./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix031.oepc.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/mix031.oepc.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e94c40da 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/mix031.oepc.i ./goblint.2024-09-02_08-21-23.files/protection-ghost/mix031.oepc.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-dev-e94c40d-m [2024-09-23 13:15:22,066 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-23 13:15:22,112 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-23 13:15:22,117 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-23 13:15:22,118 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-23 13:15:22,143 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-23 13:15:22,143 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-23 13:15:22,144 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-23 13:15:22,144 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-23 13:15:22,147 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-23 13:15:22,147 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-23 13:15:22,148 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-23 13:15:22,148 INFO L153 SettingsManager]: * Use SBE=true [2024-09-23 13:15:22,148 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-23 13:15:22,148 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-23 13:15:22,149 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-23 13:15:22,149 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-23 13:15:22,149 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-23 13:15:22,149 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-23 13:15:22,149 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-23 13:15:22,149 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-23 13:15:22,151 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-23 13:15:22,152 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-23 13:15:22,152 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-23 13:15:22,152 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-23 13:15:22,152 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-23 13:15:22,153 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-23 13:15:22,153 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-23 13:15:22,153 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-23 13:15:22,153 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-23 13:15:22,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 13:15:22,154 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-23 13:15:22,154 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-23 13:15:22,154 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-23 13:15:22,155 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-23 13:15:22,155 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-23 13:15:22,155 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-23 13:15:22,155 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-23 13:15:22,155 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-23 13:15:22,155 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-23 13:15:22,155 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-23 13:15:22,156 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-23 13:15:22,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-23 13:15:22,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-23 13:15:22,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-23 13:15:22,359 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-23 13:15:22,360 INFO L274 PluginConnector]: CDTParser initialized [2024-09-23 13:15:22,360 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/mix031.oepc.i [2024-09-23 13:15:23,512 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-23 13:15:23,721 INFO L384 CDTParser]: Found 1 translation units. [2024-09-23 13:15:23,722 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix031.oepc.i [2024-09-23 13:15:23,739 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b51efd464/73a20a23dbb445618418029d58d73ea9/FLAGcf377b01f [2024-09-23 13:15:24,079 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b51efd464/73a20a23dbb445618418029d58d73ea9 [2024-09-23 13:15:24,081 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-23 13:15:24,081 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-23 13:15:24,082 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/protection-ghost/mix031.oepc.yml/witness.yml [2024-09-23 13:15:24,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-23 13:15:24,178 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-23 13:15:24,179 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-23 13:15:24,179 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-23 13:15:24,186 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-23 13:15:24,186 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 01:15:24" (1/2) ... [2024-09-23 13:15:24,187 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59bda57c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 01:15:24, skipping insertion in model container [2024-09-23 13:15:24,187 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 01:15:24" (1/2) ... [2024-09-23 13:15:24,188 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@45dbd8de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 01:15:24, skipping insertion in model container [2024-09-23 13:15:24,197 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 01:15:24" (2/2) ... [2024-09-23 13:15:24,197 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59bda57c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 01:15:24, skipping insertion in model container [2024-09-23 13:15:24,198 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 01:15:24" (2/2) ... [2024-09-23 13:15:24,251 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-23 13:15:24,252 INFO L1541 ArrayList]: Location invariant before [L830-L830] ((((((((((((((((((! multithreaded || a$r_buff1_thd0 == (_Bool)0) && (! multithreaded || a$r_buff0_thd2 == (_Bool)0)) && (! multithreaded || a$r_buff0_thd0 == (_Bool)0)) && (! multithreaded || a$read_delayed == (_Bool)0)) && (! multithreaded || (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1))) && (! multithreaded || (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1))) && (! multithreaded || (a$mem_tmp == 0 || a$mem_tmp == 1))) && (! multithreaded || (x == 0 || x == 1))) && (! multithreaded || (a$w_buff1 == 0 || a$w_buff1 == 1))) && (! multithreaded || 0 <= __unbuffered_cnt)) && (! multithreaded || (y == 0 || y == 1))) && (! multithreaded || (a$w_buff0 == 0 || a$w_buff0 == 1))) && (! multithreaded || a$flush_delayed == (_Bool)0)) && (! multithreaded || (a == 0 || a == 1))) && (! multithreaded || a$r_buff1_thd2 == (_Bool)0)) && (! multithreaded || a$read_delayed_var == 0)) && (! multithreaded || (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1))) && (! multithreaded || (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1))) && (! multithreaded || (z == 0 || z == 1)) [2024-09-23 13:15:24,252 INFO L1541 ArrayList]: Location invariant before [L831-L831] ((((((((((((((((((! multithreaded || a$r_buff1_thd0 == (_Bool)0) && (! multithreaded || a$r_buff0_thd2 == (_Bool)0)) && (! multithreaded || a$r_buff0_thd0 == (_Bool)0)) && (! multithreaded || a$read_delayed == (_Bool)0)) && (! multithreaded || (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1))) && (! multithreaded || (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1))) && (! multithreaded || (a$mem_tmp == 0 || a$mem_tmp == 1))) && (! multithreaded || (x == 0 || x == 1))) && (! multithreaded || (a$w_buff1 == 0 || a$w_buff1 == 1))) && (! multithreaded || 0 <= __unbuffered_cnt)) && (! multithreaded || (y == 0 || y == 1))) && (! multithreaded || (a$w_buff0 == 0 || a$w_buff0 == 1))) && (! multithreaded || a$flush_delayed == (_Bool)0)) && (! multithreaded || (a == 0 || a == 1))) && (! multithreaded || a$r_buff1_thd2 == (_Bool)0)) && (! multithreaded || a$read_delayed_var == 0)) && (! multithreaded || (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1))) && (! multithreaded || (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1))) && (! multithreaded || (z == 0 || z == 1)) [2024-09-23 13:15:24,252 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-23 13:15:24,252 INFO L1541 ArrayList]: ghost_update [L828-L828] multithreaded = 1; [2024-09-23 13:15:24,281 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-23 13:15:24,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 13:15:24,565 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-23 13:15:24,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 13:15:24,691 INFO L204 MainTranslator]: Completed translation [2024-09-23 13:15:24,692 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 01:15:24 WrapperNode [2024-09-23 13:15:24,692 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-23 13:15:24,693 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-23 13:15:24,693 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-23 13:15:24,693 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-23 13:15:24,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 01:15:24" (1/1) ... [2024-09-23 13:15:24,709 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 23.09 01:15:24" (1/1) ... [2024-09-23 13:15:24,734 INFO L138 Inliner]: procedures = 174, calls = 42, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 125 [2024-09-23 13:15:24,734 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-23 13:15:24,735 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-23 13:15:24,735 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-23 13:15:24,735 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-23 13:15:24,742 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 01:15:24" (1/1) ... [2024-09-23 13:15:24,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 01:15:24" (1/1) ... [2024-09-23 13:15:24,745 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 01:15:24" (1/1) ... [2024-09-23 13:15:24,745 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 01:15:24" (1/1) ... [2024-09-23 13:15:24,753 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 01:15:24" (1/1) ... [2024-09-23 13:15:24,755 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 01:15:24" (1/1) ... [2024-09-23 13:15:24,760 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 01:15:24" (1/1) ... [2024-09-23 13:15:24,762 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 01:15:24" (1/1) ... [2024-09-23 13:15:24,764 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-23 13:15:24,765 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-23 13:15:24,765 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-23 13:15:24,765 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-23 13:15:24,767 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 01:15:24" (1/1) ... [2024-09-23 13:15:24,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 13:15:24,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 13:15:24,799 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) [2024-09-23 13:15:24,801 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 [2024-09-23 13:15:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-23 13:15:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-23 13:15:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-09-23 13:15:24,839 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-09-23 13:15:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-09-23 13:15:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-09-23 13:15:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-23 13:15:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-23 13:15:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-23 13:15:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-23 13:15:24,843 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-23 13:15:24,946 INFO L242 CfgBuilder]: Building ICFG [2024-09-23 13:15:24,948 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-23 13:15:25,192 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-23 13:15:25,192 INFO L291 CfgBuilder]: Performing block encoding [2024-09-23 13:15:25,324 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-23 13:15:25,324 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-23 13:15:25,324 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 01:15:25 BoogieIcfgContainer [2024-09-23 13:15:25,324 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-23 13:15:25,326 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-23 13:15:25,326 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-23 13:15:25,344 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-23 13:15:25,345 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.09 01:15:24" (1/4) ... [2024-09-23 13:15:25,345 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d072e06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.09 01:15:25, skipping insertion in model container [2024-09-23 13:15:25,345 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 01:15:24" (2/4) ... [2024-09-23 13:15:25,349 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d072e06 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 01:15:25, skipping insertion in model container [2024-09-23 13:15:25,349 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 01:15:24" (3/4) ... [2024-09-23 13:15:25,349 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d072e06 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 01:15:25, skipping insertion in model container [2024-09-23 13:15:25,349 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 01:15:25" (4/4) ... [2024-09-23 13:15:25,350 INFO L112 eAbstractionObserver]: Analyzing ICFG mix031.oepc.i [2024-09-23 13:15:25,370 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-23 13:15:25,371 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-09-23 13:15:25,371 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-23 13:15:25,426 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-09-23 13:15:25,463 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 13:15:25,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-23 13:15:25,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 13:15:25,466 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) [2024-09-23 13:15:25,470 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 [2024-09-23 13:15:25,504 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-23 13:15:25,515 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-23 13:15:25,520 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;@7a6eb93d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 13:15:25,521 INFO L337 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-09-23 13:15:25,600 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)] === [2024-09-23 13:15:25,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 13:15:25,604 INFO L85 PathProgramCache]: Analyzing trace with hash 347325328, now seen corresponding path program 1 times [2024-09-23 13:15:25,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 13:15:25,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29210155] [2024-09-23 13:15:25,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 13:15:25,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 13:15:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 13:15:26,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 13:15:26,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 13:15:26,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29210155] [2024-09-23 13:15:26,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29210155] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 13:15:26,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 13:15:26,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-23 13:15:26,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988810276] [2024-09-23 13:15:26,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 13:15:26,305 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-23 13:15:26,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 13:15:26,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-23 13:15:26,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-23 13:15:26,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 13:15:26,323 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 13:15:26,324 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) [2024-09-23 13:15:26,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 13:15:26,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 13:15:26,496 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-23 13:15:26,496 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)] === [2024-09-23 13:15:26,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 13:15:26,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1589503760, now seen corresponding path program 1 times [2024-09-23 13:15:26,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 13:15:26,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567782962] [2024-09-23 13:15:26,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 13:15:26,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 13:15:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 13:15:28,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 13:15:28,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 13:15:28,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567782962] [2024-09-23 13:15:28,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567782962] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 13:15:28,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 13:15:28,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-09-23 13:15:28,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219569689] [2024-09-23 13:15:28,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 13:15:28,784 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-23 13:15:28,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 13:15:28,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-23 13:15:28,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-09-23 13:15:28,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 13:15:28,786 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 13:15:28,786 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) [2024-09-23 13:15:28,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 13:15:28,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 13:15:29,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 13:15:29,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:29,390 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-23 13:15:29,391 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)] === [2024-09-23 13:15:29,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 13:15:29,392 INFO L85 PathProgramCache]: Analyzing trace with hash -810926962, now seen corresponding path program 1 times [2024-09-23 13:15:29,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 13:15:29,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452088879] [2024-09-23 13:15:29,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 13:15:29,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 13:15:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 13:15:30,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 13:15:30,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 13:15:30,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452088879] [2024-09-23 13:15:30,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452088879] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 13:15:30,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 13:15:30,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-23 13:15:30,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317252060] [2024-09-23 13:15:30,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 13:15:30,014 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-23 13:15:30,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 13:15:30,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-23 13:15:30,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-09-23 13:15:30,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 13:15:30,015 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 13:15:30,015 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) [2024-09-23 13:15:30,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 13:15:30,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:30,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 13:15:30,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 13:15:30,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:30,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 13:15:30,471 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-23 13:15:30,474 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)] === [2024-09-23 13:15:30,474 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 13:15:30,476 INFO L85 PathProgramCache]: Analyzing trace with hash -164706775, now seen corresponding path program 1 times [2024-09-23 13:15:30,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 13:15:30,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100163201] [2024-09-23 13:15:30,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 13:15:30,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 13:15:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 13:15:30,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 13:15:30,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 13:15:30,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100163201] [2024-09-23 13:15:30,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100163201] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 13:15:30,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 13:15:30,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-23 13:15:30,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516051637] [2024-09-23 13:15:30,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 13:15:30,978 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-23 13:15:30,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 13:15:30,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-23 13:15:30,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-09-23 13:15:30,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 13:15:30,979 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 13:15:30,979 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) [2024-09-23 13:15:30,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 13:15:30,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:30,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 13:15:30,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 13:15:31,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 13:15:31,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:31,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 13:15:31,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 13:15:31,227 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-23 13:15:31,228 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)] === [2024-09-23 13:15:31,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 13:15:31,228 INFO L85 PathProgramCache]: Analyzing trace with hash 410328397, now seen corresponding path program 1 times [2024-09-23 13:15:31,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 13:15:31,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380738116] [2024-09-23 13:15:31,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 13:15:31,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 13:15:31,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 13:15:31,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 13:15:31,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 13:15:31,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380738116] [2024-09-23 13:15:31,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380738116] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 13:15:31,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 13:15:31,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-23 13:15:31,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599320174] [2024-09-23 13:15:31,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 13:15:31,606 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-23 13:15:31,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 13:15:31,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-23 13:15:31,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-09-23 13:15:31,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 13:15:31,607 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 13:15:31,607 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) [2024-09-23 13:15:31,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 13:15:31,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:31,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 13:15:31,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 13:15:31,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 13:15:31,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 13:15:31,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:31,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 13:15:31,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 13:15:31,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 13:15:31,843 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-09-23 13:15:31,844 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)] === [2024-09-23 13:15:31,844 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 13:15:31,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1330468641, now seen corresponding path program 1 times [2024-09-23 13:15:31,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 13:15:31,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512048750] [2024-09-23 13:15:31,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 13:15:31,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 13:15:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 13:15:33,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 13:15:33,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 13:15:33,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512048750] [2024-09-23 13:15:33,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512048750] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 13:15:33,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 13:15:33,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-09-23 13:15:33,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096571531] [2024-09-23 13:15:33,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 13:15:33,800 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-09-23 13:15:33,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 13:15:33,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-09-23 13:15:33,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-09-23 13:15:33,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 13:15:33,801 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 13:15:33,801 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 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) [2024-09-23 13:15:33,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 13:15:33,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:33,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 13:15:33,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 13:15:33,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 13:15:33,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 13:15:34,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 13:15:34,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:34,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 13:15:34,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 13:15:34,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 13:15:34,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 13:15:34,277 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-09-23 13:15:34,277 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)] === [2024-09-23 13:15:34,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 13:15:34,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1733188895, now seen corresponding path program 1 times [2024-09-23 13:15:34,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 13:15:34,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549011326] [2024-09-23 13:15:34,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 13:15:34,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 13:15:34,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 13:15:34,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 13:15:34,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 13:15:34,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549011326] [2024-09-23 13:15:34,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549011326] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 13:15:34,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 13:15:34,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-09-23 13:15:34,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297539367] [2024-09-23 13:15:34,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 13:15:34,911 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-09-23 13:15:34,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 13:15:34,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-09-23 13:15:34,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-09-23 13:15:34,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 13:15:34,912 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 13:15:34,912 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 9 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) [2024-09-23 13:15:34,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 13:15:34,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:34,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 13:15:34,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 13:15:34,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 13:15:34,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 13:15:34,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 13:15:35,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 13:15:35,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:35,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 13:15:35,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 13:15:35,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 13:15:35,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 13:15:35,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-23 13:15:35,298 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-09-23 13:15:35,298 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)] === [2024-09-23 13:15:35,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 13:15:35,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1579929464, now seen corresponding path program 1 times [2024-09-23 13:15:35,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 13:15:35,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239763248] [2024-09-23 13:15:35,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 13:15:35,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 13:15:35,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 13:15:35,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 13:15:35,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 13:15:35,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239763248] [2024-09-23 13:15:35,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239763248] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 13:15:35,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 13:15:35,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-09-23 13:15:35,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271790709] [2024-09-23 13:15:35,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 13:15:35,832 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-23 13:15:35,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 13:15:35,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-23 13:15:35,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-09-23 13:15:35,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 13:15:35,833 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 13:15:35,833 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 13:15:35,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 13:15:35,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:35,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 13:15:35,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 13:15:35,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 13:15:35,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 13:15:35,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-23 13:15:35,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 13:15:36,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 13:15:36,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:36,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 13:15:36,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 13:15:36,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 13:15:36,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 13:15:36,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-23 13:15:36,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:36,169 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-09-23 13:15:36,169 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)] === [2024-09-23 13:15:36,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 13:15:36,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1159343646, now seen corresponding path program 1 times [2024-09-23 13:15:36,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 13:15:36,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769695798] [2024-09-23 13:15:36,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 13:15:36,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 13:15:36,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 13:15:36,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 13:15:36,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 13:15:36,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769695798] [2024-09-23 13:15:36,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769695798] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 13:15:36,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 13:15:36,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-23 13:15:36,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175027066] [2024-09-23 13:15:36,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 13:15:36,696 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-23 13:15:36,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 13:15:36,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-23 13:15:36,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-09-23 13:15:36,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 13:15:36,697 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 13:15:36,697 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.0) internal successors, (14), 7 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) [2024-09-23 13:15:36,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 13:15:36,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:36,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 13:15:36,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 13:15:36,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 13:15:36,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 13:15:36,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-23 13:15:36,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:36,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 13:15:36,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 13:15:36,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:36,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 13:15:36,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 13:15:36,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 13:15:36,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 13:15:36,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-23 13:15:36,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:36,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 13:15:36,968 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-09-23 13:15:36,968 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)] === [2024-09-23 13:15:36,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 13:15:36,969 INFO L85 PathProgramCache]: Analyzing trace with hash -516791593, now seen corresponding path program 1 times [2024-09-23 13:15:36,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 13:15:36,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338664824] [2024-09-23 13:15:36,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 13:15:36,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 13:15:36,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 13:15:37,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 13:15:37,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 13:15:37,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338664824] [2024-09-23 13:15:37,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338664824] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 13:15:37,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 13:15:37,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-23 13:15:37,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738542416] [2024-09-23 13:15:37,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 13:15:37,347 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-23 13:15:37,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 13:15:37,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-23 13:15:37,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-09-23 13:15:37,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 13:15:37,348 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 13:15:37,348 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) [2024-09-23 13:15:37,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 13:15:37,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:37,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 13:15:37,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 13:15:37,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 13:15:37,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 13:15:37,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-23 13:15:37,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:37,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-23 13:15:37,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 13:15:37,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 13:15:37,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:37,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 13:15:37,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 13:15:37,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 13:15:37,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 13:15:37,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-23 13:15:37,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:37,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 13:15:37,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 13:15:37,534 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-09-23 13:15:37,534 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 13:15:37,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 13:15:37,534 INFO L85 PathProgramCache]: Analyzing trace with hash -235694496, now seen corresponding path program 1 times [2024-09-23 13:15:37,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 13:15:37,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753938612] [2024-09-23 13:15:37,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 13:15:37,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 13:15:37,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 13:15:39,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 13:15:39,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 13:15:39,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753938612] [2024-09-23 13:15:39,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753938612] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 13:15:39,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 13:15:39,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-09-23 13:15:39,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526322701] [2024-09-23 13:15:39,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 13:15:39,131 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-09-23 13:15:39,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 13:15:39,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-09-23 13:15:39,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-09-23 13:15:39,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 13:15:39,132 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 13:15:39,132 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 13:15:39,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 13:15:39,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:39,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 13:15:39,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 13:15:39,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 13:15:39,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 13:15:39,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-23 13:15:39,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:39,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-23 13:15:39,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 13:15:39,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 13:15:39,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 13:15:39,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:39,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 13:15:39,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 13:15:39,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 13:15:39,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 13:15:39,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-23 13:15:39,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:39,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 13:15:39,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 13:15:39,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-23 13:15:39,766 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-09-23 13:15:39,766 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 13:15:39,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 13:15:39,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1187245090, now seen corresponding path program 1 times [2024-09-23 13:15:39,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 13:15:39,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949484978] [2024-09-23 13:15:39,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 13:15:39,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 13:15:39,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 13:15:40,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 13:15:40,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 13:15:40,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949484978] [2024-09-23 13:15:40,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949484978] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 13:15:40,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 13:15:40,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-09-23 13:15:40,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090144414] [2024-09-23 13:15:40,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 13:15:40,325 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-23 13:15:40,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 13:15:40,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-23 13:15:40,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-09-23 13:15:40,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 13:15:40,326 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 13:15:40,326 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 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) [2024-09-23 13:15:40,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 13:15:40,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:40,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 13:15:40,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 13:15:40,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 13:15:40,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 13:15:40,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-23 13:15:40,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:40,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-23 13:15:40,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 13:15:40,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-23 13:15:40,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 13:15:40,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 13:15:40,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:40,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 13:15:40,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 13:15:40,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 13:15:40,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 13:15:40,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-23 13:15:40,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:40,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 13:15:40,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 13:15:40,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-23 13:15:40,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-23 13:15:40,842 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-09-23 13:15:40,843 INFO L399 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 13:15:40,843 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 13:15:40,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1839414055, now seen corresponding path program 1 times [2024-09-23 13:15:40,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 13:15:40,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746849652] [2024-09-23 13:15:40,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 13:15:40,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 13:15:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 13:15:41,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 13:15:41,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 13:15:41,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746849652] [2024-09-23 13:15:41,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746849652] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 13:15:41,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 13:15:41,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-09-23 13:15:41,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831586712] [2024-09-23 13:15:41,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 13:15:41,315 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-09-23 13:15:41,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 13:15:41,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-09-23 13:15:41,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-09-23 13:15:41,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 13:15:41,316 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 13:15:41,316 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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) [2024-09-23 13:15:41,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 13:15:41,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:41,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 13:15:41,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 13:15:41,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 13:15:41,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 13:15:41,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-23 13:15:41,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:41,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-23 13:15:41,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 13:15:41,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-23 13:15:41,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-23 13:15:41,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 13:15:41,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 13:15:41,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:41,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 13:15:41,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 13:15:41,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 13:15:41,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 13:15:41,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-23 13:15:41,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:41,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 13:15:41,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 13:15:41,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-23 13:15:41,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-23 13:15:41,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-23 13:15:41,627 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-09-23 13:15:41,627 INFO L399 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 13:15:41,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 13:15:41,627 INFO L85 PathProgramCache]: Analyzing trace with hash -197883747, now seen corresponding path program 1 times [2024-09-23 13:15:41,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 13:15:41,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426759506] [2024-09-23 13:15:41,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 13:15:41,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 13:15:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 13:15:42,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 13:15:42,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 13:15:42,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426759506] [2024-09-23 13:15:42,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426759506] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 13:15:42,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 13:15:42,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-09-23 13:15:42,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706779089] [2024-09-23 13:15:42,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 13:15:42,045 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-23 13:15:42,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 13:15:42,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-23 13:15:42,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-09-23 13:15:42,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 13:15:42,045 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 13:15:42,045 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) [2024-09-23 13:15:42,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 13:15:42,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:42,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 13:15:42,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 13:15:42,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 13:15:42,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 13:15:42,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-23 13:15:42,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:42,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-23 13:15:42,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 13:15:42,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-23 13:15:42,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-23 13:15:42,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-23 13:15:42,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 13:15:42,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 13:15:42,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:42,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 13:15:42,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 13:15:42,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 13:15:42,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 13:15:42,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-23 13:15:42,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:42,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 13:15:42,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 13:15:42,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-23 13:15:42,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-23 13:15:42,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-23 13:15:42,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:42,339 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-09-23 13:15:42,339 INFO L399 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 13:15:42,339 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 13:15:42,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1379089528, now seen corresponding path program 1 times [2024-09-23 13:15:42,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 13:15:42,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590910937] [2024-09-23 13:15:42,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 13:15:42,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 13:15:42,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 13:15:42,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 13:15:42,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 13:15:42,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590910937] [2024-09-23 13:15:42,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590910937] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 13:15:42,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 13:15:42,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-23 13:15:42,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483106838] [2024-09-23 13:15:42,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 13:15:42,710 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-23 13:15:42,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 13:15:42,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-23 13:15:42,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-09-23 13:15:42,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 13:15:42,710 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 13:15:42,710 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) [2024-09-23 13:15:42,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 13:15:42,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:42,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 13:15:42,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 13:15:42,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 13:15:42,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 13:15:42,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-23 13:15:42,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:42,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-23 13:15:42,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 13:15:42,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-23 13:15:42,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-23 13:15:42,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-23 13:15:42,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:42,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 13:15:42,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 13:15:42,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:42,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 13:15:42,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 13:15:42,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 13:15:42,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 13:15:42,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-23 13:15:42,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:42,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 13:15:42,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 13:15:42,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-23 13:15:42,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-23 13:15:42,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-23 13:15:42,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:42,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 13:15:42,993 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-09-23 13:15:42,993 INFO L399 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 13:15:42,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 13:15:42,993 INFO L85 PathProgramCache]: Analyzing trace with hash -75929185, now seen corresponding path program 1 times [2024-09-23 13:15:42,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 13:15:42,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866478352] [2024-09-23 13:15:42,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 13:15:42,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 13:15:43,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 13:15:44,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 13:15:44,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 13:15:44,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866478352] [2024-09-23 13:15:44,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866478352] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 13:15:44,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 13:15:44,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-09-23 13:15:44,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777786668] [2024-09-23 13:15:44,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 13:15:44,902 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-09-23 13:15:44,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 13:15:44,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-09-23 13:15:44,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-09-23 13:15:44,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 13:15:44,902 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 13:15:44,902 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.6) internal successors, (24), 15 states have internal predecessors, (24), 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) [2024-09-23 13:15:44,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 13:15:44,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:44,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 13:15:44,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 13:15:44,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 13:15:44,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 13:15:44,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-23 13:15:44,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:44,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-23 13:15:44,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 13:15:44,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-23 13:15:44,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-23 13:15:44,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-23 13:15:44,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:44,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-23 13:15:44,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 13:15:45,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 13:15:45,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:45,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 13:15:45,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 13:15:45,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 13:15:45,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 13:15:45,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-23 13:15:45,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:45,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 13:15:45,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 13:15:45,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-23 13:15:45,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-23 13:15:45,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-23 13:15:45,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:45,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 13:15:45,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 13:15:45,350 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-09-23 13:15:45,352 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-09-23 13:15:45,352 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-09-23 13:15:45,352 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-09-23 13:15:45,352 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-09-23 13:15:45,359 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-23 13:15:45,361 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-23 13:15:45,361 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-23 13:15:45,363 INFO L469 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-09-23 13:15:45,363 INFO L470 ceAbstractionStarter]: WitnessConsidered=2 [2024-09-23 13:15:45,363 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.09 01:15:45 BasicIcfg [2024-09-23 13:15:45,364 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-23 13:15:45,364 INFO L158 Benchmark]: Toolchain (without parser) took 21186.31ms. Allocated memory was 132.1MB in the beginning and 755.0MB in the end (delta: 622.9MB). Free memory was 102.0MB in the beginning and 444.9MB in the end (delta: -342.9MB). Peak memory consumption was 279.2MB. Max. memory is 16.1GB. [2024-09-23 13:15:45,364 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 132.1MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 13:15:45,364 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 132.1MB. Free memory is still 61.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 13:15:45,365 INFO L158 Benchmark]: CACSL2BoogieTranslator took 513.56ms. Allocated memory was 132.1MB in the beginning and 174.1MB in the end (delta: 41.9MB). Free memory was 101.8MB in the beginning and 115.2MB in the end (delta: -13.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-09-23 13:15:45,365 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.62ms. Allocated memory is still 174.1MB. Free memory was 115.2MB in the beginning and 112.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-23 13:15:45,365 INFO L158 Benchmark]: Boogie Preprocessor took 29.60ms. Allocated memory is still 174.1MB. Free memory was 112.1MB in the beginning and 110.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-23 13:15:45,365 INFO L158 Benchmark]: RCFGBuilder took 559.32ms. Allocated memory is still 174.1MB. Free memory was 110.0MB in the beginning and 53.4MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2024-09-23 13:15:45,366 INFO L158 Benchmark]: TraceAbstraction took 20038.11ms. Allocated memory was 174.1MB in the beginning and 755.0MB in the end (delta: 580.9MB). Free memory was 53.4MB in the beginning and 444.9MB in the end (delta: -391.5MB). Peak memory consumption was 189.4MB. Max. memory is 16.1GB. [2024-09-23 13:15:45,366 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 132.1MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 132.1MB. Free memory is still 61.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 513.56ms. Allocated memory was 132.1MB in the beginning and 174.1MB in the end (delta: 41.9MB). Free memory was 101.8MB in the beginning and 115.2MB in the end (delta: -13.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.62ms. Allocated memory is still 174.1MB. Free memory was 115.2MB in the beginning and 112.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.60ms. Allocated memory is still 174.1MB. Free memory was 112.1MB in the beginning and 110.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 559.32ms. Allocated memory is still 174.1MB. Free memory was 110.0MB in the beginning and 53.4MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * TraceAbstraction took 20038.11ms. Allocated memory was 174.1MB in the beginning and 755.0MB in the end (delta: 580.9MB). Free memory was 53.4MB in the beginning and 444.9MB in the end (delta: -391.5MB). Peak memory consumption was 189.4MB. 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: 6097, independent: 5228, independent conditional: 4926, independent unconditional: 302, dependent: 869, dependent conditional: 822, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6060, independent: 5228, independent conditional: 4926, independent unconditional: 302, dependent: 832, dependent conditional: 785, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6060, independent: 5228, independent conditional: 4926, independent unconditional: 302, dependent: 832, dependent conditional: 785, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8221, independent: 5228, independent conditional: 4926, independent unconditional: 302, dependent: 2993, dependent conditional: 2946, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8221, independent: 5228, independent conditional: 397, independent unconditional: 4831, dependent: 2993, dependent conditional: 1110, dependent unconditional: 1883, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8221, independent: 5228, independent conditional: 397, independent unconditional: 4831, dependent: 2993, dependent conditional: 1110, dependent unconditional: 1883, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 510, independent: 357, independent conditional: 55, independent unconditional: 302, dependent: 153, dependent conditional: 106, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 510, independent: 277, independent conditional: 0, independent unconditional: 277, dependent: 233, dependent conditional: 0, dependent unconditional: 233, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 233, independent: 80, independent conditional: 55, independent unconditional: 25, dependent: 153, dependent conditional: 106, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 233, independent: 80, independent conditional: 55, independent unconditional: 25, dependent: 153, dependent conditional: 106, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1340, independent: 452, independent conditional: 300, independent unconditional: 152, dependent: 888, dependent conditional: 551, dependent unconditional: 337, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 8221, independent: 4871, independent conditional: 342, independent unconditional: 4529, dependent: 2840, dependent conditional: 1004, dependent unconditional: 1836, unknown: 510, unknown conditional: 161, unknown unconditional: 349] , Statistics on independence cache: Total cache size (in pairs): 510, Positive cache size: 357, Positive conditional cache size: 55, Positive unconditional cache size: 302, Negative cache size: 153, Negative conditional cache size: 106, Negative unconditional cache size: 47, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6365, Maximal queried relation: 12, Independence queries for same thread: 37, Persistent sets #1 benchmarks: Persistent set computation time: 0.5s, Number of persistent set computation: 142, Number of trivial persistent sets: 90, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 349, independent: 302, independent conditional: 0, independent unconditional: 302, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6097, independent: 5228, independent conditional: 4926, independent unconditional: 302, dependent: 869, dependent conditional: 822, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6060, independent: 5228, independent conditional: 4926, independent unconditional: 302, dependent: 832, dependent conditional: 785, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6060, independent: 5228, independent conditional: 4926, independent unconditional: 302, dependent: 832, dependent conditional: 785, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8221, independent: 5228, independent conditional: 4926, independent unconditional: 302, dependent: 2993, dependent conditional: 2946, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8221, independent: 5228, independent conditional: 397, independent unconditional: 4831, dependent: 2993, dependent conditional: 1110, dependent unconditional: 1883, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8221, independent: 5228, independent conditional: 397, independent unconditional: 4831, dependent: 2993, dependent conditional: 1110, dependent unconditional: 1883, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 510, independent: 357, independent conditional: 55, independent unconditional: 302, dependent: 153, dependent conditional: 106, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 510, independent: 277, independent conditional: 0, independent unconditional: 277, dependent: 233, dependent conditional: 0, dependent unconditional: 233, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 233, independent: 80, independent conditional: 55, independent unconditional: 25, dependent: 153, dependent conditional: 106, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 233, independent: 80, independent conditional: 55, independent unconditional: 25, dependent: 153, dependent conditional: 106, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1340, independent: 452, independent conditional: 300, independent unconditional: 152, dependent: 888, dependent conditional: 551, dependent unconditional: 337, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 8221, independent: 4871, independent conditional: 342, independent unconditional: 4529, dependent: 2840, dependent conditional: 1004, dependent unconditional: 1836, unknown: 510, unknown conditional: 161, unknown unconditional: 349] , Statistics on independence cache: Total cache size (in pairs): 510, Positive cache size: 357, Positive conditional cache size: 55, Positive unconditional cache size: 302, Negative cache size: 153, Negative conditional cache size: 106, Negative unconditional cache size: 47, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6365, Maximal queried relation: 12, Independence queries for same thread: 37 - PositiveResult [Line: 830]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 831]: 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, 55 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 19.9s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 5.9s, 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: 136, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 13.5s InterpolantComputationTime, 248 NumberOfCodeBlocks, 248 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 232 ConstructedInterpolants, 0 QuantifiedInterpolants, 13667 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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! [2024-09-23 13:15:45,392 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 [2024-09-23 13:15:45,590 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