./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe030_power.opt_pso.opt_rmo.opt.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-09-02_08-21-23.files/protection-ghost/safe030_power.opt_pso.opt_rmo.opt.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a4c57e3 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe030_power.opt_pso.opt_rmo.opt.i ./goblint.2024-09-02_08-21-23.files/protection-ghost/safe030_power.opt_pso.opt_rmo.opt.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m [2024-09-08 14:14:01,923 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 14:14:01,986 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-08 14:14:01,991 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 14:14:01,992 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 14:14:02,029 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 14:14:02,030 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 14:14:02,030 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 14:14:02,031 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 14:14:02,031 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 14:14:02,032 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 14:14:02,032 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 14:14:02,033 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 14:14:02,033 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 14:14:02,034 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 14:14:02,034 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 14:14:02,034 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-08 14:14:02,035 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 14:14:02,035 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 14:14:02,035 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 14:14:02,036 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 14:14:02,036 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 14:14:02,037 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 14:14:02,037 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 14:14:02,037 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 14:14:02,037 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 14:14:02,038 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 14:14:02,038 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 14:14:02,038 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 14:14:02,039 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 14:14:02,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 14:14:02,043 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 14:14:02,043 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 14:14:02,043 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 14:14:02,043 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-08 14:14:02,044 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 14:14:02,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-08 14:14:02,044 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 14:14:02,044 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 14:14:02,045 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 14:14:02,045 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 14:14:02,046 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-08 14:14:02,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 14:14:02,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 14:14:02,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 14:14:02,333 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-08 14:14:02,334 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-08 14:14:02,335 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/protection-ghost/safe030_power.opt_pso.opt_rmo.opt.yml/witness.yml [2024-09-08 14:14:02,438 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 14:14:02,439 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 14:14:02,439 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe030_power.opt_pso.opt_rmo.opt.i [2024-09-08 14:14:03,812 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 14:14:04,065 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 14:14:04,066 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe030_power.opt_pso.opt_rmo.opt.i [2024-09-08 14:14:04,081 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/35bbf9c68/a340bcdd05f94721bceb3a5e0ff9592e/FLAG3a0ef40f0 [2024-09-08 14:14:04,094 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/35bbf9c68/a340bcdd05f94721bceb3a5e0ff9592e [2024-09-08 14:14:04,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 14:14:04,095 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-08 14:14:04,096 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 14:14:04,097 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 14:14:04,100 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 14:14:04,101 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 02:14:02" (1/2) ... [2024-09-08 14:14:04,102 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28d9599a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:14:04, skipping insertion in model container [2024-09-08 14:14:04,102 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 02:14:02" (1/2) ... [2024-09-08 14:14:04,103 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@108dc582 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:14:04, skipping insertion in model container [2024-09-08 14:14:04,103 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 02:14:04" (2/2) ... [2024-09-08 14:14:04,103 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28d9599a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:14:04, skipping insertion in model container [2024-09-08 14:14:04,103 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 02:14:04" (2/2) ... [2024-09-08 14:14:04,177 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-08 14:14:04,178 INFO L1541 ArrayList]: Location invariant before [L816-L816] (((((((((((((((! multithreaded || y$r_buff1_thd0 == (_Bool)0) && (! multithreaded || ((x == 0 || x == 1) || x == 2))) && (! multithreaded || (y$w_buff0 == 0 || y$w_buff0 == 2))) && (! multithreaded || y$r_buff0_thd1 == (_Bool)0)) && (! multithreaded || y$r_buff0_thd0 == (_Bool)0)) && (! multithreaded || y$flush_delayed == (_Bool)0)) && (! multithreaded || y$r_buff0_thd2 == (_Bool)0)) && (! multithreaded || y$r_buff1_thd1 == (_Bool)0)) && (! multithreaded || ((z == 0 || z == 1) || z == 2))) && (! multithreaded || (y$w_buff1 == 0 || y$w_buff1 == 2))) && (! multithreaded || 0 <= __unbuffered_cnt)) && (! multithreaded || y$read_delayed_var == 0)) && (! multithreaded || y$r_buff1_thd2 == (_Bool)0)) && (! multithreaded || y$read_delayed == (_Bool)0)) && (! multithreaded || ((y == 0 || y == 1) || y == 2))) && (! multithreaded || ((y$mem_tmp == 0 || y$mem_tmp == 1) || y$mem_tmp == 2)) [2024-09-08 14:14:04,179 INFO L1541 ArrayList]: Location invariant before [L814-L814] (((((((((((((((! multithreaded || y$r_buff1_thd0 == (_Bool)0) && (! multithreaded || ((x == 0 || x == 1) || x == 2))) && (! multithreaded || (y$w_buff0 == 0 || y$w_buff0 == 2))) && (! multithreaded || y$r_buff0_thd1 == (_Bool)0)) && (! multithreaded || y$r_buff0_thd0 == (_Bool)0)) && (! multithreaded || y$flush_delayed == (_Bool)0)) && (! multithreaded || y$r_buff0_thd2 == (_Bool)0)) && (! multithreaded || y$r_buff1_thd1 == (_Bool)0)) && (! multithreaded || ((z == 0 || z == 1) || z == 2))) && (! multithreaded || (y$w_buff1 == 0 || y$w_buff1 == 2))) && (! multithreaded || 0 <= __unbuffered_cnt)) && (! multithreaded || y$read_delayed_var == 0)) && (! multithreaded || y$r_buff1_thd2 == (_Bool)0)) && (! multithreaded || y$read_delayed == (_Bool)0)) && (! multithreaded || ((y == 0 || y == 1) || y == 2))) && (! multithreaded || ((y$mem_tmp == 0 || y$mem_tmp == 1) || y$mem_tmp == 2)) [2024-09-08 14:14:04,179 INFO L1541 ArrayList]: Location invariant before [L817-L817] (((((((((((((((! multithreaded || y$r_buff1_thd0 == (_Bool)0) && (! multithreaded || ((x == 0 || x == 1) || x == 2))) && (! multithreaded || (y$w_buff0 == 0 || y$w_buff0 == 2))) && (! multithreaded || y$r_buff0_thd1 == (_Bool)0)) && (! multithreaded || y$r_buff0_thd0 == (_Bool)0)) && (! multithreaded || y$flush_delayed == (_Bool)0)) && (! multithreaded || y$r_buff0_thd2 == (_Bool)0)) && (! multithreaded || y$r_buff1_thd1 == (_Bool)0)) && (! multithreaded || ((z == 0 || z == 1) || z == 2))) && (! multithreaded || (y$w_buff1 == 0 || y$w_buff1 == 2))) && (! multithreaded || 0 <= __unbuffered_cnt)) && (! multithreaded || y$read_delayed_var == 0)) && (! multithreaded || y$r_buff1_thd2 == (_Bool)0)) && (! multithreaded || y$read_delayed == (_Bool)0)) && (! multithreaded || ((y == 0 || y == 1) || y == 2))) && (! multithreaded || ((y$mem_tmp == 0 || y$mem_tmp == 1) || y$mem_tmp == 2)) [2024-09-08 14:14:04,179 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-08 14:14:04,179 INFO L1541 ArrayList]: ghost_update [L812-L812] multithreaded = 1; [2024-09-08 14:14:04,227 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 14:14:04,420 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe030_power.opt_pso.opt_rmo.opt.i[967,980] [2024-09-08 14:14:04,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 14:14:04,608 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local [2024-09-08 14:14:04,638 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe030_power.opt_pso.opt_rmo.opt.i[967,980] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-08 14:14:04,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 14:14:04,767 INFO L204 MainTranslator]: Completed translation [2024-09-08 14:14:04,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:14:04 WrapperNode [2024-09-08 14:14:04,767 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 14:14:04,769 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-08 14:14:04,769 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-08 14:14:04,769 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-08 14:14:04,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:14:04" (1/1) ... [2024-09-08 14:14:04,798 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:14:04" (1/1) ... [2024-09-08 14:14:04,828 INFO L138 Inliner]: procedures = 175, calls = 42, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 141 [2024-09-08 14:14:04,829 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-08 14:14:04,830 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-08 14:14:04,830 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-08 14:14:04,830 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-08 14:14:04,842 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:14:04" (1/1) ... [2024-09-08 14:14:04,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:14:04" (1/1) ... [2024-09-08 14:14:04,848 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:14:04" (1/1) ... [2024-09-08 14:14:04,848 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:14:04" (1/1) ... [2024-09-08 14:14:04,862 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:14:04" (1/1) ... [2024-09-08 14:14:04,866 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:14:04" (1/1) ... [2024-09-08 14:14:04,868 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:14:04" (1/1) ... [2024-09-08 14:14:04,869 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:14:04" (1/1) ... [2024-09-08 14:14:04,876 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-08 14:14:04,876 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-08 14:14:04,877 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-08 14:14:04,877 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-08 14:14:04,878 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:14:04" (1/1) ... [2024-09-08 14:14:04,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 14:14:04,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:14:04,912 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-09-08 14:14:04,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-09-08 14:14:04,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-08 14:14:04,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-08 14:14:04,964 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-09-08 14:14:04,965 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-09-08 14:14:04,965 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-09-08 14:14:04,965 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-09-08 14:14:04,965 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-09-08 14:14:04,966 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-09-08 14:14:04,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-08 14:14:04,966 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-08 14:14:04,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-08 14:14:04,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-08 14:14:04,968 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-08 14:14:05,093 INFO L242 CfgBuilder]: Building ICFG [2024-09-08 14:14:05,095 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-08 14:14:05,484 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-08 14:14:05,484 INFO L291 CfgBuilder]: Performing block encoding [2024-09-08 14:14:05,708 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-08 14:14:05,708 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-08 14:14:05,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 02:14:05 BoogieIcfgContainer [2024-09-08 14:14:05,709 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-08 14:14:05,713 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-08 14:14:05,714 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-08 14:14:05,718 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-08 14:14:05,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 02:14:02" (1/4) ... [2024-09-08 14:14:05,719 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42d848a5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 02:14:05, skipping insertion in model container [2024-09-08 14:14:05,719 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 02:14:04" (2/4) ... [2024-09-08 14:14:05,719 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42d848a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 02:14:05, skipping insertion in model container [2024-09-08 14:14:05,720 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:14:04" (3/4) ... [2024-09-08 14:14:05,720 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42d848a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 02:14:05, skipping insertion in model container [2024-09-08 14:14:05,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 02:14:05" (4/4) ... [2024-09-08 14:14:05,722 INFO L112 eAbstractionObserver]: Analyzing ICFG safe030_power.opt_pso.opt_rmo.opt.i [2024-09-08 14:14:05,740 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-08 14:14:05,740 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-09-08 14:14:05,741 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-08 14:14:05,797 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-09-08 14:14:05,844 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 14:14:05,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 14:14:05,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:14:05,846 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-08 14:14:05,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-09-08 14:14:05,883 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 14:14:05,895 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Thread1of1ForFork0 ======== [2024-09-08 14:14:05,901 INFO L336 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@4f2159d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 14:14:05,902 INFO L337 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-09-08 14:14:06,266 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-08 14:14:06,272 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:14:06,273 INFO L85 PathProgramCache]: Analyzing trace with hash -34378442, now seen corresponding path program 1 times [2024-09-08 14:14:06,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:14:06,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359640888] [2024-09-08 14:14:06,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:14:06,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:14:06,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:14:07,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:14:07,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:14:07,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359640888] [2024-09-08 14:14:07,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359640888] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:14:07,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:14:07,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-08 14:14:07,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020289865] [2024-09-08 14:14:07,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:14:07,476 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 14:14:07,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:14:07,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 14:14:07,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-08 14:14:07,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:14:07,504 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:14:07,505 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2024-09-08 14:14:07,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:14:08,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:14:08,914 INFO L785 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-09-08 14:14:08,914 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-08 14:14:08,922 INFO L408 BasicCegarLoop]: Path program histogram: [1] [2024-09-08 14:14:08,925 INFO L312 ceAbstractionStarter]: Result for error location P2Thread1of1ForFork0 was SAFE (1/2) [2024-09-08 14:14:08,930 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 14:14:08,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 14:14:08,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:14:08,934 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-08 14:14:08,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-09-08 14:14:08,938 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 14:14:08,941 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-08 14:14:08,942 INFO L336 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@4f2159d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 14:14:08,942 INFO L337 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-09-08 14:14:09,010 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 14:14:09,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:14:09,011 INFO L85 PathProgramCache]: Analyzing trace with hash 349749640, now seen corresponding path program 1 times [2024-09-08 14:14:09,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:14:09,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518475356] [2024-09-08 14:14:09,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:14:09,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:14:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:14:09,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:14:09,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:14:09,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518475356] [2024-09-08 14:14:09,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518475356] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:14:09,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:14:09,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-08 14:14:09,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205261556] [2024-09-08 14:14:09,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:14:09,615 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 14:14:09,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:14:09,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 14:14:09,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 14:14:09,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:14:09,616 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:14:09,616 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2024-09-08 14:14:09,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:14:09,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:14:09,790 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-08 14:14:09,791 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 14:14:09,791 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:14:09,791 INFO L85 PathProgramCache]: Analyzing trace with hash 748437374, now seen corresponding path program 1 times [2024-09-08 14:14:09,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:14:09,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45572821] [2024-09-08 14:14:09,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:14:09,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:14:09,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:14:11,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:14:11,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:14:11,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45572821] [2024-09-08 14:14:11,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45572821] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:14:11,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:14:11,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-09-08 14:14:11,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336060899] [2024-09-08 14:14:11,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:14:11,707 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-08 14:14:11,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:14:11,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-08 14:14:11,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-09-08 14:14:11,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:14:11,709 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:14:11,709 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 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) [2024-09-08 14:14:11,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:14:11,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:14:12,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:14:12,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 14:14:12,235 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-08 14:14:12,235 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 14:14:12,235 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:14:12,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1412469396, now seen corresponding path program 1 times [2024-09-08 14:14:12,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:14:12,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109492662] [2024-09-08 14:14:12,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:14:12,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:14:12,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:14:13,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:14:13,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:14:13,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109492662] [2024-09-08 14:14:13,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109492662] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:14:13,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:14:13,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-09-08 14:14:13,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683540864] [2024-09-08 14:14:13,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:14:13,790 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-08 14:14:13,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:14:13,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-08 14:14:13,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-09-08 14:14:13,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:14:13,792 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:14:13,792 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.272727272727273) internal successors, (25), 11 states have internal predecessors, (25), 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) [2024-09-08 14:14:13,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:14:13,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 14:14:13,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:14:14,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:14:14,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 14:14:14,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:14:14,177 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-08 14:14:14,177 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 14:14:14,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:14:14,177 INFO L85 PathProgramCache]: Analyzing trace with hash -2130217501, now seen corresponding path program 1 times [2024-09-08 14:14:14,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:14:14,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953325864] [2024-09-08 14:14:14,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:14:14,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:14:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:14:14,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:14:14,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:14:14,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953325864] [2024-09-08 14:14:14,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953325864] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:14:14,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:14:14,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-08 14:14:14,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249216608] [2024-09-08 14:14:14,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:14:14,516 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 14:14:14,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:14:14,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 14:14:14,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-08 14:14:14,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:14:14,517 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:14:14,517 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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) [2024-09-08 14:14:14,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:14:14,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 14:14:14,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:14:14,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:14:14,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:14:14,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 14:14:14,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:14:14,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:14,689 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-09-08 14:14:14,689 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 14:14:14,689 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:14:14,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1622826244, now seen corresponding path program 1 times [2024-09-08 14:14:14,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:14:14,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257467222] [2024-09-08 14:14:14,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:14:14,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:14:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:14:14,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:14:14,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:14:14,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257467222] [2024-09-08 14:14:14,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257467222] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:14:14,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:14:14,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-08 14:14:14,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916862156] [2024-09-08 14:14:14,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:14:14,960 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-08 14:14:14,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:14:14,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-08 14:14:14,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-09-08 14:14:14,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:14:14,961 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:14:14,961 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 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) [2024-09-08 14:14:14,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:14:14,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 14:14:14,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:14:14,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:14,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:14:15,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:14:15,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 14:14:15,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:14:15,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:15,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:14:15,113 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-09-08 14:14:15,113 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 14:14:15,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:14:15,114 INFO L85 PathProgramCache]: Analyzing trace with hash -743256842, now seen corresponding path program 1 times [2024-09-08 14:14:15,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:14:15,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751233558] [2024-09-08 14:14:15,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:14:15,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:14:15,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:14:15,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:14:15,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:14:15,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751233558] [2024-09-08 14:14:15,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751233558] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:14:15,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:14:15,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-08 14:14:15,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784003560] [2024-09-08 14:14:15,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:14:15,383 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 14:14:15,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:14:15,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 14:14:15,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-08 14:14:15,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:14:15,384 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:14:15,384 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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) [2024-09-08 14:14:15,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:14:15,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 14:14:15,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:14:15,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:15,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:14:15,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:14:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:14:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 14:14:15,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:14:15,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:15,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:14:15,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:15,719 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-09-08 14:14:15,719 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 14:14:15,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:14:15,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1965567512, now seen corresponding path program 1 times [2024-09-08 14:14:15,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:14:15,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740034882] [2024-09-08 14:14:15,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:14:15,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:14:15,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:14:16,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:14:16,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:14:16,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740034882] [2024-09-08 14:14:16,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740034882] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:14:16,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:14:16,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-09-08 14:14:16,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253606207] [2024-09-08 14:14:16,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:14:16,956 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-08 14:14:16,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:14:16,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-08 14:14:16,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-09-08 14:14:16,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:14:16,958 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:14:16,958 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 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) [2024-09-08 14:14:16,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:14:16,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 14:14:16,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:14:16,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:16,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:14:16,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:16,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:14:17,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:14:17,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 14:14:17,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:14:17,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:17,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:14:17,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:17,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 14:14:17,542 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-09-08 14:14:17,542 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 14:14:17,543 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:14:17,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1322066322, now seen corresponding path program 1 times [2024-09-08 14:14:17,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:14:17,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090454584] [2024-09-08 14:14:17,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:14:17,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:14:17,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:14:18,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:14:18,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:14:18,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090454584] [2024-09-08 14:14:18,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090454584] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:14:18,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:14:18,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-09-08 14:14:18,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218165752] [2024-09-08 14:14:18,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:14:18,618 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-08 14:14:18,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:14:18,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-08 14:14:18,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-09-08 14:14:18,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:14:18,619 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:14:18,619 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 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) [2024-09-08 14:14:18,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:14:18,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 14:14:18,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:14:18,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:18,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:14:18,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:18,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 14:14:18,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:14:19,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:14:19,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 14:14:19,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:14:19,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:19,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:14:19,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:19,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 14:14:19,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:14:19,300 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-09-08 14:14:19,300 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 14:14:19,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:14:19,301 INFO L85 PathProgramCache]: Analyzing trace with hash 969912371, now seen corresponding path program 1 times [2024-09-08 14:14:19,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:14:19,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914100603] [2024-09-08 14:14:19,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:14:19,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:14:19,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:14:20,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:14:20,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:14:20,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914100603] [2024-09-08 14:14:20,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914100603] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:14:20,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:14:20,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-09-08 14:14:20,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670753898] [2024-09-08 14:14:20,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:14:20,905 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-09-08 14:14:20,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:14:20,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-09-08 14:14:20,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-09-08 14:14:20,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:14:20,906 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:14:20,906 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.9166666666666667) internal successors, (23), 12 states have internal predecessors, (23), 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) [2024-09-08 14:14:20,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:14:20,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 14:14:20,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:14:20,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:20,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:14:20,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:20,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 14:14:20,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:14:20,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:14:21,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:14:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 14:14:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:14:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:14:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 14:14:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:14:21,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 14:14:21,631 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-09-08 14:14:21,631 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 14:14:21,631 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:14:21,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1688331953, now seen corresponding path program 1 times [2024-09-08 14:14:21,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:14:21,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083660545] [2024-09-08 14:14:21,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:14:21,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:14:21,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:14:22,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:14:22,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:14:22,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083660545] [2024-09-08 14:14:22,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083660545] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:14:22,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:14:22,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-09-08 14:14:22,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902883540] [2024-09-08 14:14:22,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:14:22,760 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-09-08 14:14:22,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:14:22,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-09-08 14:14:22,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-09-08 14:14:22,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:14:22,761 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:14:22,761 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 states have internal predecessors, (19), 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) [2024-09-08 14:14:22,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:14:22,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 14:14:22,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:14:22,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:22,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:14:22,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:22,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 14:14:22,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:14:22,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 14:14:22,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:14:23,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:14:23,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 14:14:23,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:14:23,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:23,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:14:23,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:23,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 14:14:23,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:14:23,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 14:14:23,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:14:23,521 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-09-08 14:14:23,521 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 14:14:23,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:14:23,522 INFO L85 PathProgramCache]: Analyzing trace with hash 441867324, now seen corresponding path program 1 times [2024-09-08 14:14:23,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:14:23,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064373031] [2024-09-08 14:14:23,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:14:23,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:14:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:14:23,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:14:23,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:14:23,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064373031] [2024-09-08 14:14:23,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064373031] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:14:23,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:14:23,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-08 14:14:23,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092694357] [2024-09-08 14:14:23,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:14:23,942 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-08 14:14:23,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:14:23,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-08 14:14:23,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-09-08 14:14:23,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:14:23,943 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:14:23,943 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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) [2024-09-08 14:14:23,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:14:23,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 14:14:23,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:14:23,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:23,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:14:23,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:23,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 14:14:23,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:14:23,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 14:14:23,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:14:23,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:14:24,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:14:24,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 14:14:24,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:14:24,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:24,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:14:24,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:24,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 14:14:24,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:14:24,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 14:14:24,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:14:24,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:24,296 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-09-08 14:14:24,296 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 14:14:24,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:14:24,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1385148140, now seen corresponding path program 2 times [2024-09-08 14:14:24,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:14:24,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032997553] [2024-09-08 14:14:24,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:14:24,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:14:24,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:14:26,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:14:26,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:14:26,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032997553] [2024-09-08 14:14:26,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032997553] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:14:26,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:14:26,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-09-08 14:14:26,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039154465] [2024-09-08 14:14:26,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:14:26,704 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-09-08 14:14:26,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:14:26,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-09-08 14:14:26,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-09-08 14:14:26,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:14:26,705 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:14:26,705 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 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) [2024-09-08 14:14:26,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:14:26,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 14:14:26,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:14:26,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:26,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:14:26,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:26,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 14:14:26,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:14:26,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 14:14:26,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:14:26,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:26,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:14:27,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:14:27,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 14:14:27,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:14:27,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:27,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:14:27,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:27,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 14:14:27,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:14:27,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 14:14:27,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:14:27,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:27,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 14:14:27,470 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-09-08 14:14:27,470 INFO L399 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 14:14:27,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:14:27,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1723095506, now seen corresponding path program 1 times [2024-09-08 14:14:27,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:14:27,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390933659] [2024-09-08 14:14:27,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:14:27,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:14:27,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:14:28,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:14:28,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:14:28,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390933659] [2024-09-08 14:14:28,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390933659] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:14:28,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:14:28,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-09-08 14:14:28,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713215004] [2024-09-08 14:14:28,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:14:28,719 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-09-08 14:14:28,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:14:28,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-09-08 14:14:28,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-09-08 14:14:28,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:14:28,720 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:14:28,720 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 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) [2024-09-08 14:14:28,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:14:28,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 14:14:28,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:14:28,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:28,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:14:28,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:28,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 14:14:28,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:14:28,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 14:14:28,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:14:28,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:28,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 14:14:28,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:14:29,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:14:29,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 14:14:29,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:14:29,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:29,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:14:29,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:29,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 14:14:29,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:14:29,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 14:14:29,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:14:29,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:29,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 14:14:29,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 14:14:29,169 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-09-08 14:14:29,169 INFO L399 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 14:14:29,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:14:29,170 INFO L85 PathProgramCache]: Analyzing trace with hash -94226480, now seen corresponding path program 1 times [2024-09-08 14:14:29,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:14:29,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462622506] [2024-09-08 14:14:29,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:14:29,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:14:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:14:29,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:14:29,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:14:29,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462622506] [2024-09-08 14:14:29,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462622506] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:14:29,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:14:29,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-08 14:14:29,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165787932] [2024-09-08 14:14:29,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:14:29,841 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-08 14:14:29,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:14:29,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-08 14:14:29,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-09-08 14:14:29,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:14:29,843 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:14:29,843 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 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) [2024-09-08 14:14:29,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:14:29,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 14:14:29,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:14:29,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:29,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:14:29,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:29,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 14:14:29,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:14:29,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 14:14:29,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:14:29,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:29,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 14:14:29,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 14:14:29,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:14:30,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:14:30,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 14:14:30,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:14:30,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:30,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:14:30,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:30,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 14:14:30,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:14:30,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 14:14:30,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:14:30,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:30,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 14:14:30,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 14:14:30,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:14:30,551 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-09-08 14:14:30,551 INFO L399 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 14:14:30,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:14:30,551 INFO L85 PathProgramCache]: Analyzing trace with hash -2074309232, now seen corresponding path program 1 times [2024-09-08 14:14:30,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:14:30,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727509186] [2024-09-08 14:14:30,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:14:30,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:14:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:14:31,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:14:31,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:14:31,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727509186] [2024-09-08 14:14:31,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727509186] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:14:31,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:14:31,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-09-08 14:14:31,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521033300] [2024-09-08 14:14:31,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:14:31,511 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-08 14:14:31,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:14:31,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-08 14:14:31,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-09-08 14:14:31,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:14:31,511 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:14:31,511 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 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) [2024-09-08 14:14:31,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:14:31,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 14:14:31,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:14:31,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:31,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:14:31,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:31,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 14:14:31,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:14:31,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 14:14:31,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:14:31,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:31,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 14:14:31,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 14:14:31,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:14:31,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:14:31,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:14:31,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 14:14:31,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:14:31,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:31,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:14:31,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:31,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 14:14:31,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:14:31,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 14:14:31,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:14:31,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:31,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 14:14:31,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 14:14:31,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:14:31,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 14:14:31,818 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-09-08 14:14:31,818 INFO L399 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 14:14:31,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:14:31,819 INFO L85 PathProgramCache]: Analyzing trace with hash 620042750, now seen corresponding path program 2 times [2024-09-08 14:14:31,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:14:31,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804574422] [2024-09-08 14:14:31,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:14:31,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:14:31,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:14:32,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:14:32,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:14:32,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804574422] [2024-09-08 14:14:32,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804574422] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:14:32,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:14:32,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-09-08 14:14:32,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093619509] [2024-09-08 14:14:32,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:14:32,856 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-08 14:14:32,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:14:32,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-08 14:14:32,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-09-08 14:14:32,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:14:32,856 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:14:32,857 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 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) [2024-09-08 14:14:32,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:14:32,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 14:14:32,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:14:32,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:32,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:14:32,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:32,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 14:14:32,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:14:32,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 14:14:32,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:14:32,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:32,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 14:14:32,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 14:14:32,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:14:32,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 14:14:32,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:14:33,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:14:33,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 14:14:33,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:14:33,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:33,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:14:33,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:33,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 14:14:33,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:14:33,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 14:14:33,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:14:33,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:33,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 14:14:33,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 14:14:33,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:14:33,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 14:14:33,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:14:33,566 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-09-08 14:14:33,566 INFO L399 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 14:14:33,567 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:14:33,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1490365966, now seen corresponding path program 3 times [2024-09-08 14:14:33,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:14:33,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980195607] [2024-09-08 14:14:33,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:14:33,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:14:33,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:14:34,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:14:34,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:14:34,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980195607] [2024-09-08 14:14:34,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980195607] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:14:34,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:14:34,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-09-08 14:14:34,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642173632] [2024-09-08 14:14:34,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:14:34,407 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-08 14:14:34,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:14:34,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-08 14:14:34,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-09-08 14:14:34,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:14:34,408 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:14:34,408 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 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) [2024-09-08 14:14:34,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:14:34,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 14:14:34,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:14:34,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:34,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:14:34,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:34,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 14:14:34,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:14:34,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 14:14:34,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:14:34,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:34,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 14:14:34,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 14:14:34,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:14:34,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 14:14:34,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:14:34,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:14:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:14:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 14:14:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:14:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:14:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 14:14:35,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:14:35,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 14:14:35,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:14:35,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:35,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 14:14:35,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 14:14:35,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:14:35,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 14:14:35,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:14:35,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:14:35,257 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-09-08 14:14:35,257 INFO L399 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 14:14:35,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:14:35,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1619388308, now seen corresponding path program 1 times [2024-09-08 14:14:35,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:14:35,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211074713] [2024-09-08 14:14:35,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:14:35,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:14:35,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:14:35,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:14:35,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:14:35,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211074713] [2024-09-08 14:14:35,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211074713] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:14:35,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:14:35,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-08 14:14:35,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258728065] [2024-09-08 14:14:35,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:14:35,803 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-08 14:14:35,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:14:35,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-08 14:14:35,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-09-08 14:14:35,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:14:35,804 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:14:35,804 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 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) [2024-09-08 14:14:35,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:14:35,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 14:14:35,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:14:35,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:35,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:14:35,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:35,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 14:14:35,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:14:35,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 14:14:35,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:14:35,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:35,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 14:14:35,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 14:14:35,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:14:35,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 14:14:35,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:14:35,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:14:35,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:14:36,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:14:36,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 14:14:36,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:14:36,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:36,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:14:36,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:36,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 14:14:36,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:14:36,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 14:14:36,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:14:36,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:14:36,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 14:14:36,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 14:14:36,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:14:36,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 14:14:36,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:14:36,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:14:36,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:14:36,120 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-09-08 14:14:36,120 INFO L399 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 14:14:36,120 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:14:36,120 INFO L85 PathProgramCache]: Analyzing trace with hash -271733946, now seen corresponding path program 4 times [2024-09-08 14:14:36,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:14:36,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418580511] [2024-09-08 14:14:36,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:14:36,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:14:36,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-09-08 14:14:36,157 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-09-08 14:14:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-09-08 14:14:36,228 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-09-08 14:14:36,228 INFO L326 BasicCegarLoop]: Counterexample is feasible [2024-09-08 14:14:36,228 INFO L785 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2024-09-08 14:14:36,229 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 7 remaining) [2024-09-08 14:14:36,229 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 7 remaining) [2024-09-08 14:14:36,229 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 7 remaining) [2024-09-08 14:14:36,229 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-09-08 14:14:36,229 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2024-09-08 14:14:36,229 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 7 remaining) [2024-09-08 14:14:36,229 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-09-08 14:14:36,232 INFO L408 BasicCegarLoop]: Path program histogram: [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-08 14:14:36,233 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (2/2) [2024-09-08 14:14:36,315 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-08 14:14:36,315 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-08 14:14:36,318 INFO L469 ceAbstractionStarter]: Automizer considered 3 witness invariants [2024-09-08 14:14:36,318 INFO L470 ceAbstractionStarter]: WitnessConsidered=3 [2024-09-08 14:14:36,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 02:14:36 BasicIcfg [2024-09-08 14:14:36,319 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-08 14:14:36,320 INFO L158 Benchmark]: Toolchain (without parser) took 32224.69ms. Allocated memory was 163.6MB in the beginning and 926.9MB in the end (delta: 763.4MB). Free memory was 107.0MB in the beginning and 540.3MB in the end (delta: -433.3MB). Peak memory consumption was 332.2MB. Max. memory is 16.1GB. [2024-09-08 14:14:36,322 INFO L158 Benchmark]: Witness Parser took 0.25ms. Allocated memory is still 163.6MB. Free memory is still 131.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 14:14:36,322 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 163.6MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 14:14:36,322 INFO L158 Benchmark]: CACSL2BoogieTranslator took 671.34ms. Allocated memory is still 163.6MB. Free memory was 107.0MB in the beginning and 72.7MB in the end (delta: 34.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-09-08 14:14:36,322 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.48ms. Allocated memory is still 163.6MB. Free memory was 72.7MB in the beginning and 69.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-08 14:14:36,322 INFO L158 Benchmark]: Boogie Preprocessor took 46.20ms. Allocated memory is still 163.6MB. Free memory was 69.3MB in the beginning and 67.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-08 14:14:36,323 INFO L158 Benchmark]: RCFGBuilder took 833.09ms. Allocated memory was 163.6MB in the beginning and 220.2MB in the end (delta: 56.6MB). Free memory was 67.2MB in the beginning and 151.5MB in the end (delta: -84.4MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2024-09-08 14:14:36,323 INFO L158 Benchmark]: TraceAbstraction took 30606.34ms. Allocated memory was 220.2MB in the beginning and 926.9MB in the end (delta: 706.7MB). Free memory was 150.5MB in the beginning and 540.3MB in the end (delta: -389.9MB). Peak memory consumption was 317.9MB. Max. memory is 16.1GB. [2024-09-08 14:14:36,324 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.25ms. Allocated memory is still 163.6MB. Free memory is still 131.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 163.6MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 671.34ms. Allocated memory is still 163.6MB. Free memory was 107.0MB in the beginning and 72.7MB in the end (delta: 34.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.48ms. Allocated memory is still 163.6MB. Free memory was 72.7MB in the beginning and 69.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.20ms. Allocated memory is still 163.6MB. Free memory was 69.3MB in the beginning and 67.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 833.09ms. Allocated memory was 163.6MB in the beginning and 220.2MB in the end (delta: 56.6MB). Free memory was 67.2MB in the beginning and 151.5MB in the end (delta: -84.4MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. * TraceAbstraction took 30606.34ms. Allocated memory was 220.2MB in the beginning and 926.9MB in the end (delta: 706.7MB). Free memory was 150.5MB in the beginning and 540.3MB in the end (delta: -389.9MB). Peak memory consumption was 317.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5917, independent: 5321, independent conditional: 4486, independent unconditional: 835, dependent: 596, dependent conditional: 530, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5779, independent: 5321, independent conditional: 4486, independent unconditional: 835, dependent: 458, dependent conditional: 392, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5779, independent: 5321, independent conditional: 4486, independent unconditional: 835, dependent: 458, dependent conditional: 392, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6322, independent: 5321, independent conditional: 4486, independent unconditional: 835, dependent: 1001, dependent conditional: 935, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6322, independent: 5321, independent conditional: 151, independent unconditional: 5170, dependent: 1001, dependent conditional: 217, dependent unconditional: 784, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6322, independent: 5321, independent conditional: 151, independent unconditional: 5170, dependent: 1001, dependent conditional: 217, dependent unconditional: 784, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 929, independent: 848, independent conditional: 5, independent unconditional: 843, dependent: 81, dependent conditional: 11, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 929, independent: 802, independent conditional: 0, independent unconditional: 802, dependent: 127, dependent conditional: 0, dependent unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 127, independent: 46, independent conditional: 5, independent unconditional: 41, dependent: 81, dependent conditional: 11, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 127, independent: 46, independent conditional: 5, independent unconditional: 41, dependent: 81, dependent conditional: 11, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1283, independent: 396, independent conditional: 79, independent unconditional: 317, dependent: 887, dependent conditional: 173, dependent unconditional: 714, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6322, independent: 4473, independent conditional: 146, independent unconditional: 4327, dependent: 920, dependent conditional: 206, dependent unconditional: 714, unknown: 929, unknown conditional: 16, unknown unconditional: 913] , Statistics on independence cache: Total cache size (in pairs): 929, Positive cache size: 848, Positive conditional cache size: 5, Positive unconditional cache size: 843, Negative cache size: 81, Negative conditional cache size: 11, Negative unconditional cache size: 70, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5053, Maximal queried relation: 1, Independence queries for same thread: 138, Persistent sets #1 benchmarks: Persistent set computation time: 1.1s, Number of persistent set computation: 700, Number of trivial persistent sets: 252, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 901, independent: 835, independent conditional: 0, independent unconditional: 835, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5917, independent: 5321, independent conditional: 4486, independent unconditional: 835, dependent: 596, dependent conditional: 530, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5779, independent: 5321, independent conditional: 4486, independent unconditional: 835, dependent: 458, dependent conditional: 392, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5779, independent: 5321, independent conditional: 4486, independent unconditional: 835, dependent: 458, dependent conditional: 392, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6322, independent: 5321, independent conditional: 4486, independent unconditional: 835, dependent: 1001, dependent conditional: 935, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6322, independent: 5321, independent conditional: 151, independent unconditional: 5170, dependent: 1001, dependent conditional: 217, dependent unconditional: 784, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6322, independent: 5321, independent conditional: 151, independent unconditional: 5170, dependent: 1001, dependent conditional: 217, dependent unconditional: 784, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 929, independent: 848, independent conditional: 5, independent unconditional: 843, dependent: 81, dependent conditional: 11, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 929, independent: 802, independent conditional: 0, independent unconditional: 802, dependent: 127, dependent conditional: 0, dependent unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 127, independent: 46, independent conditional: 5, independent unconditional: 41, dependent: 81, dependent conditional: 11, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 127, independent: 46, independent conditional: 5, independent unconditional: 41, dependent: 81, dependent conditional: 11, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1283, independent: 396, independent conditional: 79, independent unconditional: 317, dependent: 887, dependent conditional: 173, dependent unconditional: 714, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6322, independent: 4473, independent conditional: 146, independent unconditional: 4327, dependent: 920, dependent conditional: 206, dependent unconditional: 714, unknown: 929, unknown conditional: 16, unknown unconditional: 913] , Statistics on independence cache: Total cache size (in pairs): 929, Positive cache size: 848, Positive conditional cache size: 5, Positive unconditional cache size: 843, Negative cache size: 81, Negative conditional cache size: 11, Negative unconditional cache size: 70, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5053, Maximal queried relation: 1, Independence queries for same thread: 138 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 44036, independent: 41179, independent conditional: 40427, independent unconditional: 752, dependent: 2857, dependent conditional: 2793, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 42491, independent: 41179, independent conditional: 40427, independent unconditional: 752, dependent: 1312, dependent conditional: 1248, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 42491, independent: 41179, independent conditional: 40427, independent unconditional: 752, dependent: 1312, dependent conditional: 1248, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 52307, independent: 41179, independent conditional: 40427, independent unconditional: 752, dependent: 11128, dependent conditional: 11064, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 52307, independent: 41179, independent conditional: 2276, independent unconditional: 38903, dependent: 11128, dependent conditional: 4135, dependent unconditional: 6993, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 52307, independent: 41179, independent conditional: 2276, independent unconditional: 38903, dependent: 11128, dependent conditional: 4135, dependent unconditional: 6993, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1047, independent: 837, independent conditional: 74, independent unconditional: 763, dependent: 210, dependent conditional: 145, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1047, independent: 716, independent conditional: 0, independent unconditional: 716, dependent: 331, dependent conditional: 0, dependent unconditional: 331, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 331, independent: 121, independent conditional: 74, independent unconditional: 47, dependent: 210, dependent conditional: 145, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 331, independent: 121, independent conditional: 74, independent unconditional: 47, dependent: 210, dependent conditional: 145, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1606, independent: 550, independent conditional: 316, independent unconditional: 234, dependent: 1056, dependent conditional: 635, dependent unconditional: 420, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 52307, independent: 40342, independent conditional: 2202, independent unconditional: 38140, dependent: 10918, dependent conditional: 3990, dependent unconditional: 6928, unknown: 1047, unknown conditional: 219, unknown unconditional: 828] , Statistics on independence cache: Total cache size (in pairs): 1047, Positive cache size: 837, Positive conditional cache size: 74, Positive unconditional cache size: 763, Negative cache size: 210, Negative conditional cache size: 145, Negative unconditional cache size: 65, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 45080, Maximal queried relation: 9, Independence queries for same thread: 1545, Persistent sets #1 benchmarks: Persistent set computation time: 0.7s, Number of persistent set computation: 770, Number of trivial persistent sets: 466, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 816, independent: 752, independent conditional: 0, independent unconditional: 752, dependent: 64, dependent conditional: 0, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 44036, independent: 41179, independent conditional: 40427, independent unconditional: 752, dependent: 2857, dependent conditional: 2793, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 42491, independent: 41179, independent conditional: 40427, independent unconditional: 752, dependent: 1312, dependent conditional: 1248, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 42491, independent: 41179, independent conditional: 40427, independent unconditional: 752, dependent: 1312, dependent conditional: 1248, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 52307, independent: 41179, independent conditional: 40427, independent unconditional: 752, dependent: 11128, dependent conditional: 11064, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 52307, independent: 41179, independent conditional: 2276, independent unconditional: 38903, dependent: 11128, dependent conditional: 4135, dependent unconditional: 6993, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 52307, independent: 41179, independent conditional: 2276, independent unconditional: 38903, dependent: 11128, dependent conditional: 4135, dependent unconditional: 6993, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1047, independent: 837, independent conditional: 74, independent unconditional: 763, dependent: 210, dependent conditional: 145, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1047, independent: 716, independent conditional: 0, independent unconditional: 716, dependent: 331, dependent conditional: 0, dependent unconditional: 331, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 331, independent: 121, independent conditional: 74, independent unconditional: 47, dependent: 210, dependent conditional: 145, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 331, independent: 121, independent conditional: 74, independent unconditional: 47, dependent: 210, dependent conditional: 145, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1606, independent: 550, independent conditional: 316, independent unconditional: 234, dependent: 1056, dependent conditional: 635, dependent unconditional: 420, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 52307, independent: 40342, independent conditional: 2202, independent unconditional: 38140, dependent: 10918, dependent conditional: 3990, dependent unconditional: 6928, unknown: 1047, unknown conditional: 219, unknown unconditional: 828] , Statistics on independence cache: Total cache size (in pairs): 1047, Positive cache size: 837, Positive conditional cache size: 74, Positive unconditional cache size: 763, Negative cache size: 210, Negative conditional cache size: 145, Negative unconditional cache size: 65, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 45080, Maximal queried relation: 9, Independence queries for same thread: 1545 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L710] 0 _Bool main$tmp_guard0; [L711] 0 _Bool main$tmp_guard1; [L713] 0 int x = 0; [L715] 0 int y = 0; [L716] 0 _Bool y$flush_delayed; [L717] 0 int y$mem_tmp; [L718] 0 _Bool y$r_buff0_thd0; [L719] 0 _Bool y$r_buff0_thd1; [L720] 0 _Bool y$r_buff0_thd2; [L721] 0 _Bool y$r_buff0_thd3; [L722] 0 _Bool y$r_buff1_thd0; [L723] 0 _Bool y$r_buff1_thd1; [L724] 0 _Bool y$r_buff1_thd2; [L725] 0 _Bool y$r_buff1_thd3; [L726] 0 _Bool y$read_delayed; [L727] 0 int *y$read_delayed_var; [L728] 0 int y$w_buff0; [L729] 0 _Bool y$w_buff0_used; [L730] 0 int y$w_buff1; [L731] 0 _Bool y$w_buff1_used; [L733] 0 int z = 0; [L734] 0 _Bool weak$$choice0; [L735] 0 _Bool weak$$choice2; [L1] 0 //@ ghost int multithreaded = 0; [L811] 0 pthread_t t2492; [L812] 0 //@ ghost multithreaded = 1; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, t2492=-2, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L812] FCALL, FORK 0 pthread_create(&t2492, ((void *)0), P0, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, t2492=-2, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L813] 0 pthread_t t2493; VAL [\old(arg)={0:0}, __unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, t2492=-2, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L814] 0 //@ assert ((((((((((((((((!multithreaded || (y$r_buff1_thd0 == (_Bool) 0)) && (!multithreaded || (((x == 0) || (x == 1)) || (x == 2)))) && (!multithreaded || ((y$w_buff0 == 0) || (y$w_buff0 == 2)))) && (!multithreaded || (y$r_buff0_thd1 == (_Bool) 0))) && (!multithreaded || (y$r_buff0_thd0 == (_Bool) 0))) && (!multithreaded || (y$flush_delayed == (_Bool) 0))) && (!multithreaded || (y$r_buff0_thd2 == (_Bool) 0))) && (!multithreaded || (y$r_buff1_thd1 == (_Bool) 0))) && (!multithreaded || (((z == 0) || (z == 1)) || (z == 2)))) && (!multithreaded || ((y$w_buff1 == 0) || (y$w_buff1 == 2)))) && (!multithreaded || (0 <= __unbuffered_cnt))) && (!multithreaded || (y$read_delayed_var == 0))) && (!multithreaded || (y$r_buff1_thd2 == (_Bool) 0))) && (!multithreaded || (y$read_delayed == (_Bool) 0))) && (!multithreaded || (((y == 0) || (y == 1)) || (y == 2)))) && (!multithreaded || (((y$mem_tmp == 0) || (y$mem_tmp == 1)) || (y$mem_tmp == 2)))); VAL [\old(arg)={0:0}, __unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, t2492=-2, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L814] FCALL, FORK 0 pthread_create(&t2493, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, t2492=-2, t2493=-1, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L815] 0 pthread_t t2494; VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2492=-2, t2493=-1, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L816] 0 //@ assert ((((((((((((((((!multithreaded || (y$r_buff1_thd0 == (_Bool) 0)) && (!multithreaded || (((x == 0) || (x == 1)) || (x == 2)))) && (!multithreaded || ((y$w_buff0 == 0) || (y$w_buff0 == 2)))) && (!multithreaded || (y$r_buff0_thd1 == (_Bool) 0))) && (!multithreaded || (y$r_buff0_thd0 == (_Bool) 0))) && (!multithreaded || (y$flush_delayed == (_Bool) 0))) && (!multithreaded || (y$r_buff0_thd2 == (_Bool) 0))) && (!multithreaded || (y$r_buff1_thd1 == (_Bool) 0))) && (!multithreaded || (((z == 0) || (z == 1)) || (z == 2)))) && (!multithreaded || ((y$w_buff1 == 0) || (y$w_buff1 == 2)))) && (!multithreaded || (0 <= __unbuffered_cnt))) && (!multithreaded || (y$read_delayed_var == 0))) && (!multithreaded || (y$r_buff1_thd2 == (_Bool) 0))) && (!multithreaded || (y$read_delayed == (_Bool) 0))) && (!multithreaded || (((y == 0) || (y == 1)) || (y == 2)))) && (!multithreaded || (((y$mem_tmp == 0) || (y$mem_tmp == 1)) || (y$mem_tmp == 2)))); VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2492=-2, t2493=-1, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L816] FCALL, FORK 0 pthread_create(&t2494, ((void *)0), P2, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2492=-2, t2493=-1, t2494=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L774] 3 y$w_buff1 = y$w_buff0 [L775] 3 y$w_buff0 = 2 [L776] 3 y$w_buff1_used = y$w_buff0_used [L777] 3 y$w_buff0_used = (_Bool)1 [L778] CALL 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L18] COND FALSE 3 !(!expression) [L778] RET 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L779] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L780] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L781] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L782] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L783] 3 y$r_buff0_thd3 = (_Bool)1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L786] 3 z = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=1] [L817] 0 //@ assert ((((((((((((((((!multithreaded || (y$r_buff1_thd0 == (_Bool) 0)) && (!multithreaded || (((x == 0) || (x == 1)) || (x == 2)))) && (!multithreaded || ((y$w_buff0 == 0) || (y$w_buff0 == 2)))) && (!multithreaded || (y$r_buff0_thd1 == (_Bool) 0))) && (!multithreaded || (y$r_buff0_thd0 == (_Bool) 0))) && (!multithreaded || (y$flush_delayed == (_Bool) 0))) && (!multithreaded || (y$r_buff0_thd2 == (_Bool) 0))) && (!multithreaded || (y$r_buff1_thd1 == (_Bool) 0))) && (!multithreaded || (((z == 0) || (z == 1)) || (z == 2)))) && (!multithreaded || ((y$w_buff1 == 0) || (y$w_buff1 == 2)))) && (!multithreaded || (0 <= __unbuffered_cnt))) && (!multithreaded || (y$read_delayed_var == 0))) && (!multithreaded || (y$r_buff1_thd2 == (_Bool) 0))) && (!multithreaded || (y$read_delayed == (_Bool) 0))) && (!multithreaded || (((y == 0) || (y == 1)) || (y == 2)))) && (!multithreaded || (((y$mem_tmp == 0) || (y$mem_tmp == 1)) || (y$mem_tmp == 2)))); VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2492=-2, t2493=-1, t2494=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=1] [L739] 1 z = 2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=2] [L742] 1 x = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=2] [L754] 2 x = 2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=2] [L757] 2 y = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=1, z=2] [L760] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L761] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L762] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L763] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L764] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=1, z=2] [L767] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=1, z=2] [L769] 2 return 0; [L789] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L790] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L791] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L792] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L793] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L796] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=2, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L798] 3 return 0; [L747] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=3, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L818] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=3, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2492=-2, t2493=-1, t2494=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L820] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L820] RET 0 assume_abort_if_not(main$tmp_guard0) [L822] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L823] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L824] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L825] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L826] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=3, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2492=-2, t2493=-1, t2494=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L829] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L830] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L831] 0 y$flush_delayed = weak$$choice2 [L832] 0 y$mem_tmp = y [L833] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L834] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L835] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L836] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L837] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L838] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L839] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L840] 0 main$tmp_guard1 = !(x == 2 && y == 2 && z == 2) [L841] 0 y = y$flush_delayed ? y$mem_tmp : y [L842] 0 y$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=3, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2492=-2, t2493=-1, t2494=0, weak$$choice0=1, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L844] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(expression)=0, \result={0:0}, __unbuffered_cnt=3, arg={0:0}, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L18] 0 reach_error() VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(expression)=0, \result={0:0}, __unbuffered_cnt=3, arg={0:0}, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] - UnprovableResult [Line: 814]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 816]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 817]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 816]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 812]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 814]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P2Thread1of1ForFork0 with 1 thread instances CFG has 7 procedures, 73 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 134 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 73 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 27.3s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 9.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 149, 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, 0.4s SatisfiabilityAnalysisTime, 17.6s InterpolantComputationTime, 455 NumberOfCodeBlocks, 455 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 400 ConstructedInterpolants, 0 QuantifiedInterpolants, 15337 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate proved your program to be incorrect! [2024-09-08 14:14:36,360 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2024-09-08 14:14:36,560 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-09-08 14:14:36,762 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE