./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/race-4_1-thread_local_vars.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a340643f 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/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/race-4_1-thread_local_vars.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a340643-m [2024-01-27 14:48:20,137 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-27 14:48:20,189 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-27 14:48:20,192 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-27 14:48:20,193 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-27 14:48:20,206 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-27 14:48:20,206 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-27 14:48:20,206 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-27 14:48:20,207 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-27 14:48:20,207 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-27 14:48:20,207 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-27 14:48:20,208 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-27 14:48:20,208 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-27 14:48:20,208 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-27 14:48:20,209 INFO L153 SettingsManager]: * Use SBE=true [2024-01-27 14:48:20,209 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-27 14:48:20,209 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-27 14:48:20,210 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-27 14:48:20,210 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-27 14:48:20,210 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-27 14:48:20,210 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-27 14:48:20,211 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-27 14:48:20,211 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-27 14:48:20,211 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-27 14:48:20,212 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-27 14:48:20,212 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-27 14:48:20,212 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-27 14:48:20,213 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-27 14:48:20,213 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-27 14:48:20,213 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-27 14:48:20,214 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-27 14:48:20,214 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-27 14:48:20,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 14:48:20,214 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-27 14:48:20,215 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-27 14:48:20,215 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-27 14:48:20,215 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-27 14:48:20,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-27 14:48:20,216 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-27 14:48:20,216 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-27 14:48:20,216 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-27 14:48:20,216 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-27 14:48:20,216 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-27 14:48:20,217 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-27 14:48:20,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-27 14:48:20,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-27 14:48:20,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-27 14:48:20,466 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-27 14:48:20,466 INFO L274 PluginConnector]: CDTParser initialized [2024-01-27 14:48:20,467 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i [2024-01-27 14:48:21,486 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-27 14:48:21,720 INFO L384 CDTParser]: Found 1 translation units. [2024-01-27 14:48:21,721 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i [2024-01-27 14:48:21,735 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea0e24905/fb4d6db7c9b0481f9bc9359638298bde/FLAGfd04e5f0a [2024-01-27 14:48:21,745 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea0e24905/fb4d6db7c9b0481f9bc9359638298bde [2024-01-27 14:48:21,747 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-27 14:48:21,748 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-27 14:48:21,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/race-4_1-thread_local_vars.yml/witness.yml [2024-01-27 14:48:21,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-27 14:48:21,828 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-27 14:48:21,831 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-27 14:48:21,831 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-27 14:48:21,835 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-27 14:48:21,835 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:48:21" (1/2) ... [2024-01-27 14:48:21,837 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ad21301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:48:21, skipping insertion in model container [2024-01-27 14:48:21,837 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:48:21" (1/2) ... [2024-01-27 14:48:21,839 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@542282fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:48:21, skipping insertion in model container [2024-01-27 14:48:21,839 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:48:21" (2/2) ... [2024-01-27 14:48:21,839 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ad21301 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:48:21, skipping insertion in model container [2024-01-27 14:48:21,839 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:48:21" (2/2) ... [2024-01-27 14:48:21,840 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-27 14:48:21,945 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-27 14:48:21,947 INFO L98 nessWitnessExtractor]: Location invariant before [L1709-L1709] (unsigned long )arg == 0UL [2024-01-27 14:48:21,947 INFO L98 nessWitnessExtractor]: Location invariant before [L1779-L1782] ldv_usb_state == 0 [2024-01-27 14:48:21,947 INFO L98 nessWitnessExtractor]: Location invariant before [L1779-L1782] pdev == 1 [2024-01-27 14:48:21,947 INFO L98 nessWitnessExtractor]: Location invariant before [L1747-L1747] (unsigned long )arg == 0UL [2024-01-27 14:48:21,947 INFO L98 nessWitnessExtractor]: Location invariant before [L1764-L1766] (unsigned long )arg == 0UL [2024-01-27 14:48:21,948 INFO L98 nessWitnessExtractor]: Location invariant before [L1755-L1755] (unsigned long )arg == 0UL [2024-01-27 14:48:21,948 INFO L98 nessWitnessExtractor]: Location invariant before [L1748-L1753] (unsigned long )arg == 0UL [2024-01-27 14:48:21,948 INFO L98 nessWitnessExtractor]: Location invariant before [L1784-L1784] pdev == 3 [2024-01-27 14:48:21,948 INFO L98 nessWitnessExtractor]: Location invariant before [L1784-L1784] ldv_usb_state == 0 [2024-01-27 14:48:21,948 INFO L98 nessWitnessExtractor]: Location invariant before [L1706-L1706] (unsigned long )arg == 0UL [2024-01-27 14:48:21,949 INFO L98 nessWitnessExtractor]: Loop invariant at [L1704-L1712] (unsigned long )arg == 0UL [2024-01-27 14:48:21,949 INFO L98 nessWitnessExtractor]: Location invariant before [L1707-L1707] (unsigned long )arg == 0UL [2024-01-27 14:48:21,949 INFO L98 nessWitnessExtractor]: Location invariant before [L1732-L1733] -128 <= error [2024-01-27 14:48:21,949 INFO L98 nessWitnessExtractor]: Location invariant before [L1732-L1733] -1 <= error [2024-01-27 14:48:21,949 INFO L98 nessWitnessExtractor]: Location invariant before [L1732-L1733] error <= 127 [2024-01-27 14:48:21,949 INFO L98 nessWitnessExtractor]: Location invariant before [L1732-L1733] error <= 0 [2024-01-27 14:48:21,949 INFO L98 nessWitnessExtractor]: Location invariant before [L1732-L1733] error == -1 || error == 0 [2024-01-27 14:48:21,949 INFO L98 nessWitnessExtractor]: Location invariant before [L1749-L1749] (unsigned long )arg == 0UL [2024-01-27 14:48:21,950 INFO L98 nessWitnessExtractor]: Location invariant before [L1778-L1778] pdev == 1 [2024-01-27 14:48:21,950 INFO L98 nessWitnessExtractor]: Location invariant before [L1778-L1778] ldv_usb_state == 0 [2024-01-27 14:48:21,950 INFO L98 nessWitnessExtractor]: Loop invariant at [L1745-L1769] (unsigned long )arg == 0UL [2024-01-27 14:48:21,950 INFO L98 nessWitnessExtractor]: Location invariant before [L1772-L1772] (unsigned long )arg == 0UL [2024-01-27 14:48:21,950 INFO L98 nessWitnessExtractor]: Location invariant before [L1746-L1768] (unsigned long )arg == 0UL [2024-01-27 14:48:21,951 INFO L98 nessWitnessExtractor]: Location invariant before [L1786-L1786] ldv_usb_state == 0 [2024-01-27 14:48:21,951 INFO L98 nessWitnessExtractor]: Location invariant before [L1786-L1786] pdev == 3 [2024-01-27 14:48:21,951 INFO L98 nessWitnessExtractor]: Location invariant before [L1760-L1760] (unsigned long )arg == 0UL [2024-01-27 14:48:21,951 INFO L98 nessWitnessExtractor]: Location invariant before [L1756-L1761] (unsigned long )arg == 0UL [2024-01-27 14:48:21,951 INFO L98 nessWitnessExtractor]: Location invariant before [L1763-L1763] (unsigned long )arg == 0UL [2024-01-27 14:48:21,951 INFO L98 nessWitnessExtractor]: Location invariant before [L1783-L1783] pdev == 1 [2024-01-27 14:48:21,952 INFO L98 nessWitnessExtractor]: Location invariant before [L1783-L1783] ldv_usb_state == 0 [2024-01-27 14:48:21,952 INFO L98 nessWitnessExtractor]: Location invariant before [L1793-L1793] (unsigned long )status == 0UL [2024-01-27 14:48:21,952 INFO L98 nessWitnessExtractor]: Location invariant before [L1759-L1759] (unsigned long )arg == 0UL [2024-01-27 14:48:21,952 INFO L98 nessWitnessExtractor]: Location invariant before [L1758-L1758] (unsigned long )arg == 0UL [2024-01-27 14:48:21,952 INFO L98 nessWitnessExtractor]: Location invariant before [L1776-L1776] pdev == 0 [2024-01-27 14:48:21,952 INFO L98 nessWitnessExtractor]: Location invariant before [L1776-L1776] ldv_usb_state == 0 [2024-01-27 14:48:21,952 INFO L98 nessWitnessExtractor]: Location invariant after [L1788-L1794] (unsigned long )status == 0UL [2024-01-27 14:48:21,953 INFO L98 nessWitnessExtractor]: Location invariant after [L1713-L1714] (unsigned long )arg == 0UL [2024-01-27 14:48:21,953 INFO L98 nessWitnessExtractor]: Location invariant before [L1693-L1693] ((((((((((0 <= pdev && 1 <= pdev) && pdev <= 3) && pdev <= 127) && expression == 1) && ldv_usb_state == 0) && pdev % 2 == 1) && pdev != 0) && (pdev == 1 || pdev == 3)) || ((0 <= expression && expression <= 1) && (expression == 0 || expression == 1))) || ((0 <= expression && expression <= 1) && (expression == 0 || expression == 1))) || ((0 <= expression && expression <= 1) && (expression == 0 || expression == 1)) [2024-01-27 14:48:21,954 INFO L98 nessWitnessExtractor]: Location invariant before [L1693-L1693] expression == 0 [2024-01-27 14:48:21,954 INFO L98 nessWitnessExtractor]: Location invariant before [L1693-L1693] expression == 1 [2024-01-27 14:48:21,954 INFO L98 nessWitnessExtractor]: Location invariant before [L1734-L1734] error == 0 [2024-01-27 14:48:21,954 INFO L98 nessWitnessExtractor]: Location invariant after [L1770-L1771] (unsigned long )arg == 0UL [2024-01-27 14:48:21,954 INFO L98 nessWitnessExtractor]: Location invariant before [L1773-L1773] (unsigned long )arg == 0UL [2024-01-27 14:48:21,954 INFO L98 nessWitnessExtractor]: Location invariant before [L1785-L1785] pdev == 3 [2024-01-27 14:48:21,976 INFO L98 nessWitnessExtractor]: Location invariant before [L1785-L1785] ldv_usb_state == 0 [2024-01-27 14:48:21,981 INFO L98 nessWitnessExtractor]: Location invariant before [L1752-L1752] (unsigned long )arg == 0UL [2024-01-27 14:48:21,981 INFO L98 nessWitnessExtractor]: Location invariant before [L1752-L1752] probe_ret == 0 [2024-01-27 14:48:21,981 INFO L98 nessWitnessExtractor]: Location invariant before [L1705-L1711] (unsigned long )arg == 0UL [2024-01-27 14:48:21,981 INFO L98 nessWitnessExtractor]: Location invariant before [L1792-L1792] (unsigned long )status == 0UL [2024-01-27 14:48:21,981 INFO L98 nessWitnessExtractor]: Location invariant before [L1777-L1777] pdev == 0 [2024-01-27 14:48:21,982 INFO L98 nessWitnessExtractor]: Location invariant before [L1777-L1777] ldv_usb_state == 0 [2024-01-27 14:48:21,982 INFO L98 nessWitnessExtractor]: Location invariant before [L1757-L1757] (unsigned long )arg == 0UL [2024-01-27 14:48:21,982 INFO L98 nessWitnessExtractor]: Location invariant before [L1750-L1751] (unsigned long )arg == 0UL [2024-01-27 14:48:21,982 INFO L98 nessWitnessExtractor]: Location invariant before [L1750-L1751] probe_ret == -1 || probe_ret == 0 [2024-01-27 14:48:21,982 INFO L98 nessWitnessExtractor]: Location invariant before [L1750-L1751] probe_ret <= 127 [2024-01-27 14:48:21,982 INFO L98 nessWitnessExtractor]: Location invariant before [L1750-L1751] -128 <= probe_ret [2024-01-27 14:48:21,982 INFO L98 nessWitnessExtractor]: Location invariant before [L1750-L1751] -1 <= probe_ret [2024-01-27 14:48:21,982 INFO L98 nessWitnessExtractor]: Location invariant before [L1750-L1751] probe_ret <= 0 [2024-01-27 14:48:21,983 INFO L98 nessWitnessExtractor]: Location invariant before [L1726-L1726] (unsigned long )status == 0UL [2024-01-27 14:48:21,983 INFO L98 nessWitnessExtractor]: Location invariant before [L1780-L1780] ldv_usb_state == 0 [2024-01-27 14:48:21,983 INFO L98 nessWitnessExtractor]: Location invariant before [L1780-L1780] pdev == 1 [2024-01-27 14:48:21,983 INFO L98 nessWitnessExtractor]: Location invariant after [L1735-L1736] error == -1 [2024-01-27 14:48:21,983 INFO L98 nessWitnessExtractor]: Location invariant before [L1743-L1743] (unsigned long )arg == 0UL [2024-01-27 14:48:21,983 INFO L98 nessWitnessExtractor]: Location invariant before [L1791-L1791] (unsigned long )status == 0UL [2024-01-27 14:48:22,035 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-27 14:48:22,455 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i[76081,76094] [2024-01-27 14:48:22,499 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 14:48:22,511 INFO L202 MainTranslator]: Completed pre-run [2024-01-27 14:48:22,555 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i[76081,76094] [2024-01-27 14:48:22,556 WARN L424 MainDispatcher]: Unable to annotate void ldv_assert(int expression) { if (!expression) { ERROR: {reach_error();abort();}}; return; } with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-27 14:48:22,610 WARN L424 MainDispatcher]: Unable to annotate void module_exit() { void *status; pthread_join(t1, &status); pthread_mutex_destroy(&mutex); pdev = 5; ldv_assert(pdev==5); } with a witness entry [2024-01-27 14:48:22,611 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 14:48:22,690 INFO L206 MainTranslator]: Completed translation [2024-01-27 14:48:22,691 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:48:22 WrapperNode [2024-01-27 14:48:22,692 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-27 14:48:22,692 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-27 14:48:22,693 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-27 14:48:22,693 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-27 14:48:22,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:48:22" (1/1) ... [2024-01-27 14:48:22,729 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:48:22" (1/1) ... [2024-01-27 14:48:22,782 INFO L138 Inliner]: procedures = 487, calls = 48, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 285 [2024-01-27 14:48:22,783 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-27 14:48:22,783 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-27 14:48:22,783 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-27 14:48:22,784 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-27 14:48:22,792 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:48:22" (1/1) ... [2024-01-27 14:48:22,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:48:22" (1/1) ... [2024-01-27 14:48:22,797 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:48:22" (1/1) ... [2024-01-27 14:48:22,812 INFO L175 MemorySlicer]: Split 19 memory accesses to 6 slices as follows [2, 3, 3, 5, 2, 4]. 26 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 1, 1, 5, 0, 0]. The 4 writes are split as follows [0, 1, 1, 0, 1, 1]. [2024-01-27 14:48:22,812 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:48:22" (1/1) ... [2024-01-27 14:48:22,813 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:48:22" (1/1) ... [2024-01-27 14:48:22,822 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:48:22" (1/1) ... [2024-01-27 14:48:22,825 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:48:22" (1/1) ... [2024-01-27 14:48:22,843 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:48:22" (1/1) ... [2024-01-27 14:48:22,856 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:48:22" (1/1) ... [2024-01-27 14:48:22,861 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-27 14:48:22,862 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-27 14:48:22,865 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-27 14:48:22,865 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-27 14:48:22,866 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:48:22" (1/1) ... [2024-01-27 14:48:22,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 14:48:22,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-27 14:48:22,899 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-27 14:48:22,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-27 14:48:22,932 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2024-01-27 14:48:22,933 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2024-01-27 14:48:22,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-27 14:48:22,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-27 14:48:22,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-27 14:48:22,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-27 14:48:22,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-27 14:48:22,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-01-27 14:48:22,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-01-27 14:48:22,934 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2024-01-27 14:48:22,934 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2024-01-27 14:48:22,935 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-27 14:48:22,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-27 14:48:22,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-01-27 14:48:22,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-01-27 14:48:22,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-01-27 14:48:22,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-01-27 14:48:22,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-01-27 14:48:22,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-01-27 14:48:22,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-27 14:48:22,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-27 14:48:22,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-27 14:48:22,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-01-27 14:48:22,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-01-27 14:48:22,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-01-27 14:48:22,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-01-27 14:48:22,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-01-27 14:48:22,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-01-27 14:48:22,938 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-27 14:48:22,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-27 14:48:22,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-27 14:48:22,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-27 14:48:22,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-27 14:48:22,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-27 14:48:22,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-01-27 14:48:22,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-27 14:48:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-27 14:48:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-27 14:48:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-27 14:48:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-27 14:48:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-01-27 14:48:22,941 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-27 14:48:23,211 INFO L244 CfgBuilder]: Building ICFG [2024-01-27 14:48:23,213 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-27 14:48:23,533 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-27 14:48:23,534 INFO L293 CfgBuilder]: Performing block encoding [2024-01-27 14:48:23,655 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-27 14:48:23,655 INFO L320 CfgBuilder]: Removed 2 assume(true) statements. [2024-01-27 14:48:23,656 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:48:23 BoogieIcfgContainer [2024-01-27 14:48:23,656 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-27 14:48:23,661 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-27 14:48:23,661 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-27 14:48:23,663 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-27 14:48:23,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 02:48:21" (1/4) ... [2024-01-27 14:48:23,664 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37769cd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:48:23, skipping insertion in model container [2024-01-27 14:48:23,664 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:48:21" (2/4) ... [2024-01-27 14:48:23,664 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37769cd9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 02:48:23, skipping insertion in model container [2024-01-27 14:48:23,664 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:48:22" (3/4) ... [2024-01-27 14:48:23,665 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37769cd9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 02:48:23, skipping insertion in model container [2024-01-27 14:48:23,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:48:23" (4/4) ... [2024-01-27 14:48:23,667 INFO L112 eAbstractionObserver]: Analyzing ICFG race-4_1-thread_local_vars.i [2024-01-27 14:48:23,707 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-27 14:48:23,707 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 66 error locations. [2024-01-27 14:48:23,707 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-27 14:48:23,787 INFO L144 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2024-01-27 14:48:23,813 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 281 places, 308 transitions, 643 flow [2024-01-27 14:48:23,908 INFO L124 PetriNetUnfolderBase]: 30/306 cut-off events. [2024-01-27 14:48:23,924 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-01-27 14:48:23,950 INFO L83 FinitePrefix]: Finished finitePrefix Result has 317 conditions, 306 events. 30/306 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 990 event pairs, 0 based on Foata normal form. 0/173 useless extension candidates. Maximal degree in co-relation 229. Up to 11 conditions per place. [2024-01-27 14:48:23,950 INFO L82 GeneralOperation]: Start removeDead. Operand has 281 places, 308 transitions, 643 flow [2024-01-27 14:48:23,955 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 190 places, 204 transitions, 424 flow [2024-01-27 14:48:23,964 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-27 14:48:23,975 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=false, 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;@1c9e81f0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-27 14:48:23,975 INFO L358 AbstractCegarLoop]: Starting to check reachability of 111 error locations. [2024-01-27 14:48:23,978 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-27 14:48:23,979 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-27 14:48:23,979 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 14:48:23,981 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:48:23,982 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-27 14:48:23,982 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread_ath9kErr0ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr1ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 108 more)] === [2024-01-27 14:48:23,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:48:23,990 INFO L85 PathProgramCache]: Analyzing trace with hash 22942, now seen corresponding path program 1 times [2024-01-27 14:48:23,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:48:23,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674344008] [2024-01-27 14:48:23,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:48:23,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:48:24,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:48:24,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:48:24,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:48:24,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674344008] [2024-01-27 14:48:24,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674344008] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:48:24,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:48:24,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 14:48:24,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351773007] [2024-01-27 14:48:24,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:48:24,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:48:24,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:48:24,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:48:24,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:48:24,274 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 308 [2024-01-27 14:48:24,277 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 204 transitions, 424 flow. Second operand has 3 states, 3 states have (on average 181.66666666666666) internal successors, (545), 3 states have internal predecessors, (545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:24,277 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:48:24,278 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 308 [2024-01-27 14:48:24,278 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:48:25,084 INFO L124 PetriNetUnfolderBase]: 3383/8786 cut-off events. [2024-01-27 14:48:25,084 INFO L125 PetriNetUnfolderBase]: For 29/29 co-relation queries the response was YES. [2024-01-27 14:48:25,100 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13712 conditions, 8786 events. 3383/8786 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 282. Compared 77778 event pairs, 1502 based on Foata normal form. 539/7318 useless extension candidates. Maximal degree in co-relation 13197. Up to 2920 conditions per place. [2024-01-27 14:48:25,137 INFO L140 encePairwiseOnDemand]: 283/308 looper letters, 92 selfloop transitions, 5 changer transitions 1/210 dead transitions. [2024-01-27 14:48:25,137 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 210 transitions, 630 flow [2024-01-27 14:48:25,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:48:25,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:48:25,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 663 transitions. [2024-01-27 14:48:25,153 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7175324675324676 [2024-01-27 14:48:25,154 INFO L175 Difference]: Start difference. First operand has 190 places, 204 transitions, 424 flow. Second operand 3 states and 663 transitions. [2024-01-27 14:48:25,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 210 transitions, 630 flow [2024-01-27 14:48:25,160 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 210 transitions, 626 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 14:48:25,164 INFO L231 Difference]: Finished difference. Result has 183 places, 188 transitions, 418 flow [2024-01-27 14:48:25,166 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=308, PETRI_DIFFERENCE_MINUEND_FLOW=386, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=418, PETRI_PLACES=183, PETRI_TRANSITIONS=188} [2024-01-27 14:48:25,170 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, -7 predicate places. [2024-01-27 14:48:25,170 INFO L495 AbstractCegarLoop]: Abstraction has has 183 places, 188 transitions, 418 flow [2024-01-27 14:48:25,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 181.66666666666666) internal successors, (545), 3 states have internal predecessors, (545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:25,170 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:48:25,171 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-27 14:48:25,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-27 14:48:25,171 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread_ath9kErr0ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr1ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 108 more)] === [2024-01-27 14:48:25,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:48:25,172 INFO L85 PathProgramCache]: Analyzing trace with hash 711948, now seen corresponding path program 1 times [2024-01-27 14:48:25,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:48:25,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393679302] [2024-01-27 14:48:25,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:48:25,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:48:25,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:48:25,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:48:25,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:48:25,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393679302] [2024-01-27 14:48:25,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393679302] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:48:25,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:48:25,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 14:48:25,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527389715] [2024-01-27 14:48:25,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:48:25,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:48:25,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:48:25,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:48:25,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:48:25,283 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 308 [2024-01-27 14:48:25,285 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 188 transitions, 418 flow. Second operand has 3 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:25,285 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:48:25,285 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 308 [2024-01-27 14:48:25,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:48:25,931 INFO L124 PetriNetUnfolderBase]: 3030/7884 cut-off events. [2024-01-27 14:48:25,932 INFO L125 PetriNetUnfolderBase]: For 347/347 co-relation queries the response was YES. [2024-01-27 14:48:25,946 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12755 conditions, 7884 events. 3030/7884 cut-off events. For 347/347 co-relation queries the response was YES. Maximal size of possible extension queue 286. Compared 69820 event pairs, 2380 based on Foata normal form. 0/6212 useless extension candidates. Maximal degree in co-relation 6460. Up to 4322 conditions per place. [2024-01-27 14:48:25,980 INFO L140 encePairwiseOnDemand]: 304/308 looper letters, 65 selfloop transitions, 2 changer transitions 0/186 dead transitions. [2024-01-27 14:48:25,980 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 186 transitions, 548 flow [2024-01-27 14:48:25,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:48:25,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:48:25,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 663 transitions. [2024-01-27 14:48:25,982 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7175324675324676 [2024-01-27 14:48:25,982 INFO L175 Difference]: Start difference. First operand has 183 places, 188 transitions, 418 flow. Second operand 3 states and 663 transitions. [2024-01-27 14:48:25,982 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 186 transitions, 548 flow [2024-01-27 14:48:25,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 186 transitions, 538 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 14:48:25,989 INFO L231 Difference]: Finished difference. Result has 180 places, 186 transitions, 408 flow [2024-01-27 14:48:25,989 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=308, PETRI_DIFFERENCE_MINUEND_FLOW=404, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=408, PETRI_PLACES=180, PETRI_TRANSITIONS=186} [2024-01-27 14:48:25,990 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, -10 predicate places. [2024-01-27 14:48:25,990 INFO L495 AbstractCegarLoop]: Abstraction has has 180 places, 186 transitions, 408 flow [2024-01-27 14:48:25,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:25,991 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:48:25,991 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:48:25,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-27 14:48:25,991 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT === [thread_ath9kErr0ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr1ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 108 more)] === [2024-01-27 14:48:25,992 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:48:25,992 INFO L85 PathProgramCache]: Analyzing trace with hash 389849544, now seen corresponding path program 1 times [2024-01-27 14:48:25,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:48:25,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517855620] [2024-01-27 14:48:25,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:48:25,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:48:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:48:26,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:48:26,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:48:26,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517855620] [2024-01-27 14:48:26,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517855620] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:48:26,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:48:26,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-27 14:48:26,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807992471] [2024-01-27 14:48:26,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:48:26,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:48:26,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:48:26,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:48:26,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:48:26,048 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 308 [2024-01-27 14:48:26,049 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 186 transitions, 408 flow. Second operand has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:26,049 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:48:26,049 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 308 [2024-01-27 14:48:26,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:48:26,946 INFO L124 PetriNetUnfolderBase]: 4637/11959 cut-off events. [2024-01-27 14:48:26,946 INFO L125 PetriNetUnfolderBase]: For 149/149 co-relation queries the response was YES. [2024-01-27 14:48:26,962 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19074 conditions, 11959 events. 4637/11959 cut-off events. For 149/149 co-relation queries the response was YES. Maximal size of possible extension queue 352. Compared 104966 event pairs, 1321 based on Foata normal form. 0/9437 useless extension candidates. Maximal degree in co-relation 19058. Up to 4354 conditions per place. [2024-01-27 14:48:26,991 INFO L140 encePairwiseOnDemand]: 299/308 looper letters, 98 selfloop transitions, 5 changer transitions 0/218 dead transitions. [2024-01-27 14:48:26,991 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 218 transitions, 691 flow [2024-01-27 14:48:26,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:48:26,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:48:26,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 695 transitions. [2024-01-27 14:48:26,993 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7521645021645021 [2024-01-27 14:48:26,994 INFO L175 Difference]: Start difference. First operand has 180 places, 186 transitions, 408 flow. Second operand 3 states and 695 transitions. [2024-01-27 14:48:26,996 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 218 transitions, 691 flow [2024-01-27 14:48:26,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 218 transitions, 687 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 14:48:27,001 INFO L231 Difference]: Finished difference. Result has 177 places, 185 transitions, 423 flow [2024-01-27 14:48:27,001 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=308, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=423, PETRI_PLACES=177, PETRI_TRANSITIONS=185} [2024-01-27 14:48:27,003 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, -13 predicate places. [2024-01-27 14:48:27,003 INFO L495 AbstractCegarLoop]: Abstraction has has 177 places, 185 transitions, 423 flow [2024-01-27 14:48:27,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:27,004 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:48:27,004 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:48:27,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-27 14:48:27,004 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr1ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 108 more)] === [2024-01-27 14:48:27,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:48:27,005 INFO L85 PathProgramCache]: Analyzing trace with hash 983284175, now seen corresponding path program 1 times [2024-01-27 14:48:27,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:48:27,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301671306] [2024-01-27 14:48:27,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:48:27,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:48:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:48:27,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:48:27,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:48:27,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301671306] [2024-01-27 14:48:27,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301671306] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:48:27,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:48:27,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-01-27 14:48:27,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402167577] [2024-01-27 14:48:27,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:48:27,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 14:48:27,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:48:27,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 14:48:27,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 14:48:27,137 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 308 [2024-01-27 14:48:27,138 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 185 transitions, 423 flow. Second operand has 4 states, 4 states have (on average 191.25) internal successors, (765), 4 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:27,138 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:48:27,138 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 308 [2024-01-27 14:48:27,138 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:48:28,046 INFO L124 PetriNetUnfolderBase]: 4663/11992 cut-off events. [2024-01-27 14:48:28,047 INFO L125 PetriNetUnfolderBase]: For 311/347 co-relation queries the response was YES. [2024-01-27 14:48:28,073 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19652 conditions, 11992 events. 4663/11992 cut-off events. For 311/347 co-relation queries the response was YES. Maximal size of possible extension queue 352. Compared 105234 event pairs, 1325 based on Foata normal form. 12/9479 useless extension candidates. Maximal degree in co-relation 7596. Up to 4379 conditions per place. [2024-01-27 14:48:28,116 INFO L140 encePairwiseOnDemand]: 295/308 looper letters, 106 selfloop transitions, 11 changer transitions 1/225 dead transitions. [2024-01-27 14:48:28,117 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 225 transitions, 754 flow [2024-01-27 14:48:28,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-27 14:48:28,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-01-27 14:48:28,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1070 transitions. [2024-01-27 14:48:28,119 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6948051948051948 [2024-01-27 14:48:28,120 INFO L175 Difference]: Start difference. First operand has 177 places, 185 transitions, 423 flow. Second operand 5 states and 1070 transitions. [2024-01-27 14:48:28,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 225 transitions, 754 flow [2024-01-27 14:48:28,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 225 transitions, 749 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-27 14:48:28,124 INFO L231 Difference]: Finished difference. Result has 176 places, 181 transitions, 432 flow [2024-01-27 14:48:28,124 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=308, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=432, PETRI_PLACES=176, PETRI_TRANSITIONS=181} [2024-01-27 14:48:28,125 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, -14 predicate places. [2024-01-27 14:48:28,125 INFO L495 AbstractCegarLoop]: Abstraction has has 176 places, 181 transitions, 432 flow [2024-01-27 14:48:28,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 191.25) internal successors, (765), 4 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:28,126 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:48:28,126 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:48:28,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-27 14:48:28,126 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT === [thread_ath9kErr0ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr1ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 108 more)] === [2024-01-27 14:48:28,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:48:28,127 INFO L85 PathProgramCache]: Analyzing trace with hash -179782835, now seen corresponding path program 1 times [2024-01-27 14:48:28,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:48:28,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888315522] [2024-01-27 14:48:28,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:48:28,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:48:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:48:28,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:48:28,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:48:28,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888315522] [2024-01-27 14:48:28,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888315522] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:48:28,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:48:28,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-27 14:48:28,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944239941] [2024-01-27 14:48:28,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:48:28,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:48:28,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:48:28,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:48:28,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:48:28,179 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 308 [2024-01-27 14:48:28,180 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 181 transitions, 432 flow. Second operand has 3 states, 3 states have (on average 200.33333333333334) internal successors, (601), 3 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:28,180 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:48:28,180 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 308 [2024-01-27 14:48:28,180 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:48:28,883 INFO L124 PetriNetUnfolderBase]: 4637/11910 cut-off events. [2024-01-27 14:48:28,883 INFO L125 PetriNetUnfolderBase]: For 500/536 co-relation queries the response was YES. [2024-01-27 14:48:28,908 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19541 conditions, 11910 events. 4637/11910 cut-off events. For 500/536 co-relation queries the response was YES. Maximal size of possible extension queue 346. Compared 104281 event pairs, 3621 based on Foata normal form. 2/9389 useless extension candidates. Maximal degree in co-relation 7597. Up to 6587 conditions per place. [2024-01-27 14:48:28,947 INFO L140 encePairwiseOnDemand]: 304/308 looper letters, 65 selfloop transitions, 0 changer transitions 9/178 dead transitions. [2024-01-27 14:48:28,947 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 178 transitions, 566 flow [2024-01-27 14:48:28,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:48:28,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:48:28,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 661 transitions. [2024-01-27 14:48:28,949 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7153679653679653 [2024-01-27 14:48:28,949 INFO L175 Difference]: Start difference. First operand has 176 places, 181 transitions, 432 flow. Second operand 3 states and 661 transitions. [2024-01-27 14:48:28,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 178 transitions, 566 flow [2024-01-27 14:48:28,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 178 transitions, 546 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-01-27 14:48:28,952 INFO L231 Difference]: Finished difference. Result has 171 places, 169 transitions, 386 flow [2024-01-27 14:48:28,953 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=308, PETRI_DIFFERENCE_MINUEND_FLOW=406, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=386, PETRI_PLACES=171, PETRI_TRANSITIONS=169} [2024-01-27 14:48:28,953 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, -19 predicate places. [2024-01-27 14:48:28,953 INFO L495 AbstractCegarLoop]: Abstraction has has 171 places, 169 transitions, 386 flow [2024-01-27 14:48:28,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 200.33333333333334) internal successors, (601), 3 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:28,954 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:48:28,954 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:48:28,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-27 14:48:28,954 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread_usbErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread_ath9kErr0ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr1ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 108 more)] === [2024-01-27 14:48:28,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:48:28,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1243568967, now seen corresponding path program 1 times [2024-01-27 14:48:28,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:48:28,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406664325] [2024-01-27 14:48:28,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:48:28,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:48:28,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:48:29,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:48:29,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:48:29,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406664325] [2024-01-27 14:48:29,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406664325] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:48:29,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:48:29,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 14:48:29,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934565067] [2024-01-27 14:48:29,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:48:29,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 14:48:29,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:48:29,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 14:48:29,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 14:48:29,070 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 308 [2024-01-27 14:48:29,071 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 169 transitions, 386 flow. Second operand has 4 states, 4 states have (on average 187.75) internal successors, (751), 4 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:29,071 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:48:29,071 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 308 [2024-01-27 14:48:29,071 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:48:29,653 INFO L124 PetriNetUnfolderBase]: 4489/10765 cut-off events. [2024-01-27 14:48:29,653 INFO L125 PetriNetUnfolderBase]: For 164/170 co-relation queries the response was YES. [2024-01-27 14:48:29,674 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17932 conditions, 10765 events. 4489/10765 cut-off events. For 164/170 co-relation queries the response was YES. Maximal size of possible extension queue 279. Compared 88305 event pairs, 1679 based on Foata normal form. 888/9548 useless extension candidates. Maximal degree in co-relation 17926. Up to 6350 conditions per place. [2024-01-27 14:48:29,707 INFO L140 encePairwiseOnDemand]: 286/308 looper letters, 65 selfloop transitions, 2 changer transitions 0/154 dead transitions. [2024-01-27 14:48:29,707 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 154 transitions, 490 flow [2024-01-27 14:48:29,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-27 14:48:29,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-27 14:48:29,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 825 transitions. [2024-01-27 14:48:29,709 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6696428571428571 [2024-01-27 14:48:29,709 INFO L175 Difference]: Start difference. First operand has 171 places, 169 transitions, 386 flow. Second operand 4 states and 825 transitions. [2024-01-27 14:48:29,709 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 154 transitions, 490 flow [2024-01-27 14:48:29,711 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 154 transitions, 490 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-01-27 14:48:29,712 INFO L231 Difference]: Finished difference. Result has 144 places, 149 transitions, 350 flow [2024-01-27 14:48:29,712 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=308, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=350, PETRI_PLACES=144, PETRI_TRANSITIONS=149} [2024-01-27 14:48:29,713 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, -46 predicate places. [2024-01-27 14:48:29,713 INFO L495 AbstractCegarLoop]: Abstraction has has 144 places, 149 transitions, 350 flow [2024-01-27 14:48:29,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 187.75) internal successors, (751), 4 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:29,714 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:48:29,714 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:48:29,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-27 14:48:29,714 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread_usbErr6ASSERT_VIOLATIONWITNESS_INVARIANT === [thread_ath9kErr0ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr1ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 108 more)] === [2024-01-27 14:48:29,714 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:48:29,714 INFO L85 PathProgramCache]: Analyzing trace with hash -225870301, now seen corresponding path program 1 times [2024-01-27 14:48:29,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:48:29,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178982403] [2024-01-27 14:48:29,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:48:29,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:48:29,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:48:29,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:48:29,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:48:29,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178982403] [2024-01-27 14:48:29,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178982403] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:48:29,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:48:29,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 14:48:29,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185646986] [2024-01-27 14:48:29,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:48:29,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 14:48:29,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:48:29,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 14:48:29,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 14:48:29,792 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 308 [2024-01-27 14:48:29,793 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 149 transitions, 350 flow. Second operand has 4 states, 4 states have (on average 204.0) internal successors, (816), 4 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:29,793 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:48:29,794 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 308 [2024-01-27 14:48:29,794 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:48:31,398 INFO L124 PetriNetUnfolderBase]: 9612/23573 cut-off events. [2024-01-27 14:48:31,398 INFO L125 PetriNetUnfolderBase]: For 540/540 co-relation queries the response was YES. [2024-01-27 14:48:31,438 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38789 conditions, 23573 events. 9612/23573 cut-off events. For 540/540 co-relation queries the response was YES. Maximal size of possible extension queue 395. Compared 220409 event pairs, 4772 based on Foata normal form. 660/19905 useless extension candidates. Maximal degree in co-relation 38782. Up to 8157 conditions per place. [2024-01-27 14:48:31,507 INFO L140 encePairwiseOnDemand]: 298/308 looper letters, 126 selfloop transitions, 4 changer transitions 0/212 dead transitions. [2024-01-27 14:48:31,507 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 212 transitions, 759 flow [2024-01-27 14:48:31,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-27 14:48:31,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-27 14:48:31,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 931 transitions. [2024-01-27 14:48:31,510 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7556818181818182 [2024-01-27 14:48:31,510 INFO L175 Difference]: Start difference. First operand has 144 places, 149 transitions, 350 flow. Second operand 4 states and 931 transitions. [2024-01-27 14:48:31,510 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 212 transitions, 759 flow [2024-01-27 14:48:31,513 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 212 transitions, 756 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 14:48:31,515 INFO L231 Difference]: Finished difference. Result has 147 places, 152 transitions, 385 flow [2024-01-27 14:48:31,515 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=308, PETRI_DIFFERENCE_MINUEND_FLOW=347, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=385, PETRI_PLACES=147, PETRI_TRANSITIONS=152} [2024-01-27 14:48:31,515 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, -43 predicate places. [2024-01-27 14:48:31,516 INFO L495 AbstractCegarLoop]: Abstraction has has 147 places, 152 transitions, 385 flow [2024-01-27 14:48:31,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 204.0) internal successors, (816), 4 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:31,516 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:48:31,516 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:48:31,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-27 14:48:31,517 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread_ath9kErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread_ath9kErr0ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr1ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 108 more)] === [2024-01-27 14:48:31,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:48:31,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1588042865, now seen corresponding path program 1 times [2024-01-27 14:48:31,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:48:31,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163272079] [2024-01-27 14:48:31,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:48:31,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:48:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:48:31,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:48:31,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:48:31,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163272079] [2024-01-27 14:48:31,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163272079] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:48:31,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:48:31,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 14:48:31,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827477534] [2024-01-27 14:48:31,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:48:31,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 14:48:31,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:48:31,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 14:48:31,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 14:48:31,710 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 308 [2024-01-27 14:48:31,711 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 152 transitions, 385 flow. Second operand has 4 states, 4 states have (on average 203.25) internal successors, (813), 4 states have internal predecessors, (813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:31,711 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:48:31,711 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 308 [2024-01-27 14:48:31,711 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:48:33,415 INFO L124 PetriNetUnfolderBase]: 9348/23173 cut-off events. [2024-01-27 14:48:33,415 INFO L125 PetriNetUnfolderBase]: For 1262/1262 co-relation queries the response was YES. [2024-01-27 14:48:33,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39380 conditions, 23173 events. 9348/23173 cut-off events. For 1262/1262 co-relation queries the response was YES. Maximal size of possible extension queue 316. Compared 209147 event pairs, 3035 based on Foata normal form. 700/19713 useless extension candidates. Maximal degree in co-relation 39371. Up to 11275 conditions per place. [2024-01-27 14:48:33,520 INFO L140 encePairwiseOnDemand]: 300/308 looper letters, 121 selfloop transitions, 3 changer transitions 2/207 dead transitions. [2024-01-27 14:48:33,520 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 207 transitions, 792 flow [2024-01-27 14:48:33,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-27 14:48:33,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-27 14:48:33,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 919 transitions. [2024-01-27 14:48:33,522 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7459415584415584 [2024-01-27 14:48:33,522 INFO L175 Difference]: Start difference. First operand has 147 places, 152 transitions, 385 flow. Second operand 4 states and 919 transitions. [2024-01-27 14:48:33,522 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 207 transitions, 792 flow [2024-01-27 14:48:33,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 207 transitions, 786 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-27 14:48:33,533 INFO L231 Difference]: Finished difference. Result has 143 places, 147 transitions, 382 flow [2024-01-27 14:48:33,533 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=308, PETRI_DIFFERENCE_MINUEND_FLOW=371, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=382, PETRI_PLACES=143, PETRI_TRANSITIONS=147} [2024-01-27 14:48:33,533 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, -47 predicate places. [2024-01-27 14:48:33,534 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 147 transitions, 382 flow [2024-01-27 14:48:33,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 203.25) internal successors, (813), 4 states have internal predecessors, (813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:33,534 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:48:33,534 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:48:33,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-01-27 14:48:33,535 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread_usbErr6ASSERT_VIOLATIONWITNESS_INVARIANT === [thread_ath9kErr0ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr1ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 108 more)] === [2024-01-27 14:48:33,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:48:33,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1984774510, now seen corresponding path program 1 times [2024-01-27 14:48:33,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:48:33,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862650043] [2024-01-27 14:48:33,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:48:33,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:48:33,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:48:33,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:48:33,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:48:33,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862650043] [2024-01-27 14:48:33,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862650043] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:48:33,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:48:33,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 14:48:33,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827629450] [2024-01-27 14:48:33,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:48:33,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 14:48:33,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:48:33,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 14:48:33,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 14:48:33,607 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 308 [2024-01-27 14:48:33,608 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 147 transitions, 382 flow. Second operand has 4 states, 4 states have (on average 203.5) internal successors, (814), 4 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:33,608 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:48:33,608 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 308 [2024-01-27 14:48:33,608 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:48:35,006 INFO L124 PetriNetUnfolderBase]: 8247/20179 cut-off events. [2024-01-27 14:48:35,006 INFO L125 PetriNetUnfolderBase]: For 2091/2097 co-relation queries the response was YES. [2024-01-27 14:48:35,056 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34771 conditions, 20179 events. 8247/20179 cut-off events. For 2091/2097 co-relation queries the response was YES. Maximal size of possible extension queue 312. Compared 180709 event pairs, 3664 based on Foata normal form. 720/17344 useless extension candidates. Maximal degree in co-relation 34762. Up to 6319 conditions per place. [2024-01-27 14:48:35,106 INFO L140 encePairwiseOnDemand]: 297/308 looper letters, 122 selfloop transitions, 4 changer transitions 0/201 dead transitions. [2024-01-27 14:48:35,106 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 201 transitions, 757 flow [2024-01-27 14:48:35,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-27 14:48:35,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-27 14:48:35,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 922 transitions. [2024-01-27 14:48:35,108 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7483766233766234 [2024-01-27 14:48:35,108 INFO L175 Difference]: Start difference. First operand has 143 places, 147 transitions, 382 flow. Second operand 4 states and 922 transitions. [2024-01-27 14:48:35,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 201 transitions, 757 flow [2024-01-27 14:48:35,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 201 transitions, 754 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-27 14:48:35,122 INFO L231 Difference]: Finished difference. Result has 141 places, 142 transitions, 379 flow [2024-01-27 14:48:35,122 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=308, PETRI_DIFFERENCE_MINUEND_FLOW=357, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=379, PETRI_PLACES=141, PETRI_TRANSITIONS=142} [2024-01-27 14:48:35,123 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, -49 predicate places. [2024-01-27 14:48:35,123 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 142 transitions, 379 flow [2024-01-27 14:48:35,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 203.5) internal successors, (814), 4 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:35,123 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:48:35,124 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:48:35,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-01-27 14:48:35,124 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread_usbErr33ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr1ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 108 more)] === [2024-01-27 14:48:35,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:48:35,124 INFO L85 PathProgramCache]: Analyzing trace with hash 492841806, now seen corresponding path program 1 times [2024-01-27 14:48:35,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:48:35,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001754953] [2024-01-27 14:48:35,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:48:35,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:48:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:48:35,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:48:35,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:48:35,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001754953] [2024-01-27 14:48:35,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001754953] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:48:35,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:48:35,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-01-27 14:48:35,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826852181] [2024-01-27 14:48:35,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:48:35,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 14:48:35,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:48:35,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 14:48:35,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 14:48:35,217 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 308 [2024-01-27 14:48:35,218 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 142 transitions, 379 flow. Second operand has 4 states, 4 states have (on average 200.75) internal successors, (803), 4 states have internal predecessors, (803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:35,218 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:48:35,218 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 308 [2024-01-27 14:48:35,218 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:48:37,333 INFO L124 PetriNetUnfolderBase]: 10286/22369 cut-off events. [2024-01-27 14:48:37,333 INFO L125 PetriNetUnfolderBase]: For 3548/3548 co-relation queries the response was YES. [2024-01-27 14:48:37,389 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41183 conditions, 22369 events. 10286/22369 cut-off events. For 3548/3548 co-relation queries the response was YES. Maximal size of possible extension queue 344. Compared 189147 event pairs, 6298 based on Foata normal form. 0/18721 useless extension candidates. Maximal degree in co-relation 41171. Up to 11452 conditions per place. [2024-01-27 14:48:37,440 INFO L140 encePairwiseOnDemand]: 299/308 looper letters, 120 selfloop transitions, 11 changer transitions 0/199 dead transitions. [2024-01-27 14:48:37,441 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 199 transitions, 762 flow [2024-01-27 14:48:37,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-27 14:48:37,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-01-27 14:48:37,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1105 transitions. [2024-01-27 14:48:37,443 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7175324675324676 [2024-01-27 14:48:37,443 INFO L175 Difference]: Start difference. First operand has 141 places, 142 transitions, 379 flow. Second operand 5 states and 1105 transitions. [2024-01-27 14:48:37,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 199 transitions, 762 flow [2024-01-27 14:48:37,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 199 transitions, 756 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-01-27 14:48:37,458 INFO L231 Difference]: Finished difference. Result has 148 places, 148 transitions, 447 flow [2024-01-27 14:48:37,459 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=308, PETRI_DIFFERENCE_MINUEND_FLOW=373, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=447, PETRI_PLACES=148, PETRI_TRANSITIONS=148} [2024-01-27 14:48:37,459 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, -42 predicate places. [2024-01-27 14:48:37,459 INFO L495 AbstractCegarLoop]: Abstraction has has 148 places, 148 transitions, 447 flow [2024-01-27 14:48:37,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 200.75) internal successors, (803), 4 states have internal predecessors, (803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:37,460 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:48:37,460 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:48:37,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-01-27 14:48:37,460 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread_usbErr12ASSERT_VIOLATIONWITNESS_INVARIANT === [thread_ath9kErr0ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr1ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 108 more)] === [2024-01-27 14:48:37,461 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:48:37,461 INFO L85 PathProgramCache]: Analyzing trace with hash -913197212, now seen corresponding path program 1 times [2024-01-27 14:48:37,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:48:37,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715865219] [2024-01-27 14:48:37,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:48:37,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:48:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:48:37,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:48:37,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:48:37,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715865219] [2024-01-27 14:48:37,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715865219] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:48:37,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:48:37,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 14:48:37,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457487798] [2024-01-27 14:48:37,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:48:37,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 14:48:37,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:48:37,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 14:48:37,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 14:48:37,524 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 308 [2024-01-27 14:48:37,525 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 148 transitions, 447 flow. Second operand has 4 states, 4 states have (on average 204.5) internal successors, (818), 4 states have internal predecessors, (818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:37,525 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:48:37,526 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 308 [2024-01-27 14:48:37,526 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:48:39,343 INFO L124 PetriNetUnfolderBase]: 8914/19866 cut-off events. [2024-01-27 14:48:39,344 INFO L125 PetriNetUnfolderBase]: For 5770/5926 co-relation queries the response was YES. [2024-01-27 14:48:39,394 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39389 conditions, 19866 events. 8914/19866 cut-off events. For 5770/5926 co-relation queries the response was YES. Maximal size of possible extension queue 390. Compared 171218 event pairs, 5267 based on Foata normal form. 408/18158 useless extension candidates. Maximal degree in co-relation 39374. Up to 8957 conditions per place. [2024-01-27 14:48:39,438 INFO L140 encePairwiseOnDemand]: 301/308 looper letters, 139 selfloop transitions, 4 changer transitions 0/214 dead transitions. [2024-01-27 14:48:39,439 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 214 transitions, 920 flow [2024-01-27 14:48:39,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-27 14:48:39,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-01-27 14:48:39,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1128 transitions. [2024-01-27 14:48:39,441 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7324675324675325 [2024-01-27 14:48:39,441 INFO L175 Difference]: Start difference. First operand has 148 places, 148 transitions, 447 flow. Second operand 5 states and 1128 transitions. [2024-01-27 14:48:39,441 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 214 transitions, 920 flow [2024-01-27 14:48:39,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 214 transitions, 907 flow, removed 5 selfloop flow, removed 1 redundant places. [2024-01-27 14:48:39,480 INFO L231 Difference]: Finished difference. Result has 153 places, 149 transitions, 460 flow [2024-01-27 14:48:39,480 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=308, PETRI_DIFFERENCE_MINUEND_FLOW=434, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=460, PETRI_PLACES=153, PETRI_TRANSITIONS=149} [2024-01-27 14:48:39,481 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, -37 predicate places. [2024-01-27 14:48:39,481 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 149 transitions, 460 flow [2024-01-27 14:48:39,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 204.5) internal successors, (818), 4 states have internal predecessors, (818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:39,481 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:48:39,481 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:48:39,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-01-27 14:48:39,482 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread_usbErr13ASSERT_VIOLATIONWITNESS_INVARIANT === [thread_ath9kErr0ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr1ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 108 more)] === [2024-01-27 14:48:39,482 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:48:39,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1755658484, now seen corresponding path program 1 times [2024-01-27 14:48:39,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:48:39,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091289733] [2024-01-27 14:48:39,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:48:39,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:48:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:48:39,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:48:39,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:48:39,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091289733] [2024-01-27 14:48:39,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091289733] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:48:39,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:48:39,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 14:48:39,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018187641] [2024-01-27 14:48:39,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:48:39,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 14:48:39,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:48:39,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 14:48:39,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 14:48:39,546 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 308 [2024-01-27 14:48:39,547 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 149 transitions, 460 flow. Second operand has 4 states, 4 states have (on average 202.5) internal successors, (810), 4 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:39,547 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:48:39,547 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 308 [2024-01-27 14:48:39,547 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:48:41,192 INFO L124 PetriNetUnfolderBase]: 9502/20949 cut-off events. [2024-01-27 14:48:41,192 INFO L125 PetriNetUnfolderBase]: For 6552/6684 co-relation queries the response was YES. [2024-01-27 14:48:41,255 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42249 conditions, 20949 events. 9502/20949 cut-off events. For 6552/6684 co-relation queries the response was YES. Maximal size of possible extension queue 370. Compared 176920 event pairs, 1034 based on Foata normal form. 504/19493 useless extension candidates. Maximal degree in co-relation 42233. Up to 10404 conditions per place. [2024-01-27 14:48:41,305 INFO L140 encePairwiseOnDemand]: 302/308 looper letters, 142 selfloop transitions, 7 changer transitions 1/219 dead transitions. [2024-01-27 14:48:41,306 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 219 transitions, 954 flow [2024-01-27 14:48:41,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-27 14:48:41,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-01-27 14:48:41,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1128 transitions. [2024-01-27 14:48:41,308 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7324675324675325 [2024-01-27 14:48:41,308 INFO L175 Difference]: Start difference. First operand has 153 places, 149 transitions, 460 flow. Second operand 5 states and 1128 transitions. [2024-01-27 14:48:41,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 219 transitions, 954 flow [2024-01-27 14:48:41,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 219 transitions, 948 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 14:48:41,350 INFO L231 Difference]: Finished difference. Result has 153 places, 149 transitions, 484 flow [2024-01-27 14:48:41,351 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=308, PETRI_DIFFERENCE_MINUEND_FLOW=439, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=484, PETRI_PLACES=153, PETRI_TRANSITIONS=149} [2024-01-27 14:48:41,352 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, -37 predicate places. [2024-01-27 14:48:41,352 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 149 transitions, 484 flow [2024-01-27 14:48:41,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 202.5) internal successors, (810), 4 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:41,353 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:48:41,353 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:48:41,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-01-27 14:48:41,353 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread_usbErr12ASSERT_VIOLATIONWITNESS_INVARIANT === [thread_ath9kErr0ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr1ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 108 more)] === [2024-01-27 14:48:41,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:48:41,353 INFO L85 PathProgramCache]: Analyzing trace with hash 167905438, now seen corresponding path program 1 times [2024-01-27 14:48:41,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:48:41,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701991763] [2024-01-27 14:48:41,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:48:41,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:48:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:48:41,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:48:41,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:48:41,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701991763] [2024-01-27 14:48:41,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701991763] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:48:41,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:48:41,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 14:48:41,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144658470] [2024-01-27 14:48:41,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:48:41,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 14:48:41,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:48:41,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 14:48:41,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 14:48:41,571 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 308 [2024-01-27 14:48:41,572 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 149 transitions, 484 flow. Second operand has 4 states, 4 states have (on average 202.0) internal successors, (808), 4 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:41,572 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:48:41,572 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 308 [2024-01-27 14:48:41,572 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:48:43,312 INFO L124 PetriNetUnfolderBase]: 8478/18989 cut-off events. [2024-01-27 14:48:43,312 INFO L125 PetriNetUnfolderBase]: For 6836/7070 co-relation queries the response was YES. [2024-01-27 14:48:43,349 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39070 conditions, 18989 events. 8478/18989 cut-off events. For 6836/7070 co-relation queries the response was YES. Maximal size of possible extension queue 371. Compared 161162 event pairs, 2388 based on Foata normal form. 576/17481 useless extension candidates. Maximal degree in co-relation 39053. Up to 5716 conditions per place. [2024-01-27 14:48:43,386 INFO L140 encePairwiseOnDemand]: 300/308 looper letters, 148 selfloop transitions, 5 changer transitions 0/221 dead transitions. [2024-01-27 14:48:43,386 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 221 transitions, 992 flow [2024-01-27 14:48:43,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-27 14:48:43,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-01-27 14:48:43,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1126 transitions. [2024-01-27 14:48:43,388 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7311688311688311 [2024-01-27 14:48:43,388 INFO L175 Difference]: Start difference. First operand has 153 places, 149 transitions, 484 flow. Second operand 5 states and 1126 transitions. [2024-01-27 14:48:43,388 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 221 transitions, 992 flow [2024-01-27 14:48:43,412 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 221 transitions, 992 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-01-27 14:48:43,414 INFO L231 Difference]: Finished difference. Result has 155 places, 146 transitions, 491 flow [2024-01-27 14:48:43,414 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=308, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=491, PETRI_PLACES=155, PETRI_TRANSITIONS=146} [2024-01-27 14:48:43,414 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, -35 predicate places. [2024-01-27 14:48:43,415 INFO L495 AbstractCegarLoop]: Abstraction has has 155 places, 146 transitions, 491 flow [2024-01-27 14:48:43,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 202.0) internal successors, (808), 4 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:43,415 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:48:43,415 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:48:43,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-01-27 14:48:43,415 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread_ath9kErr4ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr1ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 108 more)] === [2024-01-27 14:48:43,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:48:43,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1476709696, now seen corresponding path program 1 times [2024-01-27 14:48:43,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:48:43,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968195567] [2024-01-27 14:48:43,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:48:43,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:48:43,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:48:43,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:48:43,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:48:43,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968195567] [2024-01-27 14:48:43,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968195567] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:48:43,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:48:43,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 14:48:43,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736253801] [2024-01-27 14:48:43,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:48:43,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:48:43,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:48:43,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:48:43,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:48:43,476 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 308 [2024-01-27 14:48:43,477 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 146 transitions, 491 flow. Second operand has 3 states, 3 states have (on average 211.0) internal successors, (633), 3 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:43,477 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:48:43,477 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 308 [2024-01-27 14:48:43,477 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:48:44,867 INFO L124 PetriNetUnfolderBase]: 7828/16956 cut-off events. [2024-01-27 14:48:44,868 INFO L125 PetriNetUnfolderBase]: For 11002/11188 co-relation queries the response was YES. [2024-01-27 14:48:45,096 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36755 conditions, 16956 events. 7828/16956 cut-off events. For 11002/11188 co-relation queries the response was YES. Maximal size of possible extension queue 307. Compared 137737 event pairs, 5532 based on Foata normal form. 36/15132 useless extension candidates. Maximal degree in co-relation 36736. Up to 10150 conditions per place. [2024-01-27 14:48:45,135 INFO L140 encePairwiseOnDemand]: 305/308 looper letters, 104 selfloop transitions, 5 changer transitions 2/180 dead transitions. [2024-01-27 14:48:45,135 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 180 transitions, 865 flow [2024-01-27 14:48:45,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:48:45,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:48:45,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 702 transitions. [2024-01-27 14:48:45,137 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7597402597402597 [2024-01-27 14:48:45,137 INFO L175 Difference]: Start difference. First operand has 155 places, 146 transitions, 491 flow. Second operand 3 states and 702 transitions. [2024-01-27 14:48:45,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 180 transitions, 865 flow [2024-01-27 14:48:45,160 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 180 transitions, 844 flow, removed 4 selfloop flow, removed 2 redundant places. [2024-01-27 14:48:45,162 INFO L231 Difference]: Finished difference. Result has 153 places, 143 transitions, 484 flow [2024-01-27 14:48:45,162 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=308, PETRI_DIFFERENCE_MINUEND_FLOW=476, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=484, PETRI_PLACES=153, PETRI_TRANSITIONS=143} [2024-01-27 14:48:45,162 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, -37 predicate places. [2024-01-27 14:48:45,163 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 143 transitions, 484 flow [2024-01-27 14:48:45,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 211.0) internal successors, (633), 3 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:45,163 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:48:45,163 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:48:45,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-01-27 14:48:45,164 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread_usbErr16ASSERT_VIOLATIONWITNESS_INVARIANT === [thread_ath9kErr0ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr1ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 108 more)] === [2024-01-27 14:48:45,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:48:45,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1288854680, now seen corresponding path program 1 times [2024-01-27 14:48:45,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:48:45,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865528370] [2024-01-27 14:48:45,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:48:45,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:48:45,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:48:45,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:48:45,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:48:45,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865528370] [2024-01-27 14:48:45,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865528370] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:48:45,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:48:45,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 14:48:45,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076368363] [2024-01-27 14:48:45,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:48:45,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 14:48:45,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:48:45,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 14:48:45,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-27 14:48:45,253 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 308 [2024-01-27 14:48:45,254 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 143 transitions, 484 flow. Second operand has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:45,254 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:48:45,254 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 308 [2024-01-27 14:48:45,254 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:48:47,094 INFO L124 PetriNetUnfolderBase]: 9363/20050 cut-off events. [2024-01-27 14:48:47,094 INFO L125 PetriNetUnfolderBase]: For 10206/10338 co-relation queries the response was YES. [2024-01-27 14:48:47,140 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42684 conditions, 20050 events. 9363/20050 cut-off events. For 10206/10338 co-relation queries the response was YES. Maximal size of possible extension queue 336. Compared 164500 event pairs, 1718 based on Foata normal form. 132/18263 useless extension candidates. Maximal degree in co-relation 42665. Up to 10794 conditions per place. [2024-01-27 14:48:47,179 INFO L140 encePairwiseOnDemand]: 304/308 looper letters, 126 selfloop transitions, 4 changer transitions 0/194 dead transitions. [2024-01-27 14:48:47,179 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 194 transitions, 894 flow [2024-01-27 14:48:47,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-27 14:48:47,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-27 14:48:47,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 902 transitions. [2024-01-27 14:48:47,181 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7321428571428571 [2024-01-27 14:48:47,181 INFO L175 Difference]: Start difference. First operand has 153 places, 143 transitions, 484 flow. Second operand 4 states and 902 transitions. [2024-01-27 14:48:47,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 194 transitions, 894 flow [2024-01-27 14:48:47,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 194 transitions, 872 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 14:48:47,221 INFO L231 Difference]: Finished difference. Result has 153 places, 142 transitions, 478 flow [2024-01-27 14:48:47,222 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=308, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=478, PETRI_PLACES=153, PETRI_TRANSITIONS=142} [2024-01-27 14:48:47,222 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, -37 predicate places. [2024-01-27 14:48:47,222 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 142 transitions, 478 flow [2024-01-27 14:48:47,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:47,223 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:48:47,223 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:48:47,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-01-27 14:48:47,223 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONWITNESS_INVARIANT === [thread_ath9kErr0ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr1ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 108 more)] === [2024-01-27 14:48:47,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:48:47,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1385237596, now seen corresponding path program 1 times [2024-01-27 14:48:47,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:48:47,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326976887] [2024-01-27 14:48:47,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:48:47,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:48:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:48:47,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:48:47,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:48:47,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326976887] [2024-01-27 14:48:47,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326976887] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:48:47,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:48:47,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-01-27 14:48:47,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171515928] [2024-01-27 14:48:47,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:48:47,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-27 14:48:47,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:48:47,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-27 14:48:47,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-01-27 14:48:47,476 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 308 [2024-01-27 14:48:47,477 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 142 transitions, 478 flow. Second operand has 5 states, 5 states have (on average 209.6) internal successors, (1048), 5 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:47,477 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:48:47,477 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 308 [2024-01-27 14:48:47,477 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:48:49,157 INFO L124 PetriNetUnfolderBase]: 7348/16529 cut-off events. [2024-01-27 14:48:49,158 INFO L125 PetriNetUnfolderBase]: For 9234/9408 co-relation queries the response was YES. [2024-01-27 14:48:49,205 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35472 conditions, 16529 events. 7348/16529 cut-off events. For 9234/9408 co-relation queries the response was YES. Maximal size of possible extension queue 303. Compared 137991 event pairs, 5268 based on Foata normal form. 36/14803 useless extension candidates. Maximal degree in co-relation 35453. Up to 9588 conditions per place. [2024-01-27 14:48:49,243 INFO L140 encePairwiseOnDemand]: 303/308 looper letters, 109 selfloop transitions, 4 changer transitions 1/182 dead transitions. [2024-01-27 14:48:49,243 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 182 transitions, 816 flow [2024-01-27 14:48:49,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-27 14:48:49,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-01-27 14:48:49,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1122 transitions. [2024-01-27 14:48:49,245 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7285714285714285 [2024-01-27 14:48:49,245 INFO L175 Difference]: Start difference. First operand has 153 places, 142 transitions, 478 flow. Second operand 5 states and 1122 transitions. [2024-01-27 14:48:49,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 182 transitions, 816 flow [2024-01-27 14:48:49,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 182 transitions, 805 flow, removed 1 selfloop flow, removed 3 redundant places. [2024-01-27 14:48:49,280 INFO L231 Difference]: Finished difference. Result has 153 places, 141 transitions, 473 flow [2024-01-27 14:48:49,281 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=308, PETRI_DIFFERENCE_MINUEND_FLOW=465, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=473, PETRI_PLACES=153, PETRI_TRANSITIONS=141} [2024-01-27 14:48:49,281 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, -37 predicate places. [2024-01-27 14:48:49,281 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 141 transitions, 473 flow [2024-01-27 14:48:49,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 209.6) internal successors, (1048), 5 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:49,282 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:48:49,282 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:48:49,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-01-27 14:48:49,282 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONWITNESS_INVARIANT === [thread_ath9kErr0ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr1ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 108 more)] === [2024-01-27 14:48:49,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:48:49,283 INFO L85 PathProgramCache]: Analyzing trace with hash -7306655, now seen corresponding path program 1 times [2024-01-27 14:48:49,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:48:49,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884007106] [2024-01-27 14:48:49,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:48:49,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:48:49,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:48:49,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:48:49,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:48:49,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884007106] [2024-01-27 14:48:49,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884007106] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:48:49,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:48:49,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-01-27 14:48:49,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29068607] [2024-01-27 14:48:49,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:48:49,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-01-27 14:48:49,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:48:49,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-01-27 14:48:49,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-01-27 14:48:49,586 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 308 [2024-01-27 14:48:49,587 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 141 transitions, 473 flow. Second operand has 6 states, 6 states have (on average 208.0) internal successors, (1248), 6 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:49,588 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:48:49,588 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 308 [2024-01-27 14:48:49,588 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:48:51,232 INFO L124 PetriNetUnfolderBase]: 7348/16479 cut-off events. [2024-01-27 14:48:51,232 INFO L125 PetriNetUnfolderBase]: For 8814/8988 co-relation queries the response was YES. [2024-01-27 14:48:51,288 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35295 conditions, 16479 events. 7348/16479 cut-off events. For 8814/8988 co-relation queries the response was YES. Maximal size of possible extension queue 303. Compared 137349 event pairs, 5268 based on Foata normal form. 86/14803 useless extension candidates. Maximal degree in co-relation 35277. Up to 9588 conditions per place. [2024-01-27 14:48:51,327 INFO L140 encePairwiseOnDemand]: 302/308 looper letters, 119 selfloop transitions, 6 changer transitions 1/193 dead transitions. [2024-01-27 14:48:51,327 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 193 transitions, 869 flow [2024-01-27 14:48:51,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-01-27 14:48:51,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-01-27 14:48:51,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1332 transitions. [2024-01-27 14:48:51,330 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7207792207792207 [2024-01-27 14:48:51,330 INFO L175 Difference]: Start difference. First operand has 153 places, 141 transitions, 473 flow. Second operand 6 states and 1332 transitions. [2024-01-27 14:48:51,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 193 transitions, 869 flow [2024-01-27 14:48:51,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 193 transitions, 861 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-01-27 14:48:51,375 INFO L231 Difference]: Finished difference. Result has 153 places, 140 transitions, 475 flow [2024-01-27 14:48:51,375 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=308, PETRI_DIFFERENCE_MINUEND_FLOW=463, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=475, PETRI_PLACES=153, PETRI_TRANSITIONS=140} [2024-01-27 14:48:51,375 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, -37 predicate places. [2024-01-27 14:48:51,375 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 140 transitions, 475 flow [2024-01-27 14:48:51,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 208.0) internal successors, (1248), 6 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:51,376 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:48:51,376 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:48:51,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-01-27 14:48:51,376 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONWITNESS_INVARIANT === [thread_ath9kErr0ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr1ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 108 more)] === [2024-01-27 14:48:51,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:48:51,376 INFO L85 PathProgramCache]: Analyzing trace with hash -226505603, now seen corresponding path program 1 times [2024-01-27 14:48:51,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:48:51,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156316663] [2024-01-27 14:48:51,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:48:51,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:48:51,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:48:51,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:48:51,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:48:51,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156316663] [2024-01-27 14:48:51,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156316663] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:48:51,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:48:51,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-01-27 14:48:51,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079841385] [2024-01-27 14:48:51,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:48:51,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-01-27 14:48:51,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:48:51,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-01-27 14:48:51,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-01-27 14:48:51,688 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 308 [2024-01-27 14:48:51,689 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 140 transitions, 475 flow. Second operand has 7 states, 7 states have (on average 207.57142857142858) internal successors, (1453), 7 states have internal predecessors, (1453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:51,689 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:48:51,689 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 308 [2024-01-27 14:48:51,689 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:48:53,236 INFO L124 PetriNetUnfolderBase]: 7348/16457 cut-off events. [2024-01-27 14:48:53,236 INFO L125 PetriNetUnfolderBase]: For 8814/8988 co-relation queries the response was YES. [2024-01-27 14:48:53,291 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35323 conditions, 16457 events. 7348/16457 cut-off events. For 8814/8988 co-relation queries the response was YES. Maximal size of possible extension queue 302. Compared 136929 event pairs, 5266 based on Foata normal form. 36/14729 useless extension candidates. Maximal degree in co-relation 35305. Up to 9588 conditions per place. [2024-01-27 14:48:53,328 INFO L140 encePairwiseOnDemand]: 301/308 looper letters, 129 selfloop transitions, 7 changer transitions 1/203 dead transitions. [2024-01-27 14:48:53,329 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 203 transitions, 921 flow [2024-01-27 14:48:53,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-27 14:48:53,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-01-27 14:48:53,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1547 transitions. [2024-01-27 14:48:53,331 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7175324675324676 [2024-01-27 14:48:53,332 INFO L175 Difference]: Start difference. First operand has 153 places, 140 transitions, 475 flow. Second operand 7 states and 1547 transitions. [2024-01-27 14:48:53,332 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 203 transitions, 921 flow [2024-01-27 14:48:53,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 203 transitions, 909 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-01-27 14:48:53,374 INFO L231 Difference]: Finished difference. Result has 153 places, 139 transitions, 475 flow [2024-01-27 14:48:53,374 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=308, PETRI_DIFFERENCE_MINUEND_FLOW=461, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=475, PETRI_PLACES=153, PETRI_TRANSITIONS=139} [2024-01-27 14:48:53,374 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, -37 predicate places. [2024-01-27 14:48:53,374 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 139 transitions, 475 flow [2024-01-27 14:48:53,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 207.57142857142858) internal successors, (1453), 7 states have internal predecessors, (1453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:53,375 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:48:53,375 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:48:53,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-01-27 14:48:53,375 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr1ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 108 more)] === [2024-01-27 14:48:53,375 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:48:53,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1371473325, now seen corresponding path program 1 times [2024-01-27 14:48:53,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:48:53,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651960751] [2024-01-27 14:48:53,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:48:53,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:48:53,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:48:53,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:48:53,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:48:53,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651960751] [2024-01-27 14:48:53,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651960751] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:48:53,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:48:53,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-01-27 14:48:53,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670255887] [2024-01-27 14:48:53,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:48:53,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 14:48:53,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:48:53,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 14:48:53,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 14:48:53,461 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 308 [2024-01-27 14:48:53,462 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 139 transitions, 475 flow. Second operand has 4 states, 4 states have (on average 201.5) internal successors, (806), 4 states have internal predecessors, (806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:53,462 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:48:53,462 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 308 [2024-01-27 14:48:53,462 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:48:55,119 INFO L124 PetriNetUnfolderBase]: 7762/17091 cut-off events. [2024-01-27 14:48:55,119 INFO L125 PetriNetUnfolderBase]: For 9827/9959 co-relation queries the response was YES. [2024-01-27 14:48:55,170 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36864 conditions, 17091 events. 7762/17091 cut-off events. For 9827/9959 co-relation queries the response was YES. Maximal size of possible extension queue 306. Compared 141050 event pairs, 6194 based on Foata normal form. 0/15265 useless extension candidates. Maximal degree in co-relation 36846. Up to 11333 conditions per place. [2024-01-27 14:48:55,209 INFO L140 encePairwiseOnDemand]: 301/308 looper letters, 103 selfloop transitions, 8 changer transitions 5/175 dead transitions. [2024-01-27 14:48:55,210 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 175 transitions, 799 flow [2024-01-27 14:48:55,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-27 14:48:55,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-01-27 14:48:55,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1072 transitions. [2024-01-27 14:48:55,213 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6961038961038961 [2024-01-27 14:48:55,213 INFO L175 Difference]: Start difference. First operand has 153 places, 139 transitions, 475 flow. Second operand 5 states and 1072 transitions. [2024-01-27 14:48:55,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 175 transitions, 799 flow [2024-01-27 14:48:55,253 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 175 transitions, 783 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-01-27 14:48:55,254 INFO L231 Difference]: Finished difference. Result has 155 places, 141 transitions, 509 flow [2024-01-27 14:48:55,254 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=308, PETRI_DIFFERENCE_MINUEND_FLOW=461, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=509, PETRI_PLACES=155, PETRI_TRANSITIONS=141} [2024-01-27 14:48:55,255 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, -35 predicate places. [2024-01-27 14:48:55,255 INFO L495 AbstractCegarLoop]: Abstraction has has 155 places, 141 transitions, 509 flow [2024-01-27 14:48:55,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 201.5) internal successors, (806), 4 states have internal predecessors, (806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:55,255 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:48:55,256 INFO L208 CegarLoopForPetriNet]: trace histogram [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] [2024-01-27 14:48:55,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-01-27 14:48:55,256 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread_usbThread1of1ForFork0Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thread_ath9kErr0ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr1ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 108 more)] === [2024-01-27 14:48:55,256 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:48:55,256 INFO L85 PathProgramCache]: Analyzing trace with hash 191793384, now seen corresponding path program 1 times [2024-01-27 14:48:55,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:48:55,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007703292] [2024-01-27 14:48:55,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:48:55,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:48:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:48:55,325 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:48:55,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:48:55,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007703292] [2024-01-27 14:48:55,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007703292] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:48:55,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:48:55,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 14:48:55,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388118449] [2024-01-27 14:48:55,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:48:55,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:48:55,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:48:55,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:48:55,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:48:55,357 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 308 [2024-01-27 14:48:55,358 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 141 transitions, 509 flow. Second operand has 3 states, 3 states have (on average 202.0) internal successors, (606), 3 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:55,358 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:48:55,358 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 308 [2024-01-27 14:48:55,358 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:48:56,299 INFO L124 PetriNetUnfolderBase]: 3956/8747 cut-off events. [2024-01-27 14:48:56,300 INFO L125 PetriNetUnfolderBase]: For 5400/5400 co-relation queries the response was YES. [2024-01-27 14:48:56,317 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17411 conditions, 8747 events. 3956/8747 cut-off events. For 5400/5400 co-relation queries the response was YES. Maximal size of possible extension queue 176. Compared 61990 event pairs, 1512 based on Foata normal form. 360/8031 useless extension candidates. Maximal degree in co-relation 17390. Up to 2846 conditions per place. [2024-01-27 14:48:56,333 INFO L140 encePairwiseOnDemand]: 303/308 looper letters, 80 selfloop transitions, 2 changer transitions 19/146 dead transitions. [2024-01-27 14:48:56,333 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 146 transitions, 658 flow [2024-01-27 14:48:56,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:48:56,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:48:56,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 665 transitions. [2024-01-27 14:48:56,335 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7196969696969697 [2024-01-27 14:48:56,335 INFO L175 Difference]: Start difference. First operand has 155 places, 141 transitions, 509 flow. Second operand 3 states and 665 transitions. [2024-01-27 14:48:56,335 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 146 transitions, 658 flow [2024-01-27 14:48:56,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 146 transitions, 582 flow, removed 10 selfloop flow, removed 19 redundant places. [2024-01-27 14:48:56,346 INFO L231 Difference]: Finished difference. Result has 134 places, 105 transitions, 290 flow [2024-01-27 14:48:56,347 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=308, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=290, PETRI_PLACES=134, PETRI_TRANSITIONS=105} [2024-01-27 14:48:56,347 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, -56 predicate places. [2024-01-27 14:48:56,347 INFO L495 AbstractCegarLoop]: Abstraction has has 134 places, 105 transitions, 290 flow [2024-01-27 14:48:56,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 202.0) internal successors, (606), 3 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:56,347 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:48:56,348 INFO L208 CegarLoopForPetriNet]: trace histogram [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] [2024-01-27 14:48:56,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-01-27 14:48:56,348 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread_usbErr23ASSERT_VIOLATIONWITNESS_INVARIANT === [thread_ath9kErr0ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr1ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 108 more)] === [2024-01-27 14:48:56,348 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:48:56,348 INFO L85 PathProgramCache]: Analyzing trace with hash 239914524, now seen corresponding path program 1 times [2024-01-27 14:48:56,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:48:56,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487989285] [2024-01-27 14:48:56,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:48:56,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:48:56,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:48:56,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:48:56,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:48:56,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487989285] [2024-01-27 14:48:56,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487989285] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:48:56,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:48:56,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-01-27 14:48:56,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280965041] [2024-01-27 14:48:56,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:48:56,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-27 14:48:56,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:48:56,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-27 14:48:56,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-01-27 14:48:56,599 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 308 [2024-01-27 14:48:56,601 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 105 transitions, 290 flow. Second operand has 5 states, 5 states have (on average 211.4) internal successors, (1057), 5 states have internal predecessors, (1057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:56,601 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:48:56,601 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 308 [2024-01-27 14:48:56,601 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:48:57,331 INFO L124 PetriNetUnfolderBase]: 3492/7497 cut-off events. [2024-01-27 14:48:57,331 INFO L125 PetriNetUnfolderBase]: For 3422/3422 co-relation queries the response was YES. [2024-01-27 14:48:57,343 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14687 conditions, 7497 events. 3492/7497 cut-off events. For 3422/3422 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 51885 event pairs, 2518 based on Foata normal form. 0/6557 useless extension candidates. Maximal degree in co-relation 14673. Up to 4380 conditions per place. [2024-01-27 14:48:57,358 INFO L140 encePairwiseOnDemand]: 301/308 looper letters, 77 selfloop transitions, 6 changer transitions 0/133 dead transitions. [2024-01-27 14:48:57,359 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 133 transitions, 542 flow [2024-01-27 14:48:57,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-27 14:48:57,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-01-27 14:48:57,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1103 transitions. [2024-01-27 14:48:57,360 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7162337662337662 [2024-01-27 14:48:57,361 INFO L175 Difference]: Start difference. First operand has 134 places, 105 transitions, 290 flow. Second operand 5 states and 1103 transitions. [2024-01-27 14:48:57,361 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 133 transitions, 542 flow [2024-01-27 14:48:57,365 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 133 transitions, 511 flow, removed 4 selfloop flow, removed 7 redundant places. [2024-01-27 14:48:57,366 INFO L231 Difference]: Finished difference. Result has 112 places, 104 transitions, 281 flow [2024-01-27 14:48:57,366 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=308, PETRI_DIFFERENCE_MINUEND_FLOW=269, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=281, PETRI_PLACES=112, PETRI_TRANSITIONS=104} [2024-01-27 14:48:57,367 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, -78 predicate places. [2024-01-27 14:48:57,367 INFO L495 AbstractCegarLoop]: Abstraction has has 112 places, 104 transitions, 281 flow [2024-01-27 14:48:57,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 211.4) internal successors, (1057), 5 states have internal predecessors, (1057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:57,367 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:48:57,367 INFO L208 CegarLoopForPetriNet]: trace histogram [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] [2024-01-27 14:48:57,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-01-27 14:48:57,368 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread_usbErr27ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr1ASSERT_VIOLATIONWITNESS_INVARIANT, thread_ath9kErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 108 more)] === [2024-01-27 14:48:57,368 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:48:57,368 INFO L85 PathProgramCache]: Analyzing trace with hash 315456541, now seen corresponding path program 1 times [2024-01-27 14:48:57,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:48:57,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597658506] [2024-01-27 14:48:57,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:48:57,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:48:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:48:57,444 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-01-27 14:48:57,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:48:57,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597658506] [2024-01-27 14:48:57,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597658506] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:48:57,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:48:57,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-01-27 14:48:57,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409807445] [2024-01-27 14:48:57,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:48:57,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 14:48:57,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:48:57,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 14:48:57,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 14:48:57,462 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 308 [2024-01-27 14:48:57,463 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 104 transitions, 281 flow. Second operand has 4 states, 4 states have (on average 205.0) internal successors, (820), 4 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:57,463 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:48:57,463 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 308 [2024-01-27 14:48:57,464 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:48:58,277 INFO L124 PetriNetUnfolderBase]: 4671/10302 cut-off events. [2024-01-27 14:48:58,278 INFO L125 PetriNetUnfolderBase]: For 2102/2102 co-relation queries the response was YES. [2024-01-27 14:48:58,291 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19245 conditions, 10302 events. 4671/10302 cut-off events. For 2102/2102 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 74765 event pairs, 3270 based on Foata normal form. 0/9041 useless extension candidates. Maximal degree in co-relation 19235. Up to 4864 conditions per place. [2024-01-27 14:48:58,295 INFO L140 encePairwiseOnDemand]: 303/308 looper letters, 0 selfloop transitions, 0 changer transitions 138/138 dead transitions. [2024-01-27 14:48:58,295 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 138 transitions, 566 flow [2024-01-27 14:48:58,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-27 14:48:58,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-27 14:48:58,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 874 transitions. [2024-01-27 14:48:58,297 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7094155844155844 [2024-01-27 14:48:58,297 INFO L175 Difference]: Start difference. First operand has 112 places, 104 transitions, 281 flow. Second operand 4 states and 874 transitions. [2024-01-27 14:48:58,297 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 138 transitions, 566 flow [2024-01-27 14:48:58,302 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 138 transitions, 551 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-01-27 14:48:58,302 INFO L231 Difference]: Finished difference. Result has 109 places, 0 transitions, 0 flow [2024-01-27 14:48:58,303 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=308, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=109, PETRI_TRANSITIONS=0} [2024-01-27 14:48:58,303 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, -81 predicate places. [2024-01-27 14:48:58,303 INFO L495 AbstractCegarLoop]: Abstraction has has 109 places, 0 transitions, 0 flow [2024-01-27 14:48:58,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 205.0) internal successors, (820), 4 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:48:58,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr0ASSERT_VIOLATIONWITNESS_INVARIANT (110 of 111 remaining) [2024-01-27 14:48:58,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr1ASSERT_VIOLATIONWITNESS_INVARIANT (109 of 111 remaining) [2024-01-27 14:48:58,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr2ASSERT_VIOLATIONWITNESS_INVARIANT (108 of 111 remaining) [2024-01-27 14:48:58,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr3ASSERT_VIOLATIONWITNESS_INVARIANT (107 of 111 remaining) [2024-01-27 14:48:58,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr5ASSERT_VIOLATIONWITNESS_INVARIANT (106 of 111 remaining) [2024-01-27 14:48:58,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr6ASSERT_VIOLATIONWITNESS_INVARIANT (105 of 111 remaining) [2024-01-27 14:48:58,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr4ASSERT_VIOLATIONERROR_FUNCTION (104 of 111 remaining) [2024-01-27 14:48:58,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 111 remaining) [2024-01-27 14:48:58,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 111 remaining) [2024-01-27 14:48:58,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 111 remaining) [2024-01-27 14:48:58,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 111 remaining) [2024-01-27 14:48:58,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 111 remaining) [2024-01-27 14:48:58,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (98 of 111 remaining) [2024-01-27 14:48:58,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (97 of 111 remaining) [2024-01-27 14:48:58,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 111 remaining) [2024-01-27 14:48:58,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 111 remaining) [2024-01-27 14:48:58,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 111 remaining) [2024-01-27 14:48:58,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 111 remaining) [2024-01-27 14:48:58,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 111 remaining) [2024-01-27 14:48:58,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 111 remaining) [2024-01-27 14:48:58,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 111 remaining) [2024-01-27 14:48:58,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 111 remaining) [2024-01-27 14:48:58,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (88 of 111 remaining) [2024-01-27 14:48:58,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 111 remaining) [2024-01-27 14:48:58,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 111 remaining) [2024-01-27 14:48:58,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 111 remaining) [2024-01-27 14:48:58,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 111 remaining) [2024-01-27 14:48:58,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 111 remaining) [2024-01-27 14:48:58,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 111 remaining) [2024-01-27 14:48:58,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 111 remaining) [2024-01-27 14:48:58,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION (80 of 111 remaining) [2024-01-27 14:48:58,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (79 of 111 remaining) [2024-01-27 14:48:58,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr0ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 111 remaining) [2024-01-27 14:48:58,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr1ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 111 remaining) [2024-01-27 14:48:58,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr2ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 111 remaining) [2024-01-27 14:48:58,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr3ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 111 remaining) [2024-01-27 14:48:58,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr31ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 111 remaining) [2024-01-27 14:48:58,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr32ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 111 remaining) [2024-01-27 14:48:58,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr4ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 111 remaining) [2024-01-27 14:48:58,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr20ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 111 remaining) [2024-01-27 14:48:58,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr33ASSERT_VIOLATIONERROR_FUNCTION (70 of 111 remaining) [2024-01-27 14:48:58,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr5ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 111 remaining) [2024-01-27 14:48:58,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr21ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 111 remaining) [2024-01-27 14:48:58,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr28ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 111 remaining) [2024-01-27 14:48:58,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr34ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 111 remaining) [2024-01-27 14:48:58,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr30ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 111 remaining) [2024-01-27 14:48:58,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr22ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 111 remaining) [2024-01-27 14:48:58,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr29ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 111 remaining) [2024-01-27 14:48:58,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr6ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 111 remaining) [2024-01-27 14:48:58,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr7ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 111 remaining) [2024-01-27 14:48:58,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr8ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 111 remaining) [2024-01-27 14:48:58,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr23ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 111 remaining) [2024-01-27 14:48:58,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr9ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 111 remaining) [2024-01-27 14:48:58,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr24ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 111 remaining) [2024-01-27 14:48:58,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr10ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 111 remaining) [2024-01-27 14:48:58,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr25ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 111 remaining) [2024-01-27 14:48:58,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr26ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 111 remaining) [2024-01-27 14:48:58,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr11ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 111 remaining) [2024-01-27 14:48:58,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr12ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 111 remaining) [2024-01-27 14:48:58,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr27ASSERT_VIOLATIONERROR_FUNCTION (51 of 111 remaining) [2024-01-27 14:48:58,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr13ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 111 remaining) [2024-01-27 14:48:58,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr14ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 111 remaining) [2024-01-27 14:48:58,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr15ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 111 remaining) [2024-01-27 14:48:58,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr16ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 111 remaining) [2024-01-27 14:48:58,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr17ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 111 remaining) [2024-01-27 14:48:58,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr18ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 111 remaining) [2024-01-27 14:48:58,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr19ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 111 remaining) [2024-01-27 14:48:58,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (43 of 111 remaining) [2024-01-27 14:48:58,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr0ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 111 remaining) [2024-01-27 14:48:58,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr1ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 111 remaining) [2024-01-27 14:48:58,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr2ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 111 remaining) [2024-01-27 14:48:58,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr3ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 111 remaining) [2024-01-27 14:48:58,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr5ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 111 remaining) [2024-01-27 14:48:58,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr6ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 111 remaining) [2024-01-27 14:48:58,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr4ASSERT_VIOLATIONERROR_FUNCTION (36 of 111 remaining) [2024-01-27 14:48:58,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr0ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 111 remaining) [2024-01-27 14:48:58,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr1ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 111 remaining) [2024-01-27 14:48:58,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr2ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 111 remaining) [2024-01-27 14:48:58,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr3ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 111 remaining) [2024-01-27 14:48:58,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr31ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 111 remaining) [2024-01-27 14:48:58,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr32ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 111 remaining) [2024-01-27 14:48:58,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr4ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 111 remaining) [2024-01-27 14:48:58,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr20ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 111 remaining) [2024-01-27 14:48:58,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr33ASSERT_VIOLATIONERROR_FUNCTION (27 of 111 remaining) [2024-01-27 14:48:58,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr5ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 111 remaining) [2024-01-27 14:48:58,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr21ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 111 remaining) [2024-01-27 14:48:58,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr28ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 111 remaining) [2024-01-27 14:48:58,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr34ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 111 remaining) [2024-01-27 14:48:58,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr30ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 111 remaining) [2024-01-27 14:48:58,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr22ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 111 remaining) [2024-01-27 14:48:58,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr29ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 111 remaining) [2024-01-27 14:48:58,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr6ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 111 remaining) [2024-01-27 14:48:58,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr7ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 111 remaining) [2024-01-27 14:48:58,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr8ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 111 remaining) [2024-01-27 14:48:58,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr23ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 111 remaining) [2024-01-27 14:48:58,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr9ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 111 remaining) [2024-01-27 14:48:58,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr24ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 111 remaining) [2024-01-27 14:48:58,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr10ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 111 remaining) [2024-01-27 14:48:58,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr25ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 111 remaining) [2024-01-27 14:48:58,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr26ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 111 remaining) [2024-01-27 14:48:58,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr11ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 111 remaining) [2024-01-27 14:48:58,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr12ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 111 remaining) [2024-01-27 14:48:58,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr27ASSERT_VIOLATIONERROR_FUNCTION (8 of 111 remaining) [2024-01-27 14:48:58,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr13ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 111 remaining) [2024-01-27 14:48:58,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr14ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 111 remaining) [2024-01-27 14:48:58,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr15ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 111 remaining) [2024-01-27 14:48:58,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr16ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 111 remaining) [2024-01-27 14:48:58,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr17ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 111 remaining) [2024-01-27 14:48:58,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr18ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 111 remaining) [2024-01-27 14:48:58,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr19ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 111 remaining) [2024-01-27 14:48:58,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbThread1of1ForFork0Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 111 remaining) [2024-01-27 14:48:58,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-01-27 14:48:58,322 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:48:58,327 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-27 14:48:58,327 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-27 14:48:58,333 INFO L503 ceAbstractionStarter]: Automizer considered 60 witness invariants [2024-01-27 14:48:58,333 INFO L504 ceAbstractionStarter]: WitnessConsidered=60 [2024-01-27 14:48:58,335 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.01 02:48:58 BasicIcfg [2024-01-27 14:48:58,335 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-27 14:48:58,336 INFO L158 Benchmark]: Toolchain (without parser) took 36507.90ms. Allocated memory was 153.1MB in the beginning and 13.0GB in the end (delta: 12.9GB). Free memory was 72.4MB in the beginning and 11.1GB in the end (delta: -11.0GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. [2024-01-27 14:48:58,336 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 153.1MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 14:48:58,336 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 153.1MB. Free memory is still 76.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 14:48:58,336 INFO L158 Benchmark]: CACSL2BoogieTranslator took 860.99ms. Allocated memory was 153.1MB in the beginning and 218.1MB in the end (delta: 65.0MB). Free memory was 72.1MB in the beginning and 128.1MB in the end (delta: -56.0MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2024-01-27 14:48:58,336 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.36ms. Allocated memory is still 218.1MB. Free memory was 128.1MB in the beginning and 125.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-27 14:48:58,337 INFO L158 Benchmark]: Boogie Preprocessor took 77.68ms. Allocated memory is still 218.1MB. Free memory was 125.0MB in the beginning and 119.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-01-27 14:48:58,337 INFO L158 Benchmark]: RCFGBuilder took 794.71ms. Allocated memory is still 218.1MB. Free memory was 119.7MB in the beginning and 64.2MB in the end (delta: 55.6MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2024-01-27 14:48:58,338 INFO L158 Benchmark]: TraceAbstraction took 34674.67ms. Allocated memory was 218.1MB in the beginning and 13.0GB in the end (delta: 12.8GB). Free memory was 63.1MB in the beginning and 11.1GB in the end (delta: -11.0GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. [2024-01-27 14:48:58,339 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 153.1MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 153.1MB. Free memory is still 76.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 860.99ms. Allocated memory was 153.1MB in the beginning and 218.1MB in the end (delta: 65.0MB). Free memory was 72.1MB in the beginning and 128.1MB in the end (delta: -56.0MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.36ms. Allocated memory is still 218.1MB. Free memory was 128.1MB in the beginning and 125.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.68ms. Allocated memory is still 218.1MB. Free memory was 125.0MB in the beginning and 119.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 794.71ms. Allocated memory is still 218.1MB. Free memory was 119.7MB in the beginning and 64.2MB in the end (delta: 55.6MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * TraceAbstraction took 34674.67ms. Allocated memory was 218.1MB in the beginning and 13.0GB in the end (delta: 12.8GB). Free memory was 63.1MB in the beginning and 11.1GB in the end (delta: -11.0GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1704]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1705]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1706]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1707]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1709]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1704]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1693]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1776]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1776]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1777]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1777]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1778]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1778]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1693]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1779]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1779]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1780]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1783]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1780]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1783]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1784]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1784]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1693]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1785]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1785]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1791]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1786]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1792]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1786]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1793]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1693]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1743]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1745]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1746]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1747]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1770]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1772]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1748]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1755]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1693]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1749]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1756]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1763]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1773]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1745]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1757]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1764]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1732]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1732]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1732]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1726]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1732]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1758]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1732]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1759]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1760]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1734]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1750]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1693]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1750]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1750]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1750]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1750]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1750]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1752]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1752]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 309 locations, 111 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 34.5s, OverallIterations: 22, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 31.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1934 SdHoareTripleChecker+Valid, 3.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1579 mSDsluCounter, 202 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 97 mSDsCounter, 199 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5372 IncrementalHoareTripleChecker+Invalid, 5571 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 199 mSolverCounterUnsat, 105 mSDtfsCounter, 5372 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=509occurred in iteration=19, InterpolantAutomatonStates: 95, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 727 NumberOfCodeBlocks, 727 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 705 ConstructedInterpolants, 0 QuantifiedInterpolants, 1114 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 17/17 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 66 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-01-27 14:48:58,360 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE