./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/rfi000_tso.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-09-02_08-21-23.files/protection-ghost/rfi000_tso.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/rfi000_tso.i ./goblint.2024-09-02_08-21-23.files/protection-ghost/rfi000_tso.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 --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m [2024-09-08 00:14:40,763 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 00:14:40,822 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-08 00:14:40,829 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 00:14:40,831 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 00:14:40,859 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 00:14:40,861 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 00:14:40,861 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 00:14:40,862 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 00:14:40,862 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 00:14:40,863 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 00:14:40,863 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 00:14:40,863 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 00:14:40,864 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 00:14:40,865 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 00:14:40,865 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 00:14:40,867 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-08 00:14:40,870 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 00:14:40,870 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 00:14:40,870 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 00:14:40,871 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 00:14:40,873 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 00:14:40,873 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 00:14:40,874 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 00:14:40,874 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 00:14:40,874 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 00:14:40,875 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 00:14:40,875 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 00:14:40,875 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 00:14:40,875 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 00:14:40,875 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 00:14:40,876 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 00:14:40,876 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 00:14:40,876 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 00:14:40,878 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-08 00:14:40,878 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 00:14:40,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-08 00:14:40,879 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 00:14:40,879 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 00:14:40,880 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 00:14:40,880 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 00:14:40,880 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-08 00:14:41,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 00:14:41,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 00:14:41,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 00:14:41,187 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 00:14:41,187 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 00:14:41,189 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi000_tso.i [2024-09-08 00:14:42,779 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 00:14:43,082 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 00:14:43,083 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi000_tso.i [2024-09-08 00:14:43,098 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/95b8b2dac/b4d513b071874adfab1fc89b3cead334/FLAGec58eb53d [2024-09-08 00:14:43,351 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/95b8b2dac/b4d513b071874adfab1fc89b3cead334 [2024-09-08 00:14:43,354 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-08 00:14:43,355 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-08 00:14:43,355 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/protection-ghost/rfi000_tso.yml/witness.yml [2024-09-08 00:14:43,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 00:14:43,467 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-08 00:14:43,470 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 00:14:43,470 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 00:14:43,475 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 00:14:43,476 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 12:14:43" (1/2) ... [2024-09-08 00:14:43,477 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5facd1b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:14:43, skipping insertion in model container [2024-09-08 00:14:43,477 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 12:14:43" (1/2) ... [2024-09-08 00:14:43,479 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1e915d66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:14:43, skipping insertion in model container [2024-09-08 00:14:43,479 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 12:14:43" (2/2) ... [2024-09-08 00:14:43,480 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5facd1b7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:14:43, skipping insertion in model container [2024-09-08 00:14:43,480 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 12:14:43" (2/2) ... [2024-09-08 00:14:43,544 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-08 00:14:43,545 INFO L1541 ArrayList]: Location invariant before [L830-L830] ((((((((((((((! multithreaded || y$read_delayed == (_Bool)0) && (! multithreaded || ((__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1) || __unbuffered_p1_EBX == 2))) && (! multithreaded || y$r_buff1_thd1 == (_Bool)0)) && (! multithreaded || ((y == 0 || y == 1) || y == 2))) && (! multithreaded || y$read_delayed_var == 0)) && (! multithreaded || ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2))) && (! multithreaded || y$r_buff1_thd0 == (_Bool)0)) && (! multithreaded || y$r_buff0_thd0 == (_Bool)0)) && (! multithreaded || ((y$mem_tmp == 0 || y$mem_tmp == 1) || y$mem_tmp == 2))) && (! multithreaded || y$r_buff0_thd1 == (_Bool)0)) && (! multithreaded || (y$w_buff1 == 0 || y$w_buff1 == 1))) && (! multithreaded || 0 <= __unbuffered_cnt)) && (! multithreaded || (y$w_buff0 == 0 || y$w_buff0 == 1))) && (! multithreaded || y$flush_delayed == (_Bool)0)) && (! multithreaded || ((x == 0 || x == 1) || x == 2)) [2024-09-08 00:14:43,545 INFO L1541 ArrayList]: Location invariant before [L829-L829] ((((((((((((((! multithreaded || y$read_delayed == (_Bool)0) && (! multithreaded || ((__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1) || __unbuffered_p1_EBX == 2))) && (! multithreaded || y$r_buff1_thd1 == (_Bool)0)) && (! multithreaded || ((y == 0 || y == 1) || y == 2))) && (! multithreaded || y$read_delayed_var == 0)) && (! multithreaded || ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2))) && (! multithreaded || y$r_buff1_thd0 == (_Bool)0)) && (! multithreaded || y$r_buff0_thd0 == (_Bool)0)) && (! multithreaded || ((y$mem_tmp == 0 || y$mem_tmp == 1) || y$mem_tmp == 2))) && (! multithreaded || y$r_buff0_thd1 == (_Bool)0)) && (! multithreaded || (y$w_buff1 == 0 || y$w_buff1 == 1))) && (! multithreaded || 0 <= __unbuffered_cnt)) && (! multithreaded || (y$w_buff0 == 0 || y$w_buff0 == 1))) && (! multithreaded || y$flush_delayed == (_Bool)0)) && (! multithreaded || ((x == 0 || x == 1) || x == 2)) [2024-09-08 00:14:43,545 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-08 00:14:43,545 INFO L1541 ArrayList]: ghost_update [L827-L827] multithreaded = 1; [2024-09-08 00:14:43,597 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 00:14:44,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 00:14:44,053 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-08 00:14:44,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 00:14:44,194 INFO L204 MainTranslator]: Completed translation [2024-09-08 00:14:44,195 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:14:44 WrapperNode [2024-09-08 00:14:44,196 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 00:14:44,197 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-08 00:14:44,199 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-08 00:14:44,199 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-08 00:14:44,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:14:44" (1/1) ... [2024-09-08 00:14:44,232 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:14:44" (1/1) ... [2024-09-08 00:14:44,285 INFO L138 Inliner]: procedures = 174, calls = 38, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 178 [2024-09-08 00:14:44,285 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-08 00:14:44,286 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-08 00:14:44,286 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-08 00:14:44,287 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-08 00:14:44,300 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:14:44" (1/1) ... [2024-09-08 00:14:44,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:14:44" (1/1) ... [2024-09-08 00:14:44,306 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:14:44" (1/1) ... [2024-09-08 00:14:44,310 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:14:44" (1/1) ... [2024-09-08 00:14:44,320 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:14:44" (1/1) ... [2024-09-08 00:14:44,326 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:14:44" (1/1) ... [2024-09-08 00:14:44,328 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:14:44" (1/1) ... [2024-09-08 00:14:44,334 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:14:44" (1/1) ... [2024-09-08 00:14:44,343 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-08 00:14:44,344 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-08 00:14:44,344 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-08 00:14:44,344 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-08 00:14:44,350 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:14:44" (1/1) ... [2024-09-08 00:14:44,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 00:14:44,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 00:14:44,392 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 00:14:44,398 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 00:14:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-08 00:14:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-08 00:14:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-09-08 00:14:44,444 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-09-08 00:14:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-09-08 00:14:44,445 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-09-08 00:14:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-08 00:14:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-08 00:14:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-08 00:14:44,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-08 00:14:44,448 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 00:14:44,604 INFO L242 CfgBuilder]: Building ICFG [2024-09-08 00:14:44,606 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-08 00:14:45,069 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-08 00:14:45,073 INFO L291 CfgBuilder]: Performing block encoding [2024-09-08 00:14:45,346 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-08 00:14:45,347 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-08 00:14:45,348 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 12:14:45 BoogieIcfgContainer [2024-09-08 00:14:45,348 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-08 00:14:45,352 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-08 00:14:45,353 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-08 00:14:45,356 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-08 00:14:45,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 12:14:43" (1/4) ... [2024-09-08 00:14:45,358 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@267382f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 12:14:45, skipping insertion in model container [2024-09-08 00:14:45,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 12:14:43" (2/4) ... [2024-09-08 00:14:45,358 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@267382f1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 12:14:45, skipping insertion in model container [2024-09-08 00:14:45,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:14:44" (3/4) ... [2024-09-08 00:14:45,359 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@267382f1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 12:14:45, skipping insertion in model container [2024-09-08 00:14:45,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 12:14:45" (4/4) ... [2024-09-08 00:14:45,360 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi000_tso.i [2024-09-08 00:14:45,381 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-08 00:14:45,382 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-09-08 00:14:45,382 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-08 00:14:45,454 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-09-08 00:14:45,501 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 00:14:45,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 00:14:45,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 00:14:45,505 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 00:14:45,507 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 00:14:45,548 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 00:14:45,561 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-08 00:14:45,570 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;@3c12454b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 00:14:45,570 INFO L337 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-09-08 00:14:45,810 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-08 00:14:45,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 00:14:45,817 INFO L85 PathProgramCache]: Analyzing trace with hash 408488340, now seen corresponding path program 1 times [2024-09-08 00:14:45,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 00:14:45,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807038637] [2024-09-08 00:14:45,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 00:14:45,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 00:14:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 00:14:46,833 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 00:14:46,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 00:14:46,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807038637] [2024-09-08 00:14:46,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807038637] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 00:14:46,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 00:14:46,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-08 00:14:46,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661855952] [2024-09-08 00:14:46,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 00:14:46,844 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 00:14:46,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 00:14:46,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 00:14:46,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 00:14:46,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:14:46,877 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 00:14:46,879 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 00:14:46,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:14:47,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 00:14:47,167 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-08 00:14:47,167 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-08 00:14:47,168 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 00:14:47,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1118277689, now seen corresponding path program 1 times [2024-09-08 00:14:47,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 00:14:47,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067647150] [2024-09-08 00:14:47,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 00:14:47,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 00:14:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 00:14:51,109 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 00:14:51,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 00:14:51,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067647150] [2024-09-08 00:14:51,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067647150] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 00:14:51,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 00:14:51,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-09-08 00:14:51,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448756742] [2024-09-08 00:14:51,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 00:14:51,113 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-08 00:14:51,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 00:14:51,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-08 00:14:51,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-09-08 00:14:51,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:14:51,117 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 00:14:51,117 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.7) internal successors, (17), 10 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 00:14:51,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 00:14:51,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:14:51,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 00:14:51,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 00:14:51,942 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-08 00:14:51,942 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-08 00:14:51,943 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 00:14:51,943 INFO L85 PathProgramCache]: Analyzing trace with hash 174269495, now seen corresponding path program 1 times [2024-09-08 00:14:51,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 00:14:51,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951081004] [2024-09-08 00:14:51,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 00:14:51,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 00:14:51,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 00:14:52,877 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 00:14:52,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 00:14:52,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951081004] [2024-09-08 00:14:52,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951081004] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 00:14:52,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 00:14:52,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-08 00:14:52,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215883212] [2024-09-08 00:14:52,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 00:14:52,879 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-08 00:14:52,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 00:14:52,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-08 00:14:52,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-09-08 00:14:52,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:14:52,881 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 00:14:52,881 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 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 00:14:52,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 00:14:52,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 00:14:52,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:14:53,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 00:14:53,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 00:14:53,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 00:14:53,307 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-08 00:14:53,307 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-08 00:14:53,308 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 00:14:53,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1795494312, now seen corresponding path program 1 times [2024-09-08 00:14:53,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 00:14:53,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400030622] [2024-09-08 00:14:53,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 00:14:53,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 00:14:53,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 00:14:53,936 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 00:14:53,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 00:14:53,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400030622] [2024-09-08 00:14:53,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400030622] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 00:14:53,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 00:14:53,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-08 00:14:53,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247238328] [2024-09-08 00:14:53,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 00:14:53,940 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-08 00:14:53,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 00:14:53,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-08 00:14:53,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-09-08 00:14:53,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:14:53,942 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 00:14:53,943 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 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 00:14:53,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 00:14:53,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 00:14:53,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 00:14:53,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:14:54,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 00:14:54,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 00:14:54,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 00:14:54,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 00:14:54,300 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-08 00:14:54,300 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-08 00:14:54,300 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 00:14:54,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1327553590, now seen corresponding path program 1 times [2024-09-08 00:14:54,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 00:14:54,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474466387] [2024-09-08 00:14:54,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 00:14:54,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 00:14:54,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 00:14:54,777 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 00:14:54,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 00:14:54,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474466387] [2024-09-08 00:14:54,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474466387] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 00:14:54,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 00:14:54,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-08 00:14:54,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112467031] [2024-09-08 00:14:54,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 00:14:54,779 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-08 00:14:54,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 00:14:54,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-08 00:14:54,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-09-08 00:14:54,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:14:54,780 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 00:14:54,780 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 00:14:54,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 00:14:54,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 00:14:54,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 00:14:54,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 00:14:54,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:14:55,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 00:14:55,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 00:14:55,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 00:14:55,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 00:14:55,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 00:14:55,101 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-09-08 00:14:55,101 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-08 00:14:55,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 00:14:55,102 INFO L85 PathProgramCache]: Analyzing trace with hash 140918870, now seen corresponding path program 1 times [2024-09-08 00:14:55,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 00:14:55,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625869570] [2024-09-08 00:14:55,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 00:14:55,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 00:14:55,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 00:14:59,005 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 00:14:59,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 00:14:59,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625869570] [2024-09-08 00:14:59,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625869570] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 00:14:59,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 00:14:59,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-09-08 00:14:59,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342551087] [2024-09-08 00:14:59,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 00:14:59,007 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-08 00:14:59,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 00:14:59,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-08 00:14:59,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-09-08 00:14:59,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:14:59,008 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 00:14:59,009 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 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 00:14:59,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 00:14:59,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 00:14:59,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 00:14:59,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 00:14:59,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 00:14:59,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:14:59,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 00:14:59,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 00:14:59,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 00:14:59,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 00:14:59,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 00:14:59,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 00:14:59,883 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-09-08 00:14:59,883 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-08 00:14:59,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 00:14:59,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1267755732, now seen corresponding path program 1 times [2024-09-08 00:14:59,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 00:14:59,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039666596] [2024-09-08 00:14:59,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 00:14:59,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 00:14:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 00:15:00,793 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 00:15:00,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 00:15:00,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039666596] [2024-09-08 00:15:00,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039666596] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 00:15:00,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 00:15:00,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-09-08 00:15:00,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291962675] [2024-09-08 00:15:00,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 00:15:00,795 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-08 00:15:00,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 00:15:00,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-08 00:15:00,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-09-08 00:15:00,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:15:00,797 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 00:15:00,797 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 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 00:15:00,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 00:15:00,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 00:15:00,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 00:15:00,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 00:15:00,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 00:15:00,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 00:15:00,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:15:01,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 00:15:01,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 00:15:01,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 00:15:01,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 00:15:01,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 00:15:01,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 00:15:01,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 00:15:01,270 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-09-08 00:15:01,270 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-08 00:15:01,270 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 00:15:01,270 INFO L85 PathProgramCache]: Analyzing trace with hash -236199909, now seen corresponding path program 1 times [2024-09-08 00:15:01,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 00:15:01,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244525717] [2024-09-08 00:15:01,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 00:15:01,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 00:15:01,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 00:15:01,787 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 00:15:01,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 00:15:01,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244525717] [2024-09-08 00:15:01,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244525717] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 00:15:01,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 00:15:01,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-08 00:15:01,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833328599] [2024-09-08 00:15:01,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 00:15:01,789 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-08 00:15:01,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 00:15:01,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-08 00:15:01,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-09-08 00:15:01,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:15:01,791 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 00:15:01,791 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 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 00:15:01,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 00:15:01,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 00:15:01,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 00:15:01,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 00:15:01,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 00:15:01,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 00:15:01,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 00:15:01,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:15:02,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 00:15:02,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 00:15:02,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 00:15:02,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 00:15:02,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 00:15:02,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 00:15:02,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 00:15:02,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 00:15:02,216 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-09-08 00:15:02,216 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-08 00:15:02,217 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 00:15:02,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1254545901, now seen corresponding path program 1 times [2024-09-08 00:15:02,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 00:15:02,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653176941] [2024-09-08 00:15:02,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 00:15:02,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 00:15:02,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 00:15:02,621 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 00:15:02,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 00:15:02,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653176941] [2024-09-08 00:15:02,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653176941] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 00:15:02,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 00:15:02,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-08 00:15:02,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217296224] [2024-09-08 00:15:02,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 00:15:02,623 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-08 00:15:02,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 00:15:02,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-08 00:15:02,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-09-08 00:15:02,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:15:02,624 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 00:15:02,624 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 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 00:15:02,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 00:15:02,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 00:15:02,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 00:15:02,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 00:15:02,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 00:15:02,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 00:15:02,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 00:15:02,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 00:15:02,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:15:02,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 00:15:02,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 00:15:02,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 00:15:02,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 00:15:02,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 00:15:02,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 00:15:02,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 00:15:02,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 00:15:02,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 00:15:02,967 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-09-08 00:15:02,967 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-08 00:15:02,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 00:15:02,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1622098234, now seen corresponding path program 1 times [2024-09-08 00:15:02,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 00:15:02,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911163440] [2024-09-08 00:15:02,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 00:15:02,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 00:15:02,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 00:15:03,384 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 00:15:03,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 00:15:03,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911163440] [2024-09-08 00:15:03,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911163440] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 00:15:03,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 00:15:03,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-08 00:15:03,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556693154] [2024-09-08 00:15:03,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 00:15:03,387 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-08 00:15:03,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 00:15:03,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-08 00:15:03,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-09-08 00:15:03,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:15:03,388 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 00:15:03,388 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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 00:15:03,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 00:15:03,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 00:15:03,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 00:15:03,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 00:15:03,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 00:15:03,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 00:15:03,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 00:15:03,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 00:15:03,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 00:15:03,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:15:03,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 00:15:03,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 00:15:03,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 00:15:03,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 00:15:03,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 00:15:03,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 00:15:03,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 00:15:03,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 00:15:03,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 00:15:03,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 00:15:03,638 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-09-08 00:15:03,639 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-09-08 00:15:03,639 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-09-08 00:15:03,639 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-09-08 00:15:03,639 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-09-08 00:15:03,647 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-08 00:15:03,652 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-08 00:15:03,653 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-08 00:15:03,655 INFO L469 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-09-08 00:15:03,655 INFO L470 ceAbstractionStarter]: WitnessConsidered=2 [2024-09-08 00:15:03,656 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 12:15:03 BasicIcfg [2024-09-08 00:15:03,656 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-08 00:15:03,657 INFO L158 Benchmark]: Toolchain (without parser) took 20190.09ms. Allocated memory was 155.2MB in the beginning and 648.0MB in the end (delta: 492.8MB). Free memory was 120.3MB in the beginning and 506.9MB in the end (delta: -386.6MB). Peak memory consumption was 105.7MB. Max. memory is 16.1GB. [2024-09-08 00:15:03,657 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 113.2MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 00:15:03,658 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 155.2MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 00:15:03,658 INFO L158 Benchmark]: CACSL2BoogieTranslator took 726.70ms. Allocated memory is still 155.2MB. Free memory was 120.3MB in the beginning and 85.7MB in the end (delta: 34.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-09-08 00:15:03,658 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.60ms. Allocated memory is still 155.2MB. Free memory was 85.7MB in the beginning and 82.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-08 00:15:03,659 INFO L158 Benchmark]: Boogie Preprocessor took 57.39ms. Allocated memory is still 155.2MB. Free memory was 82.0MB in the beginning and 79.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-08 00:15:03,659 INFO L158 Benchmark]: RCFGBuilder took 1004.00ms. Allocated memory is still 155.2MB. Free memory was 79.4MB in the beginning and 82.0MB in the end (delta: -2.6MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. [2024-09-08 00:15:03,659 INFO L158 Benchmark]: TraceAbstraction took 18304.71ms. Allocated memory was 155.2MB in the beginning and 648.0MB in the end (delta: 492.8MB). Free memory was 81.2MB in the beginning and 506.9MB in the end (delta: -425.7MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. [2024-09-08 00:15:03,661 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 113.2MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.20ms. Allocated memory is still 155.2MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 726.70ms. Allocated memory is still 155.2MB. Free memory was 120.3MB in the beginning and 85.7MB in the end (delta: 34.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.60ms. Allocated memory is still 155.2MB. Free memory was 85.7MB in the beginning and 82.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.39ms. Allocated memory is still 155.2MB. Free memory was 82.0MB in the beginning and 79.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1004.00ms. Allocated memory is still 155.2MB. Free memory was 79.4MB in the beginning and 82.0MB in the end (delta: -2.6MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. * TraceAbstraction took 18304.71ms. Allocated memory was 155.2MB in the beginning and 648.0MB in the end (delta: 492.8MB). Free memory was 81.2MB in the beginning and 506.9MB in the end (delta: -425.7MB). Peak memory consumption was 67.6MB. 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: 3309, independent: 2822, independent conditional: 2577, independent unconditional: 245, dependent: 487, dependent conditional: 444, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3292, independent: 2822, independent conditional: 2577, independent unconditional: 245, dependent: 470, dependent conditional: 427, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3292, independent: 2822, independent conditional: 2577, independent unconditional: 245, dependent: 470, dependent conditional: 427, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4097, independent: 2822, independent conditional: 2577, independent unconditional: 245, dependent: 1275, dependent conditional: 1232, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4097, independent: 2822, independent conditional: 155, independent unconditional: 2667, dependent: 1275, dependent conditional: 305, dependent unconditional: 970, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4097, independent: 2822, independent conditional: 155, independent unconditional: 2667, dependent: 1275, dependent conditional: 305, dependent unconditional: 970, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 370, independent: 273, independent conditional: 28, independent unconditional: 245, dependent: 97, dependent conditional: 54, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 370, independent: 221, independent conditional: 0, independent unconditional: 221, dependent: 149, dependent conditional: 0, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 149, independent: 52, independent conditional: 28, independent unconditional: 24, dependent: 97, dependent conditional: 54, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 149, independent: 52, independent conditional: 28, independent unconditional: 24, dependent: 97, dependent conditional: 54, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1640, independent: 610, independent conditional: 356, independent unconditional: 255, dependent: 1030, dependent conditional: 451, dependent unconditional: 579, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4097, independent: 2549, independent conditional: 127, independent unconditional: 2422, dependent: 1178, dependent conditional: 251, dependent unconditional: 927, unknown: 370, unknown conditional: 82, unknown unconditional: 288] , Statistics on independence cache: Total cache size (in pairs): 370, Positive cache size: 273, Positive conditional cache size: 28, Positive unconditional cache size: 245, Negative cache size: 97, Negative conditional cache size: 54, Negative unconditional cache size: 43, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3349, Maximal queried relation: 6, Independence queries for same thread: 17, Persistent sets #1 benchmarks: Persistent set computation time: 0.9s, Number of persistent set computation: 106, Number of trivial persistent sets: 72, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 288, independent: 245, independent conditional: 0, independent unconditional: 245, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3309, independent: 2822, independent conditional: 2577, independent unconditional: 245, dependent: 487, dependent conditional: 444, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3292, independent: 2822, independent conditional: 2577, independent unconditional: 245, dependent: 470, dependent conditional: 427, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3292, independent: 2822, independent conditional: 2577, independent unconditional: 245, dependent: 470, dependent conditional: 427, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4097, independent: 2822, independent conditional: 2577, independent unconditional: 245, dependent: 1275, dependent conditional: 1232, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4097, independent: 2822, independent conditional: 155, independent unconditional: 2667, dependent: 1275, dependent conditional: 305, dependent unconditional: 970, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4097, independent: 2822, independent conditional: 155, independent unconditional: 2667, dependent: 1275, dependent conditional: 305, dependent unconditional: 970, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 370, independent: 273, independent conditional: 28, independent unconditional: 245, dependent: 97, dependent conditional: 54, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 370, independent: 221, independent conditional: 0, independent unconditional: 221, dependent: 149, dependent conditional: 0, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 149, independent: 52, independent conditional: 28, independent unconditional: 24, dependent: 97, dependent conditional: 54, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 149, independent: 52, independent conditional: 28, independent unconditional: 24, dependent: 97, dependent conditional: 54, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1640, independent: 610, independent conditional: 356, independent unconditional: 255, dependent: 1030, dependent conditional: 451, dependent unconditional: 579, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4097, independent: 2549, independent conditional: 127, independent unconditional: 2422, dependent: 1178, dependent conditional: 251, dependent unconditional: 927, unknown: 370, unknown conditional: 82, unknown unconditional: 288] , Statistics on independence cache: Total cache size (in pairs): 370, Positive cache size: 273, Positive conditional cache size: 28, Positive unconditional cache size: 245, Negative cache size: 97, Negative conditional cache size: 54, Negative unconditional cache size: 43, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3349, Maximal queried relation: 6, Independence queries for same thread: 17 - PositiveResult [Line: 829]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 830]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 51 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 18.1s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 4.8s, 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: 74, 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, 12.6s InterpolantComputationTime, 136 NumberOfCodeBlocks, 136 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 126 ConstructedInterpolants, 0 QuantifiedInterpolants, 6037 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-08 00:15:03,706 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-09-08 00:15:03,898 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 Result: TRUE