./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 6ae2ee47 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-6ae2ee4-m [2023-11-22 23:32:19,304 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-22 23:32:19,381 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-22 23:32:19,384 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-22 23:32:19,385 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-22 23:32:19,407 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-22 23:32:19,408 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-22 23:32:19,408 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-22 23:32:19,409 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-22 23:32:19,412 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-22 23:32:19,412 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-22 23:32:19,412 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-22 23:32:19,413 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-22 23:32:19,414 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-22 23:32:19,414 INFO L153 SettingsManager]: * Use SBE=true [2023-11-22 23:32:19,414 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-22 23:32:19,414 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-22 23:32:19,414 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-22 23:32:19,415 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-22 23:32:19,415 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-22 23:32:19,415 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-22 23:32:19,415 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-22 23:32:19,415 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-22 23:32:19,416 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-22 23:32:19,416 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-22 23:32:19,416 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-22 23:32:19,416 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-22 23:32:19,416 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-22 23:32:19,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-22 23:32:19,417 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-22 23:32:19,417 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-22 23:32:19,418 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-22 23:32:19,418 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-22 23:32:19,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-22 23:32:19,418 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-22 23:32:19,418 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-22 23:32:19,418 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-22 23:32:19,418 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-22 23:32:19,418 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-22 23:32:19,419 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37c8a1c366adb82a8b869e1fb47fbdb5e72a3a4f1af40d95fd3c6c36b64ea913 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> false [2023-11-22 23:32:19,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-22 23:32:19,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-22 23:32:19,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-22 23:32:19,628 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-22 23:32:19,628 INFO L274 PluginConnector]: CDTParser initialized [2023-11-22 23:32:19,629 INFO L431 ainManager$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 [2023-11-22 23:32:20,614 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-22 23:32:21,056 INFO L384 CDTParser]: Found 1 translation units. [2023-11-22 23:32:21,057 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 [2023-11-22 23:32:21,085 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ceb9e452/81d68227ec634fc0aa1e10dd15efaccf/FLAG8c9bca921 [2023-11-22 23:32:21,099 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ceb9e452/81d68227ec634fc0aa1e10dd15efaccf [2023-11-22 23:32:21,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-22 23:32:21,103 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-22 23:32:21,105 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-22 23:32:21,105 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-22 23:32:21,108 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-22 23:32:21,109 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:32:21" (1/1) ... [2023-11-22 23:32:21,109 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@688080c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:21, skipping insertion in model container [2023-11-22 23:32:21,110 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:32:21" (1/1) ... [2023-11-22 23:32:21,198 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-22 23:32:21,836 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] [2023-11-22 23:32:22,452 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-22 23:32:22,488 INFO L202 MainTranslator]: Completed pre-run [2023-11-22 23:32:22,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [6233] [2023-11-22 23:32:22,624 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6236] [2023-11-22 23:32:22,624 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6239] [2023-11-22 23:32:22,624 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6242] [2023-11-22 23:32:22,633 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] [2023-11-22 23:32:22,664 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] [2023-11-22 23:32:22,813 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-22 23:32:22,860 WARN L675 CHandler]: The function __VERIFIER_nondet_u32 is called, but not defined or handled by StandardFunctionHandler. [2023-11-22 23:32:22,861 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-22 23:32:22,866 INFO L206 MainTranslator]: Completed translation [2023-11-22 23:32:22,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:22 WrapperNode [2023-11-22 23:32:22,867 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-22 23:32:22,868 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-22 23:32:22,868 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-22 23:32:22,868 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-22 23:32:22,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:22" (1/1) ... [2023-11-22 23:32:22,952 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:22" (1/1) ... [2023-11-22 23:32:23,071 INFO L138 Inliner]: procedures = 222, calls = 2983, calls flagged for inlining = 89, calls inlined = 44, statements flattened = 4489 [2023-11-22 23:32:23,072 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-22 23:32:23,073 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-22 23:32:23,073 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-22 23:32:23,073 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-22 23:32:23,080 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:22" (1/1) ... [2023-11-22 23:32:23,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:22" (1/1) ... [2023-11-22 23:32:23,113 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:22" (1/1) ... [2023-11-22 23:32:23,114 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:22" (1/1) ... [2023-11-22 23:32:23,189 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:22" (1/1) ... [2023-11-22 23:32:23,211 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:22" (1/1) ... [2023-11-22 23:32:23,237 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:22" (1/1) ... [2023-11-22 23:32:23,251 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:22" (1/1) ... [2023-11-22 23:32:23,338 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-22 23:32:23,339 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-22 23:32:23,339 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-22 23:32:23,339 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-22 23:32:23,340 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:22" (1/1) ... [2023-11-22 23:32:23,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-22 23:32:23,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 23:32:23,378 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) [2023-11-22 23:32:23,400 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 [2023-11-22 23:32:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-22 23:32:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-22 23:32:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-22 23:32:23,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-22 23:32:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure __lbtf_cleanup_and_insert_cmd [2023-11-22 23:32:23,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbtf_cleanup_and_insert_cmd [2023-11-22 23:32:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-22 23:32:23,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-22 23:32:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2023-11-22 23:32:23,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2023-11-22 23:32:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-22 23:32:23,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-22 23:32:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_tx [2023-11-22 23:32:23,418 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_tx [2023-11-22 23:32:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_get_survey [2023-11-22 23:32:23,419 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_get_survey [2023-11-22 23:32:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-22 23:32:23,419 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-22 23:32:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-22 23:32:23,419 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-22 23:32:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-22 23:32:23,419 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-22 23:32:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-22 23:32:23,420 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-22 23:32:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-22 23:32:23,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-22 23:32:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2023-11-22 23:32:23,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2023-11-22 23:32:23,421 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_beacon_set [2023-11-22 23:32:23,421 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_beacon_set [2023-11-22 23:32:23,421 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_beacon_get [2023-11-22 23:32:23,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_beacon_get [2023-11-22 23:32:23,421 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_beacon_ctrl [2023-11-22 23:32:23,422 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_beacon_ctrl [2023-11-22 23:32:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_free_adapter [2023-11-22 23:32:23,422 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_free_adapter [2023-11-22 23:32:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-22 23:32:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-22 23:32:23,422 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-22 23:32:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_set_bssid [2023-11-22 23:32:23,422 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_set_bssid [2023-11-22 23:32:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-22 23:32:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2023-11-22 23:32:23,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2023-11-22 23:32:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2023-11-22 23:32:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-22 23:32:23,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-22 23:32:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-22 23:32:23,423 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-22 23:32:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_set_mode [2023-11-22 23:32:23,423 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_set_mode [2023-11-22 23:32:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-22 23:32:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-22 23:32:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-22 23:32:23,424 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-22 23:32:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_prepare_multicast [2023-11-22 23:32:23,424 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_prepare_multicast [2023-11-22 23:32:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-22 23:32:23,425 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-22 23:32:23,425 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-22 23:32:23,426 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-22 23:32:23,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2023-11-22 23:32:23,426 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2023-11-22 23:32:23,426 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-22 23:32:23,426 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-22 23:32:23,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-22 23:32:23,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-22 23:32:23,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-22 23:32:23,427 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_bss_info_changed [2023-11-22 23:32:23,427 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_bss_info_changed [2023-11-22 23:32:23,427 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-22 23:32:23,427 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-22 23:32:23,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-22 23:32:23,427 INFO L130 BoogieDeclarations]: Found specification of procedure __lbtf_cmd_async [2023-11-22 23:32:23,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbtf_cmd_async [2023-11-22 23:32:23,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-22 23:32:23,428 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_set_radio_control [2023-11-22 23:32:23,428 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_set_radio_control [2023-11-22 23:32:23,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-22 23:32:23,428 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-22 23:32:23,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2023-11-22 23:32:23,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2023-11-22 23:32:23,428 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_config [2023-11-22 23:32:23,429 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_config [2023-11-22 23:32:23,429 INFO L130 BoogieDeclarations]: Found specification of procedure __lbtf_cmd [2023-11-22 23:32:23,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbtf_cmd [2023-11-22 23:32:23,429 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-22 23:32:23,429 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-22 23:32:23,429 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-22 23:32:23,430 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-22 23:32:23,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-22 23:32:23,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-22 23:32:23,430 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2023-11-22 23:32:23,430 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2023-11-22 23:32:23,430 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_configure_filter [2023-11-22 23:32:23,430 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_configure_filter [2023-11-22 23:32:23,430 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2023-11-22 23:32:23,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2023-11-22 23:32:23,430 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-22 23:32:23,431 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-22 23:32:23,431 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-22 23:32:23,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-22 23:32:23,431 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_set_mac_control [2023-11-22 23:32:23,431 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_set_mac_control [2023-11-22 23:32:23,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-22 23:32:23,431 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2023-11-22 23:32:23,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2023-11-22 23:32:23,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-22 23:32:23,432 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-22 23:32:23,432 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_remove_interface [2023-11-22 23:32:23,432 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_remove_interface [2023-11-22 23:32:23,432 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-22 23:32:23,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-22 23:32:23,432 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-22 23:32:23,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-22 23:32:23,433 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_cmd_async [2023-11-22 23:32:23,433 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_cmd_async [2023-11-22 23:32:23,433 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_add_interface [2023-11-22 23:32:23,434 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_add_interface [2023-11-22 23:32:23,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successfull_zalloc [2023-11-22 23:32:23,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successfull_zalloc [2023-11-22 23:32:23,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-22 23:32:23,434 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_start [2023-11-22 23:32:23,434 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_start [2023-11-22 23:32:23,434 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-11-22 23:32:23,434 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-11-22 23:32:23,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-22 23:32:23,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-22 23:32:23,435 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_cmd_set_mac_multicast_addr [2023-11-22 23:32:23,435 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_cmd_set_mac_multicast_addr [2023-11-22 23:32:23,435 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-22 23:32:23,435 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-22 23:32:23,435 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2023-11-22 23:32:23,435 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2023-11-22 23:32:23,857 INFO L241 CfgBuilder]: Building ICFG [2023-11-22 23:32:23,860 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-22 23:32:24,540 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-22 23:32:26,861 INFO L282 CfgBuilder]: Performing block encoding [2023-11-22 23:32:27,018 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-22 23:32:27,018 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-22 23:32:27,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:32:27 BoogieIcfgContainer [2023-11-22 23:32:27,019 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-22 23:32:27,021 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-22 23:32:27,021 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-22 23:32:27,023 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-22 23:32:27,023 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:32:21" (1/3) ... [2023-11-22 23:32:27,024 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d5b4abe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:32:27, skipping insertion in model container [2023-11-22 23:32:27,024 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:32:22" (2/3) ... [2023-11-22 23:32:27,024 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d5b4abe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:32:27, skipping insertion in model container [2023-11-22 23:32:27,024 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:32:27" (3/3) ... [2023-11-22 23:32:27,025 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 [2023-11-22 23:32:27,037 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-22 23:32:27,038 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-22 23:32:27,089 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-22 23:32:27,095 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;@2d89bb90, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-22 23:32:27,100 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-22 23:32:27,108 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) [2023-11-22 23:32:27,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-22 23:32:27,131 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:32:27,132 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] [2023-11-22 23:32:27,132 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:32:27,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:32:27,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1712132278, now seen corresponding path program 1 times [2023-11-22 23:32:27,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:32:27,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615332187] [2023-11-22 23:32:27,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:32:27,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:32:27,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:27,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:27,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:27,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:27,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:27,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 23:32:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:27,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:27,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:27,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:27,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 23:32:27,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:27,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:27,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:27,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:27,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-22 23:32:27,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:27,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:27,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:27,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:27,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-22 23:32:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:27,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:27,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:27,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:27,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:27,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 23:32:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:27,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:27,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:27,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-22 23:32:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:27,942 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-22 23:32:27,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:32:27,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615332187] [2023-11-22 23:32:27,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615332187] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:32:27,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 23:32:27,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-22 23:32:27,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750481046] [2023-11-22 23:32:27,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:32:27,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-22 23:32:27,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:32:27,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-22 23:32:27,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-22 23:32:27,970 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) [2023-11-22 23:32:32,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:32:32,907 INFO L93 Difference]: Finished difference Result 4486 states and 7213 transitions. [2023-11-22 23:32:32,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-22 23:32:32,909 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 [2023-11-22 23:32:32,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:32:32,946 INFO L225 Difference]: With dead ends: 4486 [2023-11-22 23:32:32,947 INFO L226 Difference]: Without dead ends: 3101 [2023-11-22 23:32:32,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-22 23:32:32,961 INFO L413 NwaCegarLoop]: 1563 mSDtfsCounter, 4507 mSDsluCounter, 3138 mSDsCounter, 0 mSdLazyCounter, 2446 mSolverCounterSat, 1848 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4712 SdHoareTripleChecker+Valid, 4701 SdHoareTripleChecker+Invalid, 4294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1848 IncrementalHoareTripleChecker+Valid, 2446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-11-22 23:32:32,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4712 Valid, 4701 Invalid, 4294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1848 Valid, 2446 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-11-22 23:32:32,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3101 states. [2023-11-22 23:32:33,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3101 to 2657. [2023-11-22 23:32:33,160 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) [2023-11-22 23:32:33,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2657 states to 2657 states and 4175 transitions. [2023-11-22 23:32:33,178 INFO L78 Accepts]: Start accepts. Automaton has 2657 states and 4175 transitions. Word has length 118 [2023-11-22 23:32:33,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:32:33,178 INFO L495 AbstractCegarLoop]: Abstraction has 2657 states and 4175 transitions. [2023-11-22 23:32:33,179 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) [2023-11-22 23:32:33,179 INFO L276 IsEmpty]: Start isEmpty. Operand 2657 states and 4175 transitions. [2023-11-22 23:32:33,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-22 23:32:33,184 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:32:33,185 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] [2023-11-22 23:32:33,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-22 23:32:33,185 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:32:33,186 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:32:33,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1459354880, now seen corresponding path program 1 times [2023-11-22 23:32:33,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:32:33,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444536966] [2023-11-22 23:32:33,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:32:33,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:32:33,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:33,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:33,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:33,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:33,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:33,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:33,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 23:32:33,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:33,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:33,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:33,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:33,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 23:32:33,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:33,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:33,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:33,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:33,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:33,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-22 23:32:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:33,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:33,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:33,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:33,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:33,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-22 23:32:33,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:33,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:33,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:33,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:33,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:33,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 23:32:33,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:33,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:33,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:33,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:33,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:33,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-22 23:32:33,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:33,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-22 23:32:33,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:33,770 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-22 23:32:33,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:32:33,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444536966] [2023-11-22 23:32:33,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444536966] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:32:33,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 23:32:33,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-22 23:32:33,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228573443] [2023-11-22 23:32:33,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:32:33,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-22 23:32:33,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:32:33,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-22 23:32:33,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-22 23:32:33,776 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) [2023-11-22 23:32:38,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:32:38,602 INFO L93 Difference]: Finished difference Result 6045 states and 9622 transitions. [2023-11-22 23:32:38,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-22 23:32:38,603 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 [2023-11-22 23:32:38,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:32:38,619 INFO L225 Difference]: With dead ends: 6045 [2023-11-22 23:32:38,619 INFO L226 Difference]: Without dead ends: 3403 [2023-11-22 23:32:38,626 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 [2023-11-22 23:32:38,627 INFO L413 NwaCegarLoop]: 1573 mSDtfsCounter, 3869 mSDsluCounter, 4222 mSDsCounter, 0 mSdLazyCounter, 3404 mSolverCounterSat, 1358 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4055 SdHoareTripleChecker+Valid, 5795 SdHoareTripleChecker+Invalid, 4762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1358 IncrementalHoareTripleChecker+Valid, 3404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-11-22 23:32:38,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4055 Valid, 5795 Invalid, 4762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1358 Valid, 3404 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-11-22 23:32:38,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3403 states. [2023-11-22 23:32:38,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3403 to 2659. [2023-11-22 23:32:38,714 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) [2023-11-22 23:32:38,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2659 states to 2659 states and 4176 transitions. [2023-11-22 23:32:38,724 INFO L78 Accepts]: Start accepts. Automaton has 2659 states and 4176 transitions. Word has length 129 [2023-11-22 23:32:38,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:32:38,726 INFO L495 AbstractCegarLoop]: Abstraction has 2659 states and 4176 transitions. [2023-11-22 23:32:38,726 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) [2023-11-22 23:32:38,727 INFO L276 IsEmpty]: Start isEmpty. Operand 2659 states and 4176 transitions. [2023-11-22 23:32:38,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-22 23:32:38,733 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:32:38,733 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] [2023-11-22 23:32:38,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-22 23:32:38,734 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:32:38,734 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:32:38,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1942835453, now seen corresponding path program 1 times [2023-11-22 23:32:38,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:32:38,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460394482] [2023-11-22 23:32:38,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:32:38,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:32:38,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:39,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:39,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:39,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:39,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:39,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:39,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 23:32:39,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:39,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:39,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:39,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 23:32:39,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:39,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:39,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:39,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-22 23:32:39,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:39,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:39,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:39,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:39,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:39,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-22 23:32:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:39,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:39,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:39,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 23:32:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:39,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:39,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:39,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:39,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-22 23:32:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:39,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-22 23:32:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:39,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-22 23:32:39,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:39,379 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-22 23:32:39,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:32:39,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460394482] [2023-11-22 23:32:39,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460394482] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:32:39,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 23:32:39,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-22 23:32:39,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302295053] [2023-11-22 23:32:39,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:32:39,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-22 23:32:39,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:32:39,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-22 23:32:39,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-22 23:32:39,392 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) [2023-11-22 23:32:44,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:32:44,178 INFO L93 Difference]: Finished difference Result 9086 states and 14463 transitions. [2023-11-22 23:32:44,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-22 23:32:44,179 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 [2023-11-22 23:32:44,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:32:44,208 INFO L225 Difference]: With dead ends: 9086 [2023-11-22 23:32:44,208 INFO L226 Difference]: Without dead ends: 6420 [2023-11-22 23:32:44,219 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 [2023-11-22 23:32:44,222 INFO L413 NwaCegarLoop]: 1535 mSDtfsCounter, 6171 mSDsluCounter, 4733 mSDsCounter, 0 mSdLazyCounter, 3996 mSolverCounterSat, 2744 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6427 SdHoareTripleChecker+Valid, 6268 SdHoareTripleChecker+Invalid, 6740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2744 IncrementalHoareTripleChecker+Valid, 3996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-22 23:32:44,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6427 Valid, 6268 Invalid, 6740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2744 Valid, 3996 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-11-22 23:32:44,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6420 states. [2023-11-22 23:32:44,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6420 to 5330. [2023-11-22 23:32:44,443 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) [2023-11-22 23:32:44,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5330 states to 5330 states and 8385 transitions. [2023-11-22 23:32:44,459 INFO L78 Accepts]: Start accepts. Automaton has 5330 states and 8385 transitions. Word has length 130 [2023-11-22 23:32:44,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:32:44,459 INFO L495 AbstractCegarLoop]: Abstraction has 5330 states and 8385 transitions. [2023-11-22 23:32:44,459 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) [2023-11-22 23:32:44,460 INFO L276 IsEmpty]: Start isEmpty. Operand 5330 states and 8385 transitions. [2023-11-22 23:32:44,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2023-11-22 23:32:44,474 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:32:44,475 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] [2023-11-22 23:32:44,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-22 23:32:44,475 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:32:44,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:32:44,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1860590203, now seen corresponding path program 1 times [2023-11-22 23:32:44,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:32:44,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001908107] [2023-11-22 23:32:44,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:32:44,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:32:44,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:44,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:44,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:44,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:44,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:44,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 23:32:44,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:44,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:44,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:44,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:44,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:44,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 23:32:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:44,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:44,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:44,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:44,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:44,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-22 23:32:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:44,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:44,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:44,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:44,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-22 23:32:44,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:44,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:44,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:44,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:44,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:44,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 23:32:44,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:44,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:44,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:44,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:44,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-22 23:32:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:44,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-22 23:32:44,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:44,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-22 23:32:44,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:44,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:44,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:44,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-22 23:32:44,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:45,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 23:32:45,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:45,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:45,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:45,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-22 23:32:45,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:45,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-22 23:32:45,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:45,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:32:45,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:45,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:45,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:45,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-11-22 23:32:45,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:45,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-11-22 23:32:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:45,097 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2023-11-22 23:32:45,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:32:45,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001908107] [2023-11-22 23:32:45,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001908107] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:32:45,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 23:32:45,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-22 23:32:45,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123317736] [2023-11-22 23:32:45,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:32:45,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-22 23:32:45,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:32:45,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-22 23:32:45,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-22 23:32:45,100 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) [2023-11-22 23:32:50,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:32:50,463 INFO L93 Difference]: Finished difference Result 12279 states and 19427 transitions. [2023-11-22 23:32:50,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-22 23:32:50,464 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 [2023-11-22 23:32:50,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:32:50,489 INFO L225 Difference]: With dead ends: 12279 [2023-11-22 23:32:50,489 INFO L226 Difference]: Without dead ends: 6964 [2023-11-22 23:32:50,501 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 [2023-11-22 23:32:50,501 INFO L413 NwaCegarLoop]: 1189 mSDtfsCounter, 3379 mSDsluCounter, 3344 mSDsCounter, 0 mSdLazyCounter, 4112 mSolverCounterSat, 1846 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3562 SdHoareTripleChecker+Valid, 4533 SdHoareTripleChecker+Invalid, 5958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1846 IncrementalHoareTripleChecker+Valid, 4112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-11-22 23:32:50,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3562 Valid, 4533 Invalid, 5958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1846 Valid, 4112 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2023-11-22 23:32:50,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6964 states. [2023-11-22 23:32:50,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6964 to 5803. [2023-11-22 23:32:50,740 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) [2023-11-22 23:32:50,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5803 states to 5803 states and 9066 transitions. [2023-11-22 23:32:50,755 INFO L78 Accepts]: Start accepts. Automaton has 5803 states and 9066 transitions. Word has length 237 [2023-11-22 23:32:50,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:32:50,757 INFO L495 AbstractCegarLoop]: Abstraction has 5803 states and 9066 transitions. [2023-11-22 23:32:50,757 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) [2023-11-22 23:32:50,757 INFO L276 IsEmpty]: Start isEmpty. Operand 5803 states and 9066 transitions. [2023-11-22 23:32:50,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2023-11-22 23:32:50,774 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:32:50,774 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] [2023-11-22 23:32:50,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-22 23:32:50,774 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:32:50,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:32:50,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1901176421, now seen corresponding path program 1 times [2023-11-22 23:32:50,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:32:50,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380933261] [2023-11-22 23:32:50,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:32:50,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:32:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:51,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:51,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:51,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:51,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:51,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:51,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 23:32:51,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:51,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:51,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:51,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:51,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 23:32:51,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:51,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:51,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:51,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:51,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-22 23:32:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:51,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:51,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:51,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:51,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-22 23:32:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:51,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:51,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:51,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:51,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 23:32:51,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:51,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:51,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:51,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:51,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:51,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-22 23:32:51,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:51,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-22 23:32:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:51,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-22 23:32:51,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:51,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:51,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:51,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:51,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-22 23:32:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:51,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:51,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:51,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:51,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-22 23:32:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:51,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-22 23:32:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:51,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:51,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:51,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-22 23:32:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:51,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 23:32:51,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:51,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:51,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:51,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-22 23:32:51,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:51,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-22 23:32:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:51,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:32:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:51,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:51,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:51,304 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2023-11-22 23:32:51,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:32:51,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380933261] [2023-11-22 23:32:51,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380933261] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:32:51,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 23:32:51,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-22 23:32:51,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510300827] [2023-11-22 23:32:51,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:32:51,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-22 23:32:51,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:32:51,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-22 23:32:51,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-22 23:32:51,306 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) [2023-11-22 23:32:56,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:32:56,590 INFO L93 Difference]: Finished difference Result 17331 states and 27413 transitions. [2023-11-22 23:32:56,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-22 23:32:56,591 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 [2023-11-22 23:32:56,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:32:56,682 INFO L225 Difference]: With dead ends: 17331 [2023-11-22 23:32:56,683 INFO L226 Difference]: Without dead ends: 11570 [2023-11-22 23:32:56,703 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 [2023-11-22 23:32:56,706 INFO L413 NwaCegarLoop]: 1215 mSDtfsCounter, 4554 mSDsluCounter, 2797 mSDsCounter, 0 mSdLazyCounter, 4976 mSolverCounterSat, 1742 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4835 SdHoareTripleChecker+Valid, 4012 SdHoareTripleChecker+Invalid, 6718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1742 IncrementalHoareTripleChecker+Valid, 4976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-11-22 23:32:56,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4835 Valid, 4012 Invalid, 6718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1742 Valid, 4976 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2023-11-22 23:32:56,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11570 states. [2023-11-22 23:32:57,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11570 to 9679. [2023-11-22 23:32:57,169 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) [2023-11-22 23:32:57,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9679 states to 9679 states and 15117 transitions. [2023-11-22 23:32:57,193 INFO L78 Accepts]: Start accepts. Automaton has 9679 states and 15117 transitions. Word has length 280 [2023-11-22 23:32:57,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:32:57,194 INFO L495 AbstractCegarLoop]: Abstraction has 9679 states and 15117 transitions. [2023-11-22 23:32:57,194 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) [2023-11-22 23:32:57,194 INFO L276 IsEmpty]: Start isEmpty. Operand 9679 states and 15117 transitions. [2023-11-22 23:32:57,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2023-11-22 23:32:57,210 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:32:57,210 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] [2023-11-22 23:32:57,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-22 23:32:57,210 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:32:57,210 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:32:57,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1026555149, now seen corresponding path program 1 times [2023-11-22 23:32:57,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:32:57,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155836244] [2023-11-22 23:32:57,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:32:57,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:32:57,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:57,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:57,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:57,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:57,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:57,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:57,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 23:32:57,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:57,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:57,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:57,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:57,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:57,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 23:32:57,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:57,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:57,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:57,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:57,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-22 23:32:57,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:57,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:57,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:57,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:57,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:57,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-22 23:32:57,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:57,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:57,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:57,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:57,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:57,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 23:32:57,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:57,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:57,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:57,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-22 23:32:57,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:57,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-22 23:32:57,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:57,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-22 23:32:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:57,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:57,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:57,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:57,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-22 23:32:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:57,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:57,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:57,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:57,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-11-22 23:32:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:57,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-22 23:32:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:57,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:57,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:57,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-22 23:32:57,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:57,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 23:32:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:57,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:32:57,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:57,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-22 23:32:57,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:57,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-22 23:32:57,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:57,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:32:57,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:57,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:32:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:32:57,692 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2023-11-22 23:32:57,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:32:57,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155836244] [2023-11-22 23:32:57,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155836244] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:32:57,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 23:32:57,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-22 23:32:57,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734068682] [2023-11-22 23:32:57,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:32:57,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-22 23:32:57,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:32:57,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-22 23:32:57,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-22 23:32:57,694 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) [2023-11-22 23:33:02,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:33:02,981 INFO L93 Difference]: Finished difference Result 16473 states and 26030 transitions. [2023-11-22 23:33:02,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-22 23:33:02,981 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 [2023-11-22 23:33:02,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:33:03,021 INFO L225 Difference]: With dead ends: 16473 [2023-11-22 23:33:03,022 INFO L226 Difference]: Without dead ends: 11563 [2023-11-22 23:33:03,038 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 [2023-11-22 23:33:03,039 INFO L413 NwaCegarLoop]: 1134 mSDtfsCounter, 1260 mSDsluCounter, 3597 mSDsCounter, 0 mSdLazyCounter, 5235 mSolverCounterSat, 399 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1416 SdHoareTripleChecker+Valid, 4731 SdHoareTripleChecker+Invalid, 5634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 399 IncrementalHoareTripleChecker+Valid, 5235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-11-22 23:33:03,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1416 Valid, 4731 Invalid, 5634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [399 Valid, 5235 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2023-11-22 23:33:03,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11563 states. [2023-11-22 23:33:03,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11563 to 9687. [2023-11-22 23:33:03,461 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) [2023-11-22 23:33:03,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9687 states to 9687 states and 15125 transitions. [2023-11-22 23:33:03,483 INFO L78 Accepts]: Start accepts. Automaton has 9687 states and 15125 transitions. Word has length 280 [2023-11-22 23:33:03,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:33:03,483 INFO L495 AbstractCegarLoop]: Abstraction has 9687 states and 15125 transitions. [2023-11-22 23:33:03,484 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) [2023-11-22 23:33:03,484 INFO L276 IsEmpty]: Start isEmpty. Operand 9687 states and 15125 transitions. [2023-11-22 23:33:03,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2023-11-22 23:33:03,498 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:33:03,498 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] [2023-11-22 23:33:03,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-22 23:33:03,498 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:33:03,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:33:03,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1961087787, now seen corresponding path program 1 times [2023-11-22 23:33:03,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:33:03,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678036511] [2023-11-22 23:33:03,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:33:03,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:33:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:04,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:04,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:04,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:04,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:04,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:04,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 23:33:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:04,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:04,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:04,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:04,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 23:33:04,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:04,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:04,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:04,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-22 23:33:04,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:04,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:04,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:04,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-22 23:33:04,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:04,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:04,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:04,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:04,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:04,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 23:33:04,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:04,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:04,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:04,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:04,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-22 23:33:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:04,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-22 23:33:04,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:04,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-22 23:33:04,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:04,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:04,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:04,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:04,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-22 23:33:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:04,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:04,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:04,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:04,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:04,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-11-22 23:33:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:04,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-22 23:33:04,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:04,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:04,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:04,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-22 23:33:04,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:04,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 23:33:04,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:04,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:04,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:04,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-22 23:33:04,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:04,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-22 23:33:04,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:04,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:33:04,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:04,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:04,647 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2023-11-22 23:33:04,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:33:04,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678036511] [2023-11-22 23:33:04,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678036511] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:33:04,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 23:33:04,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-11-22 23:33:04,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618367894] [2023-11-22 23:33:04,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:33:04,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-22 23:33:04,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:33:04,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-22 23:33:04,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2023-11-22 23:33:04,650 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) [2023-11-22 23:33:16,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:33:16,657 INFO L93 Difference]: Finished difference Result 23402 states and 36832 transitions. [2023-11-22 23:33:16,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-22 23:33:16,657 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 [2023-11-22 23:33:16,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:33:16,746 INFO L225 Difference]: With dead ends: 23402 [2023-11-22 23:33:16,746 INFO L226 Difference]: Without dead ends: 13757 [2023-11-22 23:33:16,767 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 [2023-11-22 23:33:16,768 INFO L413 NwaCegarLoop]: 427 mSDtfsCounter, 9713 mSDsluCounter, 2324 mSDsCounter, 0 mSdLazyCounter, 15640 mSolverCounterSat, 4128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10052 SdHoareTripleChecker+Valid, 2751 SdHoareTripleChecker+Invalid, 19768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4128 IncrementalHoareTripleChecker+Valid, 15640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2023-11-22 23:33:16,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10052 Valid, 2751 Invalid, 19768 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4128 Valid, 15640 Invalid, 0 Unknown, 0 Unchecked, 11.2s Time] [2023-11-22 23:33:16,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13757 states. [2023-11-22 23:33:17,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13757 to 11327. [2023-11-22 23:33:17,363 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) [2023-11-22 23:33:17,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11327 states to 11327 states and 17653 transitions. [2023-11-22 23:33:17,388 INFO L78 Accepts]: Start accepts. Automaton has 11327 states and 17653 transitions. Word has length 281 [2023-11-22 23:33:17,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:33:17,390 INFO L495 AbstractCegarLoop]: Abstraction has 11327 states and 17653 transitions. [2023-11-22 23:33:17,391 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) [2023-11-22 23:33:17,391 INFO L276 IsEmpty]: Start isEmpty. Operand 11327 states and 17653 transitions. [2023-11-22 23:33:17,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2023-11-22 23:33:17,415 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:33:17,415 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] [2023-11-22 23:33:17,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-22 23:33:17,416 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:33:17,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:33:17,416 INFO L85 PathProgramCache]: Analyzing trace with hash -2060542845, now seen corresponding path program 1 times [2023-11-22 23:33:17,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:33:17,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629718131] [2023-11-22 23:33:17,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:33:17,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:33:17,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:17,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 23:33:17,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:17,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 23:33:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-22 23:33:17,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:17,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-22 23:33:17,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:17,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:17,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 23:33:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:17,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:17,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-22 23:33:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-22 23:33:17,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-22 23:33:17,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:17,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-22 23:33:17,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:17,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:17,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-22 23:33:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-22 23:33:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-22 23:33:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:33:17,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-22 23:33:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:33:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:17,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:33:17,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:17,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-22 23:33:17,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-22 23:33:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2023-11-22 23:33:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-22 23:33:17,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-11-22 23:33:17,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-22 23:33:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-11-22 23:33:17,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:17,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:17,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2023-11-22 23:33:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:18,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:33:18,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:18,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:33:18,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:18,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:18,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:18,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:33:18,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:18,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:18,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:18,054 INFO L134 CoverageAnalysis]: Checked inductivity of 493 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2023-11-22 23:33:18,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:33:18,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629718131] [2023-11-22 23:33:18,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629718131] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:33:18,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 23:33:18,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-22 23:33:18,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143969436] [2023-11-22 23:33:18,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:33:18,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-22 23:33:18,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:33:18,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-22 23:33:18,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-22 23:33:18,057 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) [2023-11-22 23:33:23,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:33:23,125 INFO L93 Difference]: Finished difference Result 24946 states and 39204 transitions. [2023-11-22 23:33:23,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-22 23:33:23,126 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 [2023-11-22 23:33:23,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:33:23,181 INFO L225 Difference]: With dead ends: 24946 [2023-11-22 23:33:23,181 INFO L226 Difference]: Without dead ends: 13661 [2023-11-22 23:33:23,205 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 [2023-11-22 23:33:23,206 INFO L413 NwaCegarLoop]: 1236 mSDtfsCounter, 1592 mSDsluCounter, 3116 mSDsCounter, 0 mSdLazyCounter, 4526 mSolverCounterSat, 845 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1678 SdHoareTripleChecker+Valid, 4352 SdHoareTripleChecker+Invalid, 5371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 845 IncrementalHoareTripleChecker+Valid, 4526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-22 23:33:23,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1678 Valid, 4352 Invalid, 5371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [845 Valid, 4526 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-11-22 23:33:23,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13661 states. [2023-11-22 23:33:23,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13661 to 11331. [2023-11-22 23:33:23,790 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) [2023-11-22 23:33:23,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11331 states to 11331 states and 17657 transitions. [2023-11-22 23:33:23,816 INFO L78 Accepts]: Start accepts. Automaton has 11331 states and 17657 transitions. Word has length 381 [2023-11-22 23:33:23,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:33:23,817 INFO L495 AbstractCegarLoop]: Abstraction has 11331 states and 17657 transitions. [2023-11-22 23:33:23,817 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) [2023-11-22 23:33:23,817 INFO L276 IsEmpty]: Start isEmpty. Operand 11331 states and 17657 transitions. [2023-11-22 23:33:23,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2023-11-22 23:33:23,836 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:33:23,836 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] [2023-11-22 23:33:23,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-22 23:33:23,837 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:33:23,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:33:23,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1649932479, now seen corresponding path program 1 times [2023-11-22 23:33:23,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:33:23,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707332652] [2023-11-22 23:33:23,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:33:23,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:33:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:24,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:24,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 23:33:24,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:24,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 23:33:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:24,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:24,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-22 23:33:24,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:24,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-22 23:33:24,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:24,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 23:33:24,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:24,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:24,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-22 23:33:24,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-22 23:33:24,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-22 23:33:24,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:24,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-22 23:33:24,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:24,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:24,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-22 23:33:24,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-22 23:33:24,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-22 23:33:24,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:33:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-22 23:33:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:33:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:24,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:33:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-22 23:33:24,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-22 23:33:24,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2023-11-22 23:33:24,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-22 23:33:24,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-11-22 23:33:24,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-22 23:33:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-11-22 23:33:24,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2023-11-22 23:33:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:33:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:33:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:24,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:33:24,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:24,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:24,833 INFO L134 CoverageAnalysis]: Checked inductivity of 493 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 466 trivial. 0 not checked. [2023-11-22 23:33:24,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:33:24,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707332652] [2023-11-22 23:33:24,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707332652] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:33:24,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 23:33:24,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-22 23:33:24,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229628450] [2023-11-22 23:33:24,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:33:24,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-22 23:33:24,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:33:24,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-22 23:33:24,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-11-22 23:33:24,836 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) [2023-11-22 23:33:31,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:33:31,777 INFO L93 Difference]: Finished difference Result 24932 states and 39162 transitions. [2023-11-22 23:33:31,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-22 23:33:31,778 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 [2023-11-22 23:33:31,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:33:31,821 INFO L225 Difference]: With dead ends: 24932 [2023-11-22 23:33:31,822 INFO L226 Difference]: Without dead ends: 13643 [2023-11-22 23:33:31,846 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 [2023-11-22 23:33:31,847 INFO L413 NwaCegarLoop]: 1247 mSDtfsCounter, 2096 mSDsluCounter, 5879 mSDsCounter, 0 mSdLazyCounter, 5889 mSolverCounterSat, 1250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2182 SdHoareTripleChecker+Valid, 7126 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 [2023-11-22 23:33:31,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2182 Valid, 7126 Invalid, 7139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1250 Valid, 5889 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2023-11-22 23:33:31,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13643 states. [2023-11-22 23:33:32,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13643 to 11347. [2023-11-22 23:33:32,403 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) [2023-11-22 23:33:32,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11347 states to 11347 states and 17673 transitions. [2023-11-22 23:33:32,428 INFO L78 Accepts]: Start accepts. Automaton has 11347 states and 17673 transitions. Word has length 381 [2023-11-22 23:33:32,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:33:32,429 INFO L495 AbstractCegarLoop]: Abstraction has 11347 states and 17673 transitions. [2023-11-22 23:33:32,430 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) [2023-11-22 23:33:32,430 INFO L276 IsEmpty]: Start isEmpty. Operand 11347 states and 17673 transitions. [2023-11-22 23:33:32,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2023-11-22 23:33:32,446 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:33:32,446 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] [2023-11-22 23:33:32,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-22 23:33:32,447 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:33:32,447 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:33:32,447 INFO L85 PathProgramCache]: Analyzing trace with hash -367898221, now seen corresponding path program 1 times [2023-11-22 23:33:32,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:33:32,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697262153] [2023-11-22 23:33:32,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:33:32,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:33:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:32,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:32,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:32,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:32,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:32,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:32,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 23:33:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:32,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:32,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:32,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 23:33:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:32,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:32,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:32,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:32,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-22 23:33:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:32,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:32,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:32,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:32,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-22 23:33:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:32,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:32,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:32,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 23:33:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:32,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:32,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:32,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-22 23:33:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:32,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-22 23:33:32,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:32,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-22 23:33:32,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:32,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:32,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:32,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-22 23:33:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:32,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:32,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:32,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:32,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:33,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-22 23:33:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:33,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-22 23:33:33,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:33,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-22 23:33:33,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:33,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:33:33,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:33,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-22 23:33:33,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:33,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:33:33,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:33,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:33,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:33:33,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:33,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:33,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:33,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-22 23:33:33,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:33,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-22 23:33:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:33,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2023-11-22 23:33:33,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:33,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-22 23:33:33,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:33,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-11-22 23:33:33,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:33,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-22 23:33:33,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:33,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-11-22 23:33:33,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:33,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:33,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:33:33,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:33,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:33,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:33,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:33,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:33:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:33,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2023-11-22 23:33:33,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:33,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:33:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:33,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:33:33,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:33,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:33,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:33,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:33:33,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:33,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:33,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:33,256 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2023-11-22 23:33:33,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:33:33,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697262153] [2023-11-22 23:33:33,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697262153] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:33:33,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 23:33:33,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-22 23:33:33,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629376473] [2023-11-22 23:33:33,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:33:33,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-22 23:33:33,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:33:33,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-22 23:33:33,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-22 23:33:33,259 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) [2023-11-22 23:33:39,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:33:39,141 INFO L93 Difference]: Finished difference Result 25048 states and 39362 transitions. [2023-11-22 23:33:39,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-22 23:33:39,141 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 [2023-11-22 23:33:39,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:33:39,183 INFO L225 Difference]: With dead ends: 25048 [2023-11-22 23:33:39,183 INFO L226 Difference]: Without dead ends: 13743 [2023-11-22 23:33:39,209 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 [2023-11-22 23:33:39,209 INFO L413 NwaCegarLoop]: 1215 mSDtfsCounter, 2918 mSDsluCounter, 4458 mSDsCounter, 0 mSdLazyCounter, 4675 mSolverCounterSat, 1768 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3006 SdHoareTripleChecker+Valid, 5673 SdHoareTripleChecker+Invalid, 6443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1768 IncrementalHoareTripleChecker+Valid, 4675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-11-22 23:33:39,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3006 Valid, 5673 Invalid, 6443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1768 Valid, 4675 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2023-11-22 23:33:39,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13743 states. [2023-11-22 23:33:39,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13743 to 11395. [2023-11-22 23:33:39,784 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) [2023-11-22 23:33:39,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11395 states to 11395 states and 17749 transitions. [2023-11-22 23:33:39,811 INFO L78 Accepts]: Start accepts. Automaton has 11395 states and 17749 transitions. Word has length 399 [2023-11-22 23:33:39,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:33:39,812 INFO L495 AbstractCegarLoop]: Abstraction has 11395 states and 17749 transitions. [2023-11-22 23:33:39,813 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) [2023-11-22 23:33:39,813 INFO L276 IsEmpty]: Start isEmpty. Operand 11395 states and 17749 transitions. [2023-11-22 23:33:39,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2023-11-22 23:33:39,826 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:33:39,826 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] [2023-11-22 23:33:39,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-22 23:33:39,826 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:33:39,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:33:39,827 INFO L85 PathProgramCache]: Analyzing trace with hash -2106751510, now seen corresponding path program 1 times [2023-11-22 23:33:39,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:33:39,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364265213] [2023-11-22 23:33:39,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:33:39,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:33:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:40,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:40,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:40,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:40,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:40,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:40,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 23:33:40,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:40,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:40,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:40,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 23:33:40,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:40,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:40,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:40,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:40,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:40,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-22 23:33:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:40,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:40,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:40,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:40,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:40,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-22 23:33:40,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:40,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:40,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:40,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:40,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 23:33:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:40,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:40,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:40,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:40,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:40,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-22 23:33:40,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:40,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-22 23:33:40,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:40,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-22 23:33:40,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:40,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:40,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:40,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:40,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-22 23:33:40,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:40,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:40,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:40,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-22 23:33:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:40,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-22 23:33:40,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:40,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-22 23:33:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:40,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:33:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:40,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-22 23:33:40,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:40,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:33:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:40,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:40,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:33:40,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:40,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:40,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:40,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-22 23:33:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:40,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 23:33:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:40,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 23:33:40,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:40,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-22 23:33:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:41,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:33:41,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:41,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-22 23:33:41,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:41,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-22 23:33:41,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:41,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2023-11-22 23:33:41,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:41,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2023-11-22 23:33:41,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:41,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-11-22 23:33:41,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:41,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2023-11-22 23:33:41,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:41,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2023-11-22 23:33:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:41,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2023-11-22 23:33:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:41,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:41,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:41,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:33:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:41,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:41,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:41,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:41,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:33:41,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:41,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2023-11-22 23:33:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:41,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:33:41,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:41,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:33:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:41,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:41,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:41,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:33:41,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:41,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:41,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:41,204 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 559 trivial. 0 not checked. [2023-11-22 23:33:41,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:33:41,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364265213] [2023-11-22 23:33:41,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364265213] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-22 23:33:41,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464737556] [2023-11-22 23:33:41,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:33:41,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 23:33:41,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 23:33:41,236 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) [2023-11-22 23:33:41,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-22 23:33:42,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:42,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 7115 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-22 23:33:42,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-22 23:33:42,580 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2023-11-22 23:33:42,580 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-22 23:33:42,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464737556] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:33:42,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-22 23:33:42,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2023-11-22 23:33:42,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895067735] [2023-11-22 23:33:42,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:33:42,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-22 23:33:42,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:33:42,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-22 23:33:42,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2023-11-22 23:33:42,583 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) [2023-11-22 23:33:44,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:33:44,396 INFO L93 Difference]: Finished difference Result 28761 states and 44825 transitions. [2023-11-22 23:33:44,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-22 23:33:44,397 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 [2023-11-22 23:33:44,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:33:44,438 INFO L225 Difference]: With dead ends: 28761 [2023-11-22 23:33:44,438 INFO L226 Difference]: Without dead ends: 17408 [2023-11-22 23:33:44,454 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 [2023-11-22 23:33:44,455 INFO L413 NwaCegarLoop]: 3972 mSDtfsCounter, 2266 mSDsluCounter, 17478 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.1s IncrementalHoareTripleChecker+Time [2023-11-22 23:33:44,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2277 Valid, 21450 Invalid, 978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-22 23:33:44,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17408 states. [2023-11-22 23:33:44,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17408 to 11463. [2023-11-22 23:33:45,006 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) [2023-11-22 23:33:45,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11463 states to 11463 states and 17853 transitions. [2023-11-22 23:33:45,034 INFO L78 Accepts]: Start accepts. Automaton has 11463 states and 17853 transitions. Word has length 450 [2023-11-22 23:33:45,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:33:45,035 INFO L495 AbstractCegarLoop]: Abstraction has 11463 states and 17853 transitions. [2023-11-22 23:33:45,035 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) [2023-11-22 23:33:45,035 INFO L276 IsEmpty]: Start isEmpty. Operand 11463 states and 17853 transitions. [2023-11-22 23:33:45,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2023-11-22 23:33:45,050 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:33:45,051 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] [2023-11-22 23:33:45,071 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-22 23:33:45,270 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 [2023-11-22 23:33:45,271 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:33:45,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:33:45,271 INFO L85 PathProgramCache]: Analyzing trace with hash -909897768, now seen corresponding path program 1 times [2023-11-22 23:33:45,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:33:45,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245279109] [2023-11-22 23:33:45,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:33:45,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:33:45,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:46,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 23:33:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:46,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:46,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 23:33:46,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:46,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-22 23:33:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:46,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-22 23:33:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:46,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 23:33:46,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:46,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-22 23:33:46,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-22 23:33:46,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-22 23:33:46,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:46,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-22 23:33:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-22 23:33:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-22 23:33:46,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-22 23:33:46,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:33:46,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-22 23:33:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:33:46,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:46,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:33:46,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:46,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 23:33:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-22 23:33:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:33:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-22 23:33:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:33:46,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:33:46,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:46,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:33:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:46,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-22 23:33:46,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2023-11-22 23:33:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2023-11-22 23:33:46,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-11-22 23:33:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2023-11-22 23:33:46,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2023-11-22 23:33:46,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2023-11-22 23:33:46,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:46,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:33:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:46,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:46,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:33:46,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:46,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2023-11-22 23:33:46,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:47,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:33:47,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:47,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:33:47,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:47,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:47,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:47,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:33:47,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:47,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:47,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:47,034 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-22 23:33:47,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:33:47,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245279109] [2023-11-22 23:33:47,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245279109] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:33:47,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 23:33:47,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-22 23:33:47,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133597200] [2023-11-22 23:33:47,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:33:47,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-22 23:33:47,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:33:47,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-22 23:33:47,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-11-22 23:33:47,037 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) [2023-11-22 23:33:57,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:33:57,071 INFO L93 Difference]: Finished difference Result 38829 states and 61090 transitions. [2023-11-22 23:33:57,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-22 23:33:57,072 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 [2023-11-22 23:33:57,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:33:57,144 INFO L225 Difference]: With dead ends: 38829 [2023-11-22 23:33:57,144 INFO L226 Difference]: Without dead ends: 27408 [2023-11-22 23:33:57,168 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 [2023-11-22 23:33:57,169 INFO L413 NwaCegarLoop]: 1216 mSDtfsCounter, 5161 mSDsluCounter, 5641 mSDsCounter, 0 mSdLazyCounter, 7875 mSolverCounterSat, 2110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5432 SdHoareTripleChecker+Valid, 6857 SdHoareTripleChecker+Invalid, 9985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2110 IncrementalHoareTripleChecker+Valid, 7875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2023-11-22 23:33:57,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5432 Valid, 6857 Invalid, 9985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2110 Valid, 7875 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2023-11-22 23:33:57,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27408 states. [2023-11-22 23:33:58,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27408 to 22799. [2023-11-22 23:33:58,460 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) [2023-11-22 23:33:58,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22799 states to 22799 states and 35527 transitions. [2023-11-22 23:33:58,511 INFO L78 Accepts]: Start accepts. Automaton has 22799 states and 35527 transitions. Word has length 489 [2023-11-22 23:33:58,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:33:58,511 INFO L495 AbstractCegarLoop]: Abstraction has 22799 states and 35527 transitions. [2023-11-22 23:33:58,512 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) [2023-11-22 23:33:58,512 INFO L276 IsEmpty]: Start isEmpty. Operand 22799 states and 35527 transitions. [2023-11-22 23:33:58,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2023-11-22 23:33:58,537 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:33:58,537 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] [2023-11-22 23:33:58,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-22 23:33:58,537 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:33:58,538 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:33:58,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1258375899, now seen corresponding path program 1 times [2023-11-22 23:33:58,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:33:58,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464729392] [2023-11-22 23:33:58,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:33:58,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:33:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:58,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:58,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:58,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:58,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 23:33:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:58,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:58,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:58,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:58,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 23:33:58,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:58,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:58,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:58,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:58,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:58,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-22 23:33:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:58,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:58,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:58,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:58,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:58,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-22 23:33:58,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:58,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:58,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:58,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:58,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 23:33:58,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:58,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:58,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:58,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:58,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:58,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-22 23:33:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:58,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-22 23:33:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:58,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-22 23:33:58,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:58,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-22 23:33:58,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:58,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:58,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:58,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:58,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:58,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 23:33:58,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:58,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:58,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:58,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:58,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-22 23:33:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:59,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-22 23:33:59,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:59,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-22 23:33:59,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:59,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:33:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:59,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-22 23:33:59,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:59,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:33:59,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:59,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:59,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:33:59,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:59,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:59,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:59,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 23:33:59,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:59,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-22 23:33:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:59,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:33:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:59,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:59,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-22 23:33:59,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:59,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:33:59,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:59,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:33:59,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:59,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:59,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:33:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:59,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:59,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:59,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-22 23:33:59,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:59,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2023-11-22 23:33:59,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:59,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2023-11-22 23:33:59,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:59,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2023-11-22 23:33:59,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:59,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2023-11-22 23:33:59,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:59,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2023-11-22 23:33:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:59,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2023-11-22 23:33:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:59,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:59,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:33:59,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:59,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:59,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:59,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:59,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:59,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:33:59,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:59,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2023-11-22 23:33:59,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:59,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:33:59,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:59,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:33:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:59,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:33:59,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:59,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:33:59,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:59,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:33:59,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:33:59,274 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 705 trivial. 0 not checked. [2023-11-22 23:33:59,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:33:59,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464729392] [2023-11-22 23:33:59,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464729392] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:33:59,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 23:33:59,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-22 23:33:59,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459596048] [2023-11-22 23:33:59,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:33:59,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-22 23:33:59,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:33:59,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-22 23:33:59,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-22 23:33:59,277 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) [2023-11-22 23:34:04,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:34:04,671 INFO L93 Difference]: Finished difference Result 30122 states and 47010 transitions. [2023-11-22 23:34:04,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-22 23:34:04,672 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 [2023-11-22 23:34:04,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:34:04,691 INFO L225 Difference]: With dead ends: 30122 [2023-11-22 23:34:04,691 INFO L226 Difference]: Without dead ends: 7319 [2023-11-22 23:34:04,722 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 [2023-11-22 23:34:04,727 INFO L413 NwaCegarLoop]: 1206 mSDtfsCounter, 2648 mSDsluCounter, 4655 mSDsCounter, 0 mSdLazyCounter, 4755 mSolverCounterSat, 1679 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2734 SdHoareTripleChecker+Valid, 5861 SdHoareTripleChecker+Invalid, 6434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1679 IncrementalHoareTripleChecker+Valid, 4755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-11-22 23:34:04,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2734 Valid, 5861 Invalid, 6434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1679 Valid, 4755 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-11-22 23:34:04,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7319 states. [2023-11-22 23:34:04,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7319 to 5913. [2023-11-22 23:34:05,001 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) [2023-11-22 23:34:05,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5913 states to 5913 states and 9173 transitions. [2023-11-22 23:34:05,017 INFO L78 Accepts]: Start accepts. Automaton has 5913 states and 9173 transitions. Word has length 490 [2023-11-22 23:34:05,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:34:05,017 INFO L495 AbstractCegarLoop]: Abstraction has 5913 states and 9173 transitions. [2023-11-22 23:34:05,017 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) [2023-11-22 23:34:05,017 INFO L276 IsEmpty]: Start isEmpty. Operand 5913 states and 9173 transitions. [2023-11-22 23:34:05,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 508 [2023-11-22 23:34:05,025 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:34:05,026 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] [2023-11-22 23:34:05,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-22 23:34:05,026 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:34:05,026 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:34:05,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1894160776, now seen corresponding path program 1 times [2023-11-22 23:34:05,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:34:05,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564070831] [2023-11-22 23:34:05,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:34:05,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:34:05,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:05,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 23:34:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:05,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:05,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 23:34:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:05,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-22 23:34:05,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:05,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-22 23:34:05,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:05,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 23:34:05,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:05,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:05,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-22 23:34:05,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-22 23:34:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:34:05,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:05,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:05,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:34:05,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-22 23:34:05,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:05,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-11-22 23:34:05,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:05,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-22 23:34:05,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-22 23:34:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-22 23:34:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:34:05,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-22 23:34:05,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:34:05,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:34:05,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 23:34:05,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-22 23:34:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:34:05,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:05,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-22 23:34:05,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:34:05,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:34:05,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:05,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:34:05,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:05,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:05,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:06,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-22 23:34:06,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:06,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2023-11-22 23:34:06,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:06,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2023-11-22 23:34:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:06,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2023-11-22 23:34:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:06,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2023-11-22 23:34:06,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:06,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2023-11-22 23:34:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:06,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2023-11-22 23:34:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:06,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:06,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:34:06,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:06,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:06,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:06,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:06,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:34:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:06,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2023-11-22 23:34:06,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:06,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:34:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:06,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:34:06,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:06,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:06,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:06,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:34:06,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:06,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:06,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:06,124 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-22 23:34:06,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:34:06,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564070831] [2023-11-22 23:34:06,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564070831] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:34:06,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 23:34:06,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-22 23:34:06,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492014619] [2023-11-22 23:34:06,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:34:06,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-22 23:34:06,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:34:06,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-22 23:34:06,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-22 23:34:06,129 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) [2023-11-22 23:34:11,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:34:11,438 INFO L93 Difference]: Finished difference Result 12854 states and 20137 transitions. [2023-11-22 23:34:11,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-22 23:34:11,439 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 [2023-11-22 23:34:11,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:34:11,458 INFO L225 Difference]: With dead ends: 12854 [2023-11-22 23:34:11,459 INFO L226 Difference]: Without dead ends: 7074 [2023-11-22 23:34:11,471 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 [2023-11-22 23:34:11,472 INFO L413 NwaCegarLoop]: 1230 mSDtfsCounter, 3208 mSDsluCounter, 3548 mSDsCounter, 0 mSdLazyCounter, 3613 mSolverCounterSat, 2066 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 4778 SdHoareTripleChecker+Invalid, 5679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2066 IncrementalHoareTripleChecker+Valid, 3613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-11-22 23:34:11,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3309 Valid, 4778 Invalid, 5679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2066 Valid, 3613 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2023-11-22 23:34:11,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7074 states. [2023-11-22 23:34:11,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7074 to 5909. [2023-11-22 23:34:11,734 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) [2023-11-22 23:34:11,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5909 states to 5909 states and 9165 transitions. [2023-11-22 23:34:11,745 INFO L78 Accepts]: Start accepts. Automaton has 5909 states and 9165 transitions. Word has length 507 [2023-11-22 23:34:11,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:34:11,746 INFO L495 AbstractCegarLoop]: Abstraction has 5909 states and 9165 transitions. [2023-11-22 23:34:11,746 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) [2023-11-22 23:34:11,746 INFO L276 IsEmpty]: Start isEmpty. Operand 5909 states and 9165 transitions. [2023-11-22 23:34:11,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 508 [2023-11-22 23:34:11,753 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:34:11,754 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] [2023-11-22 23:34:11,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-22 23:34:11,754 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:34:11,754 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:34:11,755 INFO L85 PathProgramCache]: Analyzing trace with hash -895980428, now seen corresponding path program 1 times [2023-11-22 23:34:11,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:34:11,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159949864] [2023-11-22 23:34:11,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:34:11,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:34:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:12,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:12,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:12,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:12,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:12,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:12,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 23:34:12,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:12,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:12,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:12,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:12,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:12,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 23:34:12,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:12,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:12,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:12,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:12,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:12,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-22 23:34:12,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:12,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:12,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:12,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:12,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:12,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-22 23:34:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:12,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:12,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:12,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:12,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:12,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 23:34:12,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:12,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:12,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:12,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:12,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-22 23:34:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:12,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-22 23:34:12,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:12,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:34:12,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:12,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:12,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:12,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:12,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:34:12,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:12,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-22 23:34:12,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:12,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:12,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:12,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:12,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-11-22 23:34:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:13,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:13,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:13,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:13,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-22 23:34:13,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:13,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-22 23:34:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:13,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-22 23:34:13,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:13,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:34:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:13,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-22 23:34:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:13,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:34:13,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:13,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:13,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:34:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:13,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:13,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:13,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 23:34:13,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:13,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-22 23:34:13,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:13,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:34:13,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:13,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:13,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:13,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-22 23:34:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:13,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:34:13,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:13,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:34:13,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:13,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:13,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:34:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:13,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:13,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-22 23:34:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:13,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2023-11-22 23:34:13,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:13,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2023-11-22 23:34:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:13,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2023-11-22 23:34:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:13,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2023-11-22 23:34:13,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:13,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2023-11-22 23:34:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:13,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2023-11-22 23:34:13,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:13,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:13,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:13,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:34:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:13,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:13,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:13,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:13,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:34:13,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:13,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2023-11-22 23:34:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:13,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:34:13,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:13,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:34:13,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:13,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:13,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:13,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:34:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:13,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:13,312 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 818 trivial. 0 not checked. [2023-11-22 23:34:13,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:34:13,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159949864] [2023-11-22 23:34:13,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159949864] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-22 23:34:13,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [117726866] [2023-11-22 23:34:13,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:34:13,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 23:34:13,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 23:34:13,313 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) [2023-11-22 23:34:13,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-22 23:34:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:14,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 7472 conjuncts, 60 conjunts are in the unsatisfiable core [2023-11-22 23:34:14,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-22 23:34:14,908 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 175 proven. 3 refuted. 0 times theorem prover too weak. 644 trivial. 0 not checked. [2023-11-22 23:34:14,908 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-22 23:34:15,732 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 57 proven. 3 refuted. 0 times theorem prover too weak. 762 trivial. 0 not checked. [2023-11-22 23:34:15,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [117726866] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-22 23:34:15,732 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-22 23:34:15,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13, 11] total 29 [2023-11-22 23:34:15,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815660461] [2023-11-22 23:34:15,732 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-22 23:34:15,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-11-22 23:34:15,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:34:15,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-11-22 23:34:15,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=735, Unknown=0, NotChecked=0, Total=812 [2023-11-22 23:34:15,734 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) [2023-11-22 23:34:32,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:34:32,029 INFO L93 Difference]: Finished difference Result 12964 states and 20353 transitions. [2023-11-22 23:34:32,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-22 23:34:32,030 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 [2023-11-22 23:34:32,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:34:32,050 INFO L225 Difference]: With dead ends: 12964 [2023-11-22 23:34:32,050 INFO L226 Difference]: Without dead ends: 7089 [2023-11-22 23:34:32,066 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 [2023-11-22 23:34:32,071 INFO L413 NwaCegarLoop]: 1232 mSDtfsCounter, 1598 mSDsluCounter, 22182 mSDsCounter, 0 mSdLazyCounter, 24082 mSolverCounterSat, 859 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1688 SdHoareTripleChecker+Valid, 23414 SdHoareTripleChecker+Invalid, 24941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 859 IncrementalHoareTripleChecker+Valid, 24082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2023-11-22 23:34:32,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1688 Valid, 23414 Invalid, 24941 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [859 Valid, 24082 Invalid, 0 Unknown, 0 Unchecked, 15.4s Time] [2023-11-22 23:34:32,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7089 states. [2023-11-22 23:34:32,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7089 to 5924. [2023-11-22 23:34:32,372 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) [2023-11-22 23:34:32,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5924 states to 5924 states and 9178 transitions. [2023-11-22 23:34:32,387 INFO L78 Accepts]: Start accepts. Automaton has 5924 states and 9178 transitions. Word has length 507 [2023-11-22 23:34:32,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:34:32,388 INFO L495 AbstractCegarLoop]: Abstraction has 5924 states and 9178 transitions. [2023-11-22 23:34:32,388 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) [2023-11-22 23:34:32,389 INFO L276 IsEmpty]: Start isEmpty. Operand 5924 states and 9178 transitions. [2023-11-22 23:34:32,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2023-11-22 23:34:32,397 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:34:32,397 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] [2023-11-22 23:34:32,424 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-22 23:34:32,620 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 [2023-11-22 23:34:32,621 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:34:32,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:34:32,621 INFO L85 PathProgramCache]: Analyzing trace with hash 814331062, now seen corresponding path program 1 times [2023-11-22 23:34:32,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:34:32,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043751353] [2023-11-22 23:34:32,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:34:32,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:34:33,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:33,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:33,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:33,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:33,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:33,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:33,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 23:34:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:33,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:33,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:33,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 23:34:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:33,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:33,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:33,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:33,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-22 23:34:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:33,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:33,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:33,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:33,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:33,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-22 23:34:33,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:33,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:33,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:33,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:33,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 23:34:33,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:33,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:33,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:33,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:33,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:33,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-22 23:34:33,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-22 23:34:34,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:34:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:34,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:34,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:34:34,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-22 23:34:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:34,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:34,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-22 23:34:34,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:34,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:34,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 23:34:34,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-22 23:34:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-22 23:34:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-22 23:34:34,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-22 23:34:34,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:34:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:34:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:34,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-22 23:34:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-22 23:34:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:34:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-22 23:34:34,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:34:34,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:34:34,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:34:34,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-22 23:34:34,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2023-11-22 23:34:34,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2023-11-22 23:34:34,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2023-11-22 23:34:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2023-11-22 23:34:34,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2023-11-22 23:34:34,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2023-11-22 23:34:34,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:34:34,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:34,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:34:34,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2023-11-22 23:34:34,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2023-11-22 23:34:34,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:34,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2023-11-22 23:34:34,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:34:34,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:34:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:34,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:34:34,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:34,435 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 869 trivial. 0 not checked. [2023-11-22 23:34:34,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:34:34,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043751353] [2023-11-22 23:34:34,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043751353] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-22 23:34:34,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [651004654] [2023-11-22 23:34:34,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:34:34,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 23:34:34,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 23:34:34,437 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) [2023-11-22 23:34:34,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-22 23:34:35,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:35,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 7604 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-22 23:34:35,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-22 23:34:36,035 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 190 proven. 6 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-22 23:34:36,035 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-22 23:34:36,390 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 863 trivial. 0 not checked. [2023-11-22 23:34:36,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [651004654] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-22 23:34:36,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-22 23:34:36,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11, 7] total 17 [2023-11-22 23:34:36,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76368031] [2023-11-22 23:34:36,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:34:36,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-22 23:34:36,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:34:36,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-22 23:34:36,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2023-11-22 23:34:36,392 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) [2023-11-22 23:34:37,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:34:37,801 INFO L93 Difference]: Finished difference Result 11732 states and 18443 transitions. [2023-11-22 23:34:37,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-22 23:34:37,801 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 [2023-11-22 23:34:37,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:34:37,842 INFO L225 Difference]: With dead ends: 11732 [2023-11-22 23:34:37,843 INFO L226 Difference]: Without dead ends: 5942 [2023-11-22 23:34:37,860 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 [2023-11-22 23:34:37,870 INFO L413 NwaCegarLoop]: 2055 mSDtfsCounter, 63 mSDsluCounter, 6068 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.1s IncrementalHoareTripleChecker+Time [2023-11-22 23:34:37,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 8123 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-22 23:34:37,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5942 states. [2023-11-22 23:34:38,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5942 to 5938. [2023-11-22 23:34:38,225 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) [2023-11-22 23:34:38,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5938 states to 5938 states and 9218 transitions. [2023-11-22 23:34:38,241 INFO L78 Accepts]: Start accepts. Automaton has 5938 states and 9218 transitions. Word has length 527 [2023-11-22 23:34:38,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:34:38,241 INFO L495 AbstractCegarLoop]: Abstraction has 5938 states and 9218 transitions. [2023-11-22 23:34:38,241 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) [2023-11-22 23:34:38,242 INFO L276 IsEmpty]: Start isEmpty. Operand 5938 states and 9218 transitions. [2023-11-22 23:34:38,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2023-11-22 23:34:38,250 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:34:38,251 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] [2023-11-22 23:34:38,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-22 23:34:38,470 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 [2023-11-22 23:34:38,470 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:34:38,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:34:38,471 INFO L85 PathProgramCache]: Analyzing trace with hash 192757058, now seen corresponding path program 1 times [2023-11-22 23:34:38,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:34:38,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223098822] [2023-11-22 23:34:38,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:34:38,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:34:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 23:34:40,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:40,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:40,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 23:34:40,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:40,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:40,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-22 23:34:40,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:40,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:40,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-22 23:34:40,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:40,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 23:34:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-22 23:34:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-22 23:34:40,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:34:40,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:40,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:34:40,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-22 23:34:40,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:40,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:40,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-22 23:34:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:40,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 23:34:40,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-22 23:34:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-22 23:34:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-22 23:34:40,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-22 23:34:40,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:34:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:34:40,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-22 23:34:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-22 23:34:40,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:34:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:40,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-22 23:34:40,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:34:40,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:34:40,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:40,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:34:40,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-22 23:34:40,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:40,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2023-11-22 23:34:40,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:41,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2023-11-22 23:34:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:41,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2023-11-22 23:34:41,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:41,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2023-11-22 23:34:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:41,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2023-11-22 23:34:41,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:41,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2023-11-22 23:34:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:41,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:41,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:34:41,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:41,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:41,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:41,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:41,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:41,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:34:41,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:41,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2023-11-22 23:34:41,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:41,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2023-11-22 23:34:41,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:41,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:41,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2023-11-22 23:34:41,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:41,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:34:41,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:41,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:34:41,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:41,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:41,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:41,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:34:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:41,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:41,117 INFO L134 CoverageAnalysis]: Checked inductivity of 881 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2023-11-22 23:34:41,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:34:41,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223098822] [2023-11-22 23:34:41,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223098822] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-22 23:34:41,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1705971808] [2023-11-22 23:34:41,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:34:41,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 23:34:41,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 23:34:41,119 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) [2023-11-22 23:34:41,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-22 23:34:42,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:42,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 7738 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-22 23:34:42,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-22 23:34:42,684 INFO L134 CoverageAnalysis]: Checked inductivity of 881 backedges. 185 proven. 1 refuted. 0 times theorem prover too weak. 695 trivial. 0 not checked. [2023-11-22 23:34:42,684 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-22 23:34:43,033 INFO L134 CoverageAnalysis]: Checked inductivity of 881 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 863 trivial. 0 not checked. [2023-11-22 23:34:43,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1705971808] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-22 23:34:43,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-22 23:34:43,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [11, 5] total 15 [2023-11-22 23:34:43,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182786180] [2023-11-22 23:34:43,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:34:43,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-22 23:34:43,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:34:43,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-22 23:34:43,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2023-11-22 23:34:43,037 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) [2023-11-22 23:34:44,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:34:44,320 INFO L93 Difference]: Finished difference Result 11752 states and 18487 transitions. [2023-11-22 23:34:44,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-22 23:34:44,320 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 [2023-11-22 23:34:44,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:34:44,336 INFO L225 Difference]: With dead ends: 11752 [2023-11-22 23:34:44,337 INFO L226 Difference]: Without dead ends: 5948 [2023-11-22 23:34:44,351 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 [2023-11-22 23:34:44,351 INFO L413 NwaCegarLoop]: 2067 mSDtfsCounter, 3 mSDsluCounter, 4106 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.0s IncrementalHoareTripleChecker+Time [2023-11-22 23:34:44,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 6173 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-22 23:34:44,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5948 states. [2023-11-22 23:34:44,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5948 to 5944. [2023-11-22 23:34:44,615 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) [2023-11-22 23:34:44,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5944 states to 5944 states and 9224 transitions. [2023-11-22 23:34:44,767 INFO L78 Accepts]: Start accepts. Automaton has 5944 states and 9224 transitions. Word has length 528 [2023-11-22 23:34:44,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:34:44,768 INFO L495 AbstractCegarLoop]: Abstraction has 5944 states and 9224 transitions. [2023-11-22 23:34:44,769 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) [2023-11-22 23:34:44,769 INFO L276 IsEmpty]: Start isEmpty. Operand 5944 states and 9224 transitions. [2023-11-22 23:34:44,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 530 [2023-11-22 23:34:44,776 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:34:44,776 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] [2023-11-22 23:34:44,801 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-22 23:34:44,998 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 [2023-11-22 23:34:44,999 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:34:45,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:34:45,000 INFO L85 PathProgramCache]: Analyzing trace with hash -818426572, now seen corresponding path program 1 times [2023-11-22 23:34:45,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:34:45,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500589887] [2023-11-22 23:34:45,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:34:45,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:34:45,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:46,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 23:34:46,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:46,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 23:34:46,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:46,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-22 23:34:46,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:46,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:46,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-22 23:34:46,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:46,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 23:34:46,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:46,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:46,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-22 23:34:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-22 23:34:46,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:34:46,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:46,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:34:46,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-22 23:34:46,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:46,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-22 23:34:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:46,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:46,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 23:34:46,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-22 23:34:46,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-22 23:34:46,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-22 23:34:46,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-22 23:34:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:34:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:34:46,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:46,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-22 23:34:46,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-22 23:34:46,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:34:46,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:46,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-22 23:34:46,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:34:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:34:46,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:46,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:34:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-22 23:34:46,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2023-11-22 23:34:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2023-11-22 23:34:46,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2023-11-22 23:34:46,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2023-11-22 23:34:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2023-11-22 23:34:46,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2023-11-22 23:34:46,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:34:46,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:46,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:46,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:34:46,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2023-11-22 23:34:46,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2023-11-22 23:34:46,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:46,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2023-11-22 23:34:46,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:34:46,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:34:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:46,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:47,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:47,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:34:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:47,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:47,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:47,009 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 871 trivial. 0 not checked. [2023-11-22 23:34:47,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:34:47,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500589887] [2023-11-22 23:34:47,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500589887] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-22 23:34:47,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099988869] [2023-11-22 23:34:47,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:34:47,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 23:34:47,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 23:34:47,024 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) [2023-11-22 23:34:47,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-22 23:34:48,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:48,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 7757 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-22 23:34:48,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-22 23:34:48,601 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 611 trivial. 0 not checked. [2023-11-22 23:34:48,601 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-22 23:34:48,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2099988869] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:34:48,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-22 23:34:48,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [11] total 13 [2023-11-22 23:34:48,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264937536] [2023-11-22 23:34:48,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:34:48,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-22 23:34:48,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:34:48,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-22 23:34:48,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-11-22 23:34:48,603 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) [2023-11-22 23:34:49,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:34:49,466 INFO L93 Difference]: Finished difference Result 11778 states and 18315 transitions. [2023-11-22 23:34:49,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-22 23:34:49,467 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 [2023-11-22 23:34:49,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:34:49,485 INFO L225 Difference]: With dead ends: 11778 [2023-11-22 23:34:49,485 INFO L226 Difference]: Without dead ends: 5968 [2023-11-22 23:34:49,496 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 [2023-11-22 23:34:49,497 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, 0.6s IncrementalHoareTripleChecker+Time [2023-11-22 23:34:49,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 6073 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-22 23:34:49,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5968 states. [2023-11-22 23:34:49,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5968 to 5968. [2023-11-22 23:34:49,768 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) [2023-11-22 23:34:49,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5968 states to 5968 states and 9262 transitions. [2023-11-22 23:34:49,783 INFO L78 Accepts]: Start accepts. Automaton has 5968 states and 9262 transitions. Word has length 529 [2023-11-22 23:34:49,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:34:49,784 INFO L495 AbstractCegarLoop]: Abstraction has 5968 states and 9262 transitions. [2023-11-22 23:34:49,784 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) [2023-11-22 23:34:49,784 INFO L276 IsEmpty]: Start isEmpty. Operand 5968 states and 9262 transitions. [2023-11-22 23:34:49,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 556 [2023-11-22 23:34:49,793 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:34:49,793 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] [2023-11-22 23:34:49,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-22 23:34:50,010 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 [2023-11-22 23:34:50,011 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:34:50,011 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:34:50,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1242980870, now seen corresponding path program 1 times [2023-11-22 23:34:50,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:34:50,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528056817] [2023-11-22 23:34:50,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:34:50,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:34:50,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:50,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 23:34:50,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:50,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:50,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 23:34:50,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:50,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:50,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-22 23:34:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:50,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:50,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-22 23:34:50,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:50,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:50,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 23:34:50,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:50,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:50,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-22 23:34:50,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-22 23:34:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:34:50,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:34:50,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-22 23:34:50,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:50,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-22 23:34:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:50,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 23:34:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-22 23:34:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-22 23:34:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-22 23:34:50,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-22 23:34:50,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:34:50,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:50,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:34:50,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-22 23:34:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-22 23:34:50,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-22 23:34:50,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-22 23:34:50,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:34:50,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:50,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-22 23:34:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:34:50,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:34:50,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:50,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:34:50,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:50,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-11-22 23:34:50,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2023-11-22 23:34:50,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-11-22 23:34:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2023-11-22 23:34:50,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2023-11-22 23:34:50,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-11-22 23:34:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2023-11-22 23:34:50,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:50,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:34:50,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:50,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:34:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2023-11-22 23:34:50,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2023-11-22 23:34:50,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:50,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2023-11-22 23:34:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:34:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:34:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:50,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:34:50,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:50,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:50,809 INFO L134 CoverageAnalysis]: Checked inductivity of 890 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 873 trivial. 0 not checked. [2023-11-22 23:34:50,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:34:50,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528056817] [2023-11-22 23:34:50,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528056817] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:34:50,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 23:34:50,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-22 23:34:50,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033098674] [2023-11-22 23:34:50,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:34:50,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-22 23:34:50,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:34:50,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-22 23:34:50,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-22 23:34:50,811 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) [2023-11-22 23:34:56,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:34:56,284 INFO L93 Difference]: Finished difference Result 12991 states and 20335 transitions. [2023-11-22 23:34:56,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-22 23:34:56,285 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 [2023-11-22 23:34:56,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:34:56,305 INFO L225 Difference]: With dead ends: 12991 [2023-11-22 23:34:56,305 INFO L226 Difference]: Without dead ends: 7157 [2023-11-22 23:34:56,317 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 [2023-11-22 23:34:56,317 INFO L413 NwaCegarLoop]: 1273 mSDtfsCounter, 2649 mSDsluCounter, 3683 mSDsCounter, 0 mSdLazyCounter, 3673 mSolverCounterSat, 1659 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2742 SdHoareTripleChecker+Valid, 4956 SdHoareTripleChecker+Invalid, 5332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1659 IncrementalHoareTripleChecker+Valid, 3673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-11-22 23:34:56,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2742 Valid, 4956 Invalid, 5332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1659 Valid, 3673 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2023-11-22 23:34:56,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7157 states. [2023-11-22 23:34:56,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7157 to 5970. [2023-11-22 23:34:56,613 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) [2023-11-22 23:34:56,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5970 states to 5970 states and 9264 transitions. [2023-11-22 23:34:56,627 INFO L78 Accepts]: Start accepts. Automaton has 5970 states and 9264 transitions. Word has length 555 [2023-11-22 23:34:56,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:34:56,628 INFO L495 AbstractCegarLoop]: Abstraction has 5970 states and 9264 transitions. [2023-11-22 23:34:56,628 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) [2023-11-22 23:34:56,628 INFO L276 IsEmpty]: Start isEmpty. Operand 5970 states and 9264 transitions. [2023-11-22 23:34:56,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 557 [2023-11-22 23:34:56,636 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:34:56,636 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] [2023-11-22 23:34:56,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-22 23:34:56,637 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:34:56,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:34:56,637 INFO L85 PathProgramCache]: Analyzing trace with hash -419016290, now seen corresponding path program 1 times [2023-11-22 23:34:56,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:34:56,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346299787] [2023-11-22 23:34:56,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:34:56,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:34:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:57,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:57,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 23:34:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:57,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:57,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 23:34:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:57,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-22 23:34:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:57,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-22 23:34:57,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:57,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 23:34:57,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:57,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-22 23:34:57,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-22 23:34:57,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:34:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:57,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:34:57,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-22 23:34:57,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:57,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:57,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-22 23:34:57,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:57,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:57,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 23:34:57,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-22 23:34:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-22 23:34:57,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-22 23:34:57,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-22 23:34:57,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:34:57,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:34:57,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:57,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-22 23:34:57,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-22 23:34:57,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-22 23:34:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-22 23:34:57,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:34:57,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-11-22 23:34:57,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:34:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:34:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:57,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:34:57,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-22 23:34:57,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2023-11-22 23:34:57,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2023-11-22 23:34:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2023-11-22 23:34:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2023-11-22 23:34:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2023-11-22 23:34:57,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2023-11-22 23:34:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:34:57,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:57,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:34:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2023-11-22 23:34:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2023-11-22 23:34:57,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2023-11-22 23:34:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:34:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:34:57,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:34:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:34:57,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:34:57,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:34:57,860 INFO L134 CoverageAnalysis]: Checked inductivity of 890 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 873 trivial. 0 not checked. [2023-11-22 23:34:57,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:34:57,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346299787] [2023-11-22 23:34:57,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346299787] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:34:57,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 23:34:57,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-22 23:34:57,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315900516] [2023-11-22 23:34:57,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:34:57,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-22 23:34:57,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:34:57,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-22 23:34:57,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-22 23:34:57,862 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) [2023-11-22 23:35:02,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:35:02,657 INFO L93 Difference]: Finished difference Result 12935 states and 20237 transitions. [2023-11-22 23:35:02,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-22 23:35:02,658 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 [2023-11-22 23:35:02,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:35:02,679 INFO L225 Difference]: With dead ends: 12935 [2023-11-22 23:35:02,679 INFO L226 Difference]: Without dead ends: 7099 [2023-11-22 23:35:02,692 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 [2023-11-22 23:35:02,692 INFO L413 NwaCegarLoop]: 1238 mSDtfsCounter, 2615 mSDsluCounter, 3019 mSDsCounter, 0 mSdLazyCounter, 3346 mSolverCounterSat, 1651 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2701 SdHoareTripleChecker+Valid, 4257 SdHoareTripleChecker+Invalid, 4997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1651 IncrementalHoareTripleChecker+Valid, 3346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-22 23:35:02,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2701 Valid, 4257 Invalid, 4997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1651 Valid, 3346 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-11-22 23:35:02,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7099 states. [2023-11-22 23:35:03,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7099 to 5966. [2023-11-22 23:35:03,006 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) [2023-11-22 23:35:03,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5966 states to 5966 states and 9254 transitions. [2023-11-22 23:35:03,021 INFO L78 Accepts]: Start accepts. Automaton has 5966 states and 9254 transitions. Word has length 556 [2023-11-22 23:35:03,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:35:03,021 INFO L495 AbstractCegarLoop]: Abstraction has 5966 states and 9254 transitions. [2023-11-22 23:35:03,021 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) [2023-11-22 23:35:03,021 INFO L276 IsEmpty]: Start isEmpty. Operand 5966 states and 9254 transitions. [2023-11-22 23:35:03,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 557 [2023-11-22 23:35:03,029 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:35:03,029 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] [2023-11-22 23:35:03,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-22 23:35:03,030 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:35:03,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:35:03,030 INFO L85 PathProgramCache]: Analyzing trace with hash -2095176670, now seen corresponding path program 1 times [2023-11-22 23:35:03,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:35:03,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336007210] [2023-11-22 23:35:03,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:35:03,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:35:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:03,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:03,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 23:35:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:03,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:03,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 23:35:03,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:03,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-22 23:35:03,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-22 23:35:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:03,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:03,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 23:35:03,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:03,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:03,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-22 23:35:03,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-22 23:35:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:35:03,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:03,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:35:03,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-22 23:35:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:03,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:03,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-22 23:35:03,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 23:35:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-22 23:35:03,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-22 23:35:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-22 23:35:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-22 23:35:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:35:03,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:35:03,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-22 23:35:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-22 23:35:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-22 23:35:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-22 23:35:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:35:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:03,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-11-22 23:35:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:03,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:35:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:04,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:35:04,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:04,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:04,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:04,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:35:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:04,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:04,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-22 23:35:04,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:04,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2023-11-22 23:35:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:04,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2023-11-22 23:35:04,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:04,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2023-11-22 23:35:04,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:04,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2023-11-22 23:35:04,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:04,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2023-11-22 23:35:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:04,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2023-11-22 23:35:04,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:04,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:04,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:04,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:35:04,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:04,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:04,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:04,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:04,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:04,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:35:04,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:04,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2023-11-22 23:35:04,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:04,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2023-11-22 23:35:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:04,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:04,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2023-11-22 23:35:04,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:04,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:35:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:04,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:35:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:04,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:04,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:35:04,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:04,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:04,138 INFO L134 CoverageAnalysis]: Checked inductivity of 890 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 873 trivial. 0 not checked. [2023-11-22 23:35:04,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:35:04,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336007210] [2023-11-22 23:35:04,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336007210] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:35:04,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 23:35:04,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-22 23:35:04,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928150899] [2023-11-22 23:35:04,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:35:04,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-22 23:35:04,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:35:04,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-22 23:35:04,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-22 23:35:04,140 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) [2023-11-22 23:35:09,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:35:09,139 INFO L93 Difference]: Finished difference Result 12941 states and 20241 transitions. [2023-11-22 23:35:09,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-22 23:35:09,140 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 [2023-11-22 23:35:09,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:35:09,162 INFO L225 Difference]: With dead ends: 12941 [2023-11-22 23:35:09,162 INFO L226 Difference]: Without dead ends: 7109 [2023-11-22 23:35:09,177 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 [2023-11-22 23:35:09,178 INFO L413 NwaCegarLoop]: 1236 mSDtfsCounter, 2144 mSDsluCounter, 3002 mSDsCounter, 0 mSdLazyCounter, 3883 mSolverCounterSat, 1206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2228 SdHoareTripleChecker+Valid, 4238 SdHoareTripleChecker+Invalid, 5089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1206 IncrementalHoareTripleChecker+Valid, 3883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-11-22 23:35:09,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2228 Valid, 4238 Invalid, 5089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1206 Valid, 3883 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-11-22 23:35:09,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7109 states. [2023-11-22 23:35:09,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7109 to 5968. [2023-11-22 23:35:09,477 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) [2023-11-22 23:35:09,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5968 states to 5968 states and 9256 transitions. [2023-11-22 23:35:09,490 INFO L78 Accepts]: Start accepts. Automaton has 5968 states and 9256 transitions. Word has length 556 [2023-11-22 23:35:09,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:35:09,491 INFO L495 AbstractCegarLoop]: Abstraction has 5968 states and 9256 transitions. [2023-11-22 23:35:09,491 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) [2023-11-22 23:35:09,491 INFO L276 IsEmpty]: Start isEmpty. Operand 5968 states and 9256 transitions. [2023-11-22 23:35:09,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 558 [2023-11-22 23:35:09,499 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:35:09,499 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] [2023-11-22 23:35:09,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-22 23:35:09,499 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:35:09,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:35:09,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1375296543, now seen corresponding path program 1 times [2023-11-22 23:35:09,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:35:09,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366338443] [2023-11-22 23:35:09,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:35:09,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:35:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:11,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:11,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:11,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:11,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:11,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:11,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 23:35:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:11,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:11,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:11,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:11,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 23:35:11,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:11,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:11,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:11,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:11,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:11,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-22 23:35:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:11,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:11,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:11,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:11,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:11,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-22 23:35:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:11,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:11,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:11,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 23:35:11,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:11,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:11,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:11,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:11,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:11,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-22 23:35:11,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:11,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-22 23:35:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:11,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:35:11,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:11,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:11,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:11,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:35:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:11,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-22 23:35:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:11,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:11,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:11,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:11,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-22 23:35:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:11,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:11,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:11,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:11,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 23:35:12,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-22 23:35:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-22 23:35:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-22 23:35:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-22 23:35:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:35:12,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:35:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-22 23:35:12,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-22 23:35:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-22 23:35:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-22 23:35:12,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:35:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:12,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-22 23:35:12,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:35:12,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:35:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:35:12,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-22 23:35:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2023-11-22 23:35:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2023-11-22 23:35:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2023-11-22 23:35:12,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2023-11-22 23:35:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2023-11-22 23:35:12,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2023-11-22 23:35:12,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:35:12,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:35:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2023-11-22 23:35:12,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2023-11-22 23:35:12,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:12,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2023-11-22 23:35:12,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:35:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:35:12,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:12,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:35:12,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:12,318 INFO L134 CoverageAnalysis]: Checked inductivity of 890 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 879 trivial. 0 not checked. [2023-11-22 23:35:12,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:35:12,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366338443] [2023-11-22 23:35:12,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366338443] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-22 23:35:12,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038393635] [2023-11-22 23:35:12,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:35:12,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 23:35:12,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 23:35:12,319 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) [2023-11-22 23:35:12,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-22 23:35:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:14,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 7950 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-22 23:35:14,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-22 23:35:14,132 INFO L134 CoverageAnalysis]: Checked inductivity of 890 backedges. 283 proven. 6 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2023-11-22 23:35:14,132 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-22 23:35:14,504 INFO L134 CoverageAnalysis]: Checked inductivity of 890 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 868 trivial. 0 not checked. [2023-11-22 23:35:14,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038393635] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-22 23:35:14,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-22 23:35:14,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11, 7] total 17 [2023-11-22 23:35:14,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163618966] [2023-11-22 23:35:14,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:35:14,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-22 23:35:14,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:35:14,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-22 23:35:14,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2023-11-22 23:35:14,507 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) [2023-11-22 23:35:15,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:35:15,327 INFO L93 Difference]: Finished difference Result 11806 states and 18363 transitions. [2023-11-22 23:35:15,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-22 23:35:15,328 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 [2023-11-22 23:35:15,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:35:15,345 INFO L225 Difference]: With dead ends: 11806 [2023-11-22 23:35:15,345 INFO L226 Difference]: Without dead ends: 5972 [2023-11-22 23:35:15,357 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 [2023-11-22 23:35:15,357 INFO L413 NwaCegarLoop]: 2053 mSDtfsCounter, 1 mSDsluCounter, 6130 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2023-11-22 23:35:15,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8183 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-22 23:35:15,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5972 states. [2023-11-22 23:35:15,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5972 to 5968. [2023-11-22 23:35:15,680 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) [2023-11-22 23:35:15,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5968 states to 5968 states and 9254 transitions. [2023-11-22 23:35:15,697 INFO L78 Accepts]: Start accepts. Automaton has 5968 states and 9254 transitions. Word has length 557 [2023-11-22 23:35:15,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:35:15,698 INFO L495 AbstractCegarLoop]: Abstraction has 5968 states and 9254 transitions. [2023-11-22 23:35:15,698 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) [2023-11-22 23:35:15,698 INFO L276 IsEmpty]: Start isEmpty. Operand 5968 states and 9254 transitions. [2023-11-22 23:35:15,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 560 [2023-11-22 23:35:15,708 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:35:15,708 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] [2023-11-22 23:35:15,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-22 23:35:15,915 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 [2023-11-22 23:35:15,916 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:35:15,916 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:35:15,916 INFO L85 PathProgramCache]: Analyzing trace with hash -2044939229, now seen corresponding path program 2 times [2023-11-22 23:35:15,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:35:15,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852144805] [2023-11-22 23:35:15,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:35:15,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:35:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:18,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 23:35:18,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:18,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 23:35:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:18,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:18,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-22 23:35:18,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:18,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:18,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-22 23:35:18,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:18,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:18,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-22 23:35:18,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:18,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:18,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-22 23:35:18,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-22 23:35:18,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:35:18,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:18,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:18,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:35:18,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-22 23:35:18,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:18,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:18,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-22 23:35:18,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:18,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-22 23:35:18,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-22 23:35:18,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-22 23:35:18,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-22 23:35:18,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-22 23:35:18,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:35:18,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:35:18,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:18,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-22 23:35:18,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-22 23:35:18,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-22 23:35:18,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-22 23:35:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:35:18,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:18,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 23:35:18,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:35:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:35:18,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:18,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:35:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:18,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-11-22 23:35:18,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-11-22 23:35:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2023-11-22 23:35:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2023-11-22 23:35:18,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-11-22 23:35:18,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2023-11-22 23:35:18,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2023-11-22 23:35:18,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:18,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:35:18,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:18,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:18,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:35:18,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2023-11-22 23:35:18,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2023-11-22 23:35:18,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:18,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2023-11-22 23:35:18,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:35:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:35:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:18,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:35:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:18,874 INFO L134 CoverageAnalysis]: Checked inductivity of 896 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 885 trivial. 0 not checked. [2023-11-22 23:35:18,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:35:18,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852144805] [2023-11-22 23:35:18,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852144805] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-22 23:35:18,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766991558] [2023-11-22 23:35:18,875 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-22 23:35:18,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 23:35:18,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 23:35:18,876 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) [2023-11-22 23:35:18,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-22 23:35:21,218 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-22 23:35:21,218 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-22 23:35:21,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 8103 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-22 23:35:21,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-22 23:35:21,330 INFO L134 CoverageAnalysis]: Checked inductivity of 896 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2023-11-22 23:35:21,330 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-22 23:35:21,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766991558] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:35:21,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-22 23:35:21,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2023-11-22 23:35:21,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697377319] [2023-11-22 23:35:21,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:35:21,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-22 23:35:21,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:35:21,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-22 23:35:21,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2023-11-22 23:35:21,333 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) [2023-11-22 23:35:23,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:35:23,599 INFO L93 Difference]: Finished difference Result 11946 states and 18530 transitions. [2023-11-22 23:35:23,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-22 23:35:23,600 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 [2023-11-22 23:35:23,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:35:23,616 INFO L225 Difference]: With dead ends: 11946 [2023-11-22 23:35:23,616 INFO L226 Difference]: Without dead ends: 5968 [2023-11-22 23:35:23,627 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 [2023-11-22 23:35:23,628 INFO L413 NwaCegarLoop]: 2058 mSDtfsCounter, 2 mSDsluCounter, 10273 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s 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, 2.0s IncrementalHoareTripleChecker+Time [2023-11-22 23:35:23,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 12331 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-22 23:35:23,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5968 states. [2023-11-22 23:35:23,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5968 to 5968. [2023-11-22 23:35:23,903 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) [2023-11-22 23:35:23,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5968 states to 5968 states and 9251 transitions. [2023-11-22 23:35:23,917 INFO L78 Accepts]: Start accepts. Automaton has 5968 states and 9251 transitions. Word has length 559 [2023-11-22 23:35:23,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:35:23,918 INFO L495 AbstractCegarLoop]: Abstraction has 5968 states and 9251 transitions. [2023-11-22 23:35:23,918 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) [2023-11-22 23:35:23,918 INFO L276 IsEmpty]: Start isEmpty. Operand 5968 states and 9251 transitions. [2023-11-22 23:35:23,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 704 [2023-11-22 23:35:23,927 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:35:23,927 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] [2023-11-22 23:35:23,956 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-22 23:35:24,148 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 [2023-11-22 23:35:24,149 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:35:24,149 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:35:24,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1860283763, now seen corresponding path program 3 times [2023-11-22 23:35:24,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:35:24,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646704679] [2023-11-22 23:35:24,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:35:24,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:35:28,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:35:29,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:29,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:35:29,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-22 23:35:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-22 23:35:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:35:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:29,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:35:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-22 23:35:29,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-22 23:35:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:35:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:35:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-22 23:35:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-22 23:35:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:35:29,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:29,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:35:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-22 23:35:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-22 23:35:29,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:35:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:35:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-22 23:35:29,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-22 23:35:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:35:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:29,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:29,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:35:29,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-22 23:35:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-22 23:35:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-11-22 23:35:29,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:35:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:29,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:35:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2023-11-22 23:35:29,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:29,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:35:29,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:29,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:35:29,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-22 23:35:29,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2023-11-22 23:35:29,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:35:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:29,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:35:29,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-22 23:35:29,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2023-11-22 23:35:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-22 23:35:29,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-22 23:35:29,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-22 23:35:29,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-22 23:35:29,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:35:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:29,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:35:29,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:29,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-22 23:35:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-22 23:35:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-22 23:35:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-22 23:35:29,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:35:29,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:29,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-22 23:35:29,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:35:29,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:35:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:29,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:35:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-11-22 23:35:29,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2023-11-22 23:35:29,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2023-11-22 23:35:29,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2023-11-22 23:35:29,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2023-11-22 23:35:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2023-11-22 23:35:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2023-11-22 23:35:29,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:35:29,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:29,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:29,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:35:29,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 613 [2023-11-22 23:35:29,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2023-11-22 23:35:29,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 630 [2023-11-22 23:35:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:35:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:35:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:35:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:35:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:35:29,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:35:29,902 INFO L134 CoverageAnalysis]: Checked inductivity of 2696 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2685 trivial. 0 not checked. [2023-11-22 23:35:29,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:35:29,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646704679] [2023-11-22 23:35:29,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646704679] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-22 23:35:29,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665265440] [2023-11-22 23:35:29,903 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-22 23:35:29,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 23:35:29,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 23:35:29,904 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) [2023-11-22 23:35:29,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-22 23:35:38,118 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-11-22 23:35:38,118 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-22 23:35:38,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 7905 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-22 23:35:38,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-22 23:35:38,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2696 backedges. 590 proven. 2 refuted. 0 times theorem prover too weak. 2104 trivial. 0 not checked. [2023-11-22 23:35:38,226 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-22 23:35:38,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2696 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 2669 trivial. 0 not checked. [2023-11-22 23:35:38,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [665265440] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-22 23:35:38,748 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-22 23:35:38,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 6] total 18 [2023-11-22 23:35:38,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273652769] [2023-11-22 23:35:38,748 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-22 23:35:38,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-22 23:35:38,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:35:38,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-22 23:35:38,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2023-11-22 23:35:38,750 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) [2023-11-22 23:35:50,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:35:50,595 INFO L93 Difference]: Finished difference Result 13047 states and 20477 transitions. [2023-11-22 23:35:50,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-22 23:35:50,596 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 [2023-11-22 23:35:50,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:35:50,617 INFO L225 Difference]: With dead ends: 13047 [2023-11-22 23:35:50,617 INFO L226 Difference]: Without dead ends: 7114 [2023-11-22 23:35:50,631 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 [2023-11-22 23:35:50,631 INFO L413 NwaCegarLoop]: 1227 mSDtfsCounter, 1608 mSDsluCounter, 10993 mSDsCounter, 0 mSdLazyCounter, 12375 mSolverCounterSat, 847 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1696 SdHoareTripleChecker+Valid, 12220 SdHoareTripleChecker+Invalid, 13222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 847 IncrementalHoareTripleChecker+Valid, 12375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2023-11-22 23:35:50,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1696 Valid, 12220 Invalid, 13222 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [847 Valid, 12375 Invalid, 0 Unknown, 0 Unchecked, 11.1s Time] [2023-11-22 23:35:50,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7114 states. [2023-11-22 23:35:50,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7114 to 5983. [2023-11-22 23:35:50,947 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) [2023-11-22 23:35:50,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5983 states to 5983 states and 9288 transitions. [2023-11-22 23:35:50,961 INFO L78 Accepts]: Start accepts. Automaton has 5983 states and 9288 transitions. Word has length 703 [2023-11-22 23:35:50,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:35:50,961 INFO L495 AbstractCegarLoop]: Abstraction has 5983 states and 9288 transitions. [2023-11-22 23:35:50,962 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) [2023-11-22 23:35:50,962 INFO L276 IsEmpty]: Start isEmpty. Operand 5983 states and 9288 transitions. [2023-11-22 23:35:50,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 708 [2023-11-22 23:35:50,971 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:35:50,971 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] [2023-11-22 23:35:50,996 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-22 23:35:51,182 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 [2023-11-22 23:35:51,183 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:35:51,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:35:51,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1002256584, now seen corresponding path program 4 times [2023-11-22 23:35:51,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:35:51,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082263719] [2023-11-22 23:35:51,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:35:51,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:36:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:36:05,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:36:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:36:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:36:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:36:05,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:36:05,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-22 23:36:05,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-22 23:36:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:36:05,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:36:05,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:36:05,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:36:05,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:36:05,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-22 23:36:05,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-22 23:36:05,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:36:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:36:05,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:36:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:36:05,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:36:05,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-22 23:36:05,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-22 23:36:05,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:36:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:36:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:36:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:36:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:36:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-22 23:36:05,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-22 23:36:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:36:05,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:36:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:36:05,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:36:05,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:36:05,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-22 23:36:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-22 23:36:05,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:36:05,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:36:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:36:05,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:36:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:36:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-22 23:36:05,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-22 23:36:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-22 23:36:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:36:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:36:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:36:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:36:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-22 23:36:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:36:05,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:36:05,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:36:05,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:36:05,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:36:05,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-22 23:36:05,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-22 23:36:05,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:36:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:36:05,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:36:05,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:36:05,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:36:05,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-22 23:36:05,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-11-22 23:36:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-22 23:36:05,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 23:36:05,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-22 23:36:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-22 23:36:05,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:36:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:36:05,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:36:05,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:36:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-22 23:36:05,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-22 23:36:05,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 23:36:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-22 23:36:05,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:36:05,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:36:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-22 23:36:05,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:36:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:36:05,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:36:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:36:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:36:05,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-22 23:36:05,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2023-11-22 23:36:05,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2023-11-22 23:36:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2023-11-22 23:36:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2023-11-22 23:36:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2023-11-22 23:36:05,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-11-22 23:36:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:36:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-22 23:36:05,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:36:05,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:36:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-22 23:36:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2023-11-22 23:36:05,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 621 [2023-11-22 23:36:05,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:36:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 634 [2023-11-22 23:36:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 23:36:05,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-22 23:36:05,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:36:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-22 23:36:05,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:36:05,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:36:05,861 INFO L134 CoverageAnalysis]: Checked inductivity of 2721 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 2698 trivial. 0 not checked. [2023-11-22 23:36:05,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:36:05,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082263719] [2023-11-22 23:36:05,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082263719] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-22 23:36:05,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1448820759] [2023-11-22 23:36:05,862 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-22 23:36:05,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 23:36:05,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 23:36:05,863 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-22 23:36:05,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-22 23:36:07,835 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-22 23:36:07,836 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-22 23:36:07,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 8850 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-22 23:36:07,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-22 23:36:07,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2721 backedges. 556 proven. 21 refuted. 0 times theorem prover too weak. 2144 trivial. 0 not checked. [2023-11-22 23:36:07,957 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-22 23:36:08,499 INFO L134 CoverageAnalysis]: Checked inductivity of 2721 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 2692 trivial. 0 not checked. [2023-11-22 23:36:08,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1448820759] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-22 23:36:08,499 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-22 23:36:08,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 6] total 21 [2023-11-22 23:36:08,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060946884] [2023-11-22 23:36:08,500 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-22 23:36:08,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-22 23:36:08,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:36:08,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-22 23:36:08,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2023-11-22 23:36:08,502 INFO L87 Difference]: Start difference. First operand 5983 states and 9288 transitions. Second operand has 21 states, 20 states have (on average 20.2) internal successors, (404), 15 states have internal predecessors, (404), 4 states have call successors, (99), 8 states have call predecessors, (99), 5 states have return successors, (83), 2 states have call predecessors, (83), 4 states have call successors, (83) Killed by 15