./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix034_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-08-20_10-08-36.files/protection-ghost/mix034_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da67795f 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/mix034_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i ./goblint.2024-08-20_10-08-36.files/protection-ghost/mix034_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-eval-da67795-m [2024-08-26 20:18:27,184 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-26 20:18:27,305 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-26 20:18:27,311 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-26 20:18:27,313 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-26 20:18:27,350 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-26 20:18:27,352 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-26 20:18:27,353 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-26 20:18:27,353 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-26 20:18:27,354 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-26 20:18:27,355 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-26 20:18:27,355 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-26 20:18:27,355 INFO L153 SettingsManager]: * Use SBE=true [2024-08-26 20:18:27,356 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-26 20:18:27,358 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-26 20:18:27,359 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-26 20:18:27,359 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-26 20:18:27,359 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-26 20:18:27,359 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-26 20:18:27,360 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-26 20:18:27,360 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-26 20:18:27,365 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-26 20:18:27,365 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-26 20:18:27,365 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-26 20:18:27,365 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-26 20:18:27,366 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-26 20:18:27,366 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-26 20:18:27,366 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-26 20:18:27,366 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-26 20:18:27,366 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-26 20:18:27,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-26 20:18:27,367 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-26 20:18:27,367 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-26 20:18:27,367 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-26 20:18:27,367 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-26 20:18:27,367 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-26 20:18:27,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-26 20:18:27,368 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-26 20:18:27,368 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-26 20:18:27,368 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-26 20:18:27,369 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-26 20:18:27,370 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-26 20:18:27,370 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-26 20:18:27,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-26 20:18:27,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-26 20:18:27,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-26 20:18:27,652 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-26 20:18:27,652 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-26 20:18:27,653 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-20_10-08-36.files/protection-ghost/mix034_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.yml/witness.yml [2024-08-26 20:18:27,740 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-26 20:18:27,740 INFO L274 PluginConnector]: CDTParser initialized [2024-08-26 20:18:27,741 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/mix034_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i [2024-08-26 20:18:29,131 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-26 20:18:29,360 INFO L384 CDTParser]: Found 1 translation units. [2024-08-26 20:18:29,361 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix034_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i [2024-08-26 20:18:29,375 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/62e6f5473/c756aeb80e364df2a5a6994cfc92824c/FLAG1267f0f4b [2024-08-26 20:18:29,389 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/62e6f5473/c756aeb80e364df2a5a6994cfc92824c [2024-08-26 20:18:29,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-26 20:18:29,391 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-26 20:18:29,392 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-26 20:18:29,392 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-26 20:18:29,398 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-26 20:18:29,398 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 08:18:27" (1/2) ... [2024-08-26 20:18:29,399 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@127e10a1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 08:18:29, skipping insertion in model container [2024-08-26 20:18:29,399 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 08:18:27" (1/2) ... [2024-08-26 20:18:29,401 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@9e12bd9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 08:18:29, skipping insertion in model container [2024-08-26 20:18:29,401 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:18:29" (2/2) ... [2024-08-26 20:18:29,401 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@127e10a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:18:29, skipping insertion in model container [2024-08-26 20:18:29,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:18:29" (2/2) ... [2024-08-26 20:18:29,402 INFO L85 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-26 20:18:29,474 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-08-26 20:18:29,475 INFO L1541 ArrayList]: Location invariant before [L821-L821] ((((((((((((((((! multithreaded || (z$mem_tmp == 0 || z$mem_tmp == 1)) && (! multithreaded || z$r_buff1_thd2 == (_Bool)0)) && (! multithreaded || (z == 0 || z == 1))) && (! multithreaded || z$r_buff0_thd2 == (_Bool)0)) && (! multithreaded || (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1))) && (! multithreaded || (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1))) && (! multithreaded || (z$w_buff0 == 0 || z$w_buff0 == 1))) && (! multithreaded || (z$w_buff1 == 0 || z$w_buff1 == 1))) && (! multithreaded || z$read_delayed == (_Bool)0)) && (! multithreaded || 0 <= __unbuffered_cnt)) && (! multithreaded || z$flush_delayed == (_Bool)0)) && (! multithreaded || z$r_buff0_thd0 == (_Bool)0)) && (! multithreaded || z$read_delayed_var == 0)) && (! multithreaded || (x == 0 || x == 1))) && (! multithreaded || z$r_buff1_thd0 == (_Bool)0)) && (! multithreaded || (y == 0 || y == 1))) && (! multithreaded || (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) [2024-08-26 20:18:29,476 INFO L1541 ArrayList]: Location invariant before [L820-L820] ((((((((((((((((! multithreaded || (z$mem_tmp == 0 || z$mem_tmp == 1)) && (! multithreaded || z$r_buff1_thd2 == (_Bool)0)) && (! multithreaded || (z == 0 || z == 1))) && (! multithreaded || z$r_buff0_thd2 == (_Bool)0)) && (! multithreaded || (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1))) && (! multithreaded || (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1))) && (! multithreaded || (z$w_buff0 == 0 || z$w_buff0 == 1))) && (! multithreaded || (z$w_buff1 == 0 || z$w_buff1 == 1))) && (! multithreaded || z$read_delayed == (_Bool)0)) && (! multithreaded || 0 <= __unbuffered_cnt)) && (! multithreaded || z$flush_delayed == (_Bool)0)) && (! multithreaded || z$r_buff0_thd0 == (_Bool)0)) && (! multithreaded || z$read_delayed_var == 0)) && (! multithreaded || (x == 0 || x == 1))) && (! multithreaded || z$r_buff1_thd0 == (_Bool)0)) && (! multithreaded || (y == 0 || y == 1))) && (! multithreaded || (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) [2024-08-26 20:18:29,476 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-08-26 20:18:29,477 INFO L1541 ArrayList]: ghost_update [L818-L818] multithreaded = 1; [2024-08-26 20:18:29,523 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-26 20:18:29,890 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-26 20:18:29,905 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-26 20:18:30,011 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-26 20:18:30,046 INFO L206 MainTranslator]: Completed translation [2024-08-26 20:18:30,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:18:30 WrapperNode [2024-08-26 20:18:30,048 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-26 20:18:30,049 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-26 20:18:30,049 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-26 20:18:30,049 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-26 20:18:30,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:18:30" (1/1) ... [2024-08-26 20:18:30,083 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:18:30" (1/1) ... [2024-08-26 20:18:30,119 INFO L138 Inliner]: procedures = 174, calls = 38, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 117 [2024-08-26 20:18:30,120 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-26 20:18:30,120 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-26 20:18:30,121 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-26 20:18:30,121 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-26 20:18:30,129 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:18:30" (1/1) ... [2024-08-26 20:18:30,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:18:30" (1/1) ... [2024-08-26 20:18:30,133 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:18:30" (1/1) ... [2024-08-26 20:18:30,133 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:18:30" (1/1) ... [2024-08-26 20:18:30,141 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:18:30" (1/1) ... [2024-08-26 20:18:30,143 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:18:30" (1/1) ... [2024-08-26 20:18:30,145 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:18:30" (1/1) ... [2024-08-26 20:18:30,146 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:18:30" (1/1) ... [2024-08-26 20:18:30,149 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-26 20:18:30,150 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-26 20:18:30,150 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-26 20:18:30,150 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-26 20:18:30,151 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:18:30" (1/1) ... [2024-08-26 20:18:30,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-26 20:18:30,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 20:18:30,179 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) [2024-08-26 20:18:30,184 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 [2024-08-26 20:18:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-26 20:18:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-26 20:18:30,230 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-08-26 20:18:30,230 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-08-26 20:18:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-08-26 20:18:30,231 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-08-26 20:18:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-26 20:18:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-26 20:18:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-26 20:18:30,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-26 20:18:30,233 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-26 20:18:30,343 INFO L242 CfgBuilder]: Building ICFG [2024-08-26 20:18:30,344 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-26 20:18:30,670 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-26 20:18:30,672 INFO L291 CfgBuilder]: Performing block encoding [2024-08-26 20:18:30,891 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-26 20:18:30,891 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-26 20:18:30,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:18:30 BoogieIcfgContainer [2024-08-26 20:18:30,892 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-26 20:18:30,894 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-26 20:18:30,894 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-26 20:18:30,898 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-26 20:18:30,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 08:18:27" (1/4) ... [2024-08-26 20:18:30,899 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21ff20ba and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 26.08 08:18:30, skipping insertion in model container [2024-08-26 20:18:30,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 08:18:29" (2/4) ... [2024-08-26 20:18:30,899 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21ff20ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:18:30, skipping insertion in model container [2024-08-26 20:18:30,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:18:30" (3/4) ... [2024-08-26 20:18:30,900 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21ff20ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:18:30, skipping insertion in model container [2024-08-26 20:18:30,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:18:30" (4/4) ... [2024-08-26 20:18:30,903 INFO L112 eAbstractionObserver]: Analyzing ICFG mix034_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i [2024-08-26 20:18:30,926 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-26 20:18:30,926 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-26 20:18:30,927 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-26 20:18:30,978 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-08-26 20:18:31,019 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-26 20:18:31,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-26 20:18:31,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 20:18:31,023 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) [2024-08-26 20:18:31,024 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 [2024-08-26 20:18:31,060 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-26 20:18:31,072 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-26 20:18:31,078 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2d873be1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-26 20:18:31,078 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-08-26 20:18:31,178 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-26 20:18:31,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 20:18:31,183 INFO L85 PathProgramCache]: Analyzing trace with hash 338407544, now seen corresponding path program 1 times [2024-08-26 20:18:31,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 20:18:31,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791960770] [2024-08-26 20:18:31,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 20:18:31,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 20:18:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 20:18:32,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 20:18:32,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 20:18:32,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791960770] [2024-08-26 20:18:32,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791960770] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 20:18:32,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 20:18:32,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-08-26 20:18:32,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748984317] [2024-08-26 20:18:32,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 20:18:32,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-26 20:18:32,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 20:18:32,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-26 20:18:32,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-26 20:18:32,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:18:32,158 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 20:18:32,159 INFO L496 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) [2024-08-26 20:18:32,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:18:32,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 20:18:32,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-26 20:18:32,405 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-26 20:18:32,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 20:18:32,406 INFO L85 PathProgramCache]: Analyzing trace with hash 2089538933, now seen corresponding path program 1 times [2024-08-26 20:18:32,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 20:18:32,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152802056] [2024-08-26 20:18:32,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 20:18:32,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 20:18:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 20:18:35,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 20:18:35,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 20:18:35,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152802056] [2024-08-26 20:18:35,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152802056] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 20:18:35,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 20:18:35,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-08-26 20:18:35,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437951476] [2024-08-26 20:18:35,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 20:18:35,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-08-26 20:18:35,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 20:18:35,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-08-26 20:18:35,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-08-26 20:18:35,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:18:35,251 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 20:18:35,251 INFO L496 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) [2024-08-26 20:18:35,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-26 20:18:35,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:18:36,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 20:18:36,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-26 20:18:36,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-26 20:18:36,063 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-26 20:18:36,064 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 20:18:36,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1176871821, now seen corresponding path program 1 times [2024-08-26 20:18:36,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 20:18:36,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450373327] [2024-08-26 20:18:36,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 20:18:36,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 20:18:36,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 20:18:36,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 20:18:36,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 20:18:36,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450373327] [2024-08-26 20:18:36,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450373327] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 20:18:36,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 20:18:36,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-26 20:18:36,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385334948] [2024-08-26 20:18:36,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 20:18:36,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-08-26 20:18:36,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 20:18:36,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-08-26 20:18:36,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-08-26 20:18:36,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:18:36,776 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 20:18:36,776 INFO L496 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) [2024-08-26 20:18:36,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-26 20:18:36,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-26 20:18:36,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:18:37,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 20:18:37,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-26 20:18:37,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-26 20:18:37,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-26 20:18:37,407 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-26 20:18:37,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 20:18:37,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1700532280, now seen corresponding path program 1 times [2024-08-26 20:18:37,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 20:18:37,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110710308] [2024-08-26 20:18:37,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 20:18:37,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 20:18:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 20:18:37,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 20:18:37,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 20:18:37,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110710308] [2024-08-26 20:18:37,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110710308] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 20:18:37,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 20:18:37,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-26 20:18:37,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769110588] [2024-08-26 20:18:37,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 20:18:37,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-26 20:18:37,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 20:18:37,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-26 20:18:37,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-08-26 20:18:37,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:18:37,995 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 20:18:37,995 INFO L496 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) [2024-08-26 20:18:37,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-26 20:18:37,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-26 20:18:37,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-26 20:18:37,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:18:38,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 20:18:38,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-26 20:18:38,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-26 20:18:38,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-26 20:18:38,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-08-26 20:18:38,360 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-26 20:18:38,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 20:18:38,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1855971854, now seen corresponding path program 1 times [2024-08-26 20:18:38,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 20:18:38,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374954669] [2024-08-26 20:18:38,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 20:18:38,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 20:18:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 20:18:38,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 20:18:38,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 20:18:38,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374954669] [2024-08-26 20:18:38,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374954669] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 20:18:38,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 20:18:38,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-26 20:18:38,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24160783] [2024-08-26 20:18:38,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 20:18:38,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-26 20:18:38,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 20:18:38,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-26 20:18:38,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-08-26 20:18:38,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:18:38,814 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 20:18:38,814 INFO L496 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) [2024-08-26 20:18:38,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-26 20:18:38,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-26 20:18:38,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-26 20:18:38,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-26 20:18:38,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:18:39,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 20:18:39,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-26 20:18:39,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-26 20:18:39,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-26 20:18:39,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 20:18:39,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-08-26 20:18:39,173 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-26 20:18:39,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 20:18:39,173 INFO L85 PathProgramCache]: Analyzing trace with hash 292962176, now seen corresponding path program 1 times [2024-08-26 20:18:39,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 20:18:39,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418763181] [2024-08-26 20:18:39,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 20:18:39,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 20:18:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 20:18:41,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 20:18:41,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 20:18:41,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418763181] [2024-08-26 20:18:41,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418763181] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 20:18:41,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 20:18:41,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-08-26 20:18:41,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686097722] [2024-08-26 20:18:41,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 20:18:41,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-08-26 20:18:41,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 20:18:41,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-08-26 20:18:41,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-08-26 20:18:41,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:18:41,342 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 20:18:41,342 INFO L496 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) [2024-08-26 20:18:41,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-26 20:18:41,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-26 20:18:41,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-26 20:18:41,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-26 20:18:41,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 20:18:41,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:18:42,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 20:18:42,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-26 20:18:42,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-26 20:18:42,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-26 20:18:42,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 20:18:42,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-26 20:18:42,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-08-26 20:18:42,255 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-26 20:18:42,255 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 20:18:42,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1359578110, now seen corresponding path program 1 times [2024-08-26 20:18:42,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 20:18:42,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940078429] [2024-08-26 20:18:42,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 20:18:42,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 20:18:42,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 20:18:42,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 20:18:42,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 20:18:42,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940078429] [2024-08-26 20:18:42,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940078429] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 20:18:42,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 20:18:42,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-08-26 20:18:42,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518999237] [2024-08-26 20:18:42,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 20:18:42,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-08-26 20:18:42,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 20:18:42,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-08-26 20:18:42,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-08-26 20:18:42,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:18:42,964 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 20:18:42,964 INFO L496 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) [2024-08-26 20:18:42,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-26 20:18:42,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-26 20:18:42,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-26 20:18:42,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-26 20:18:42,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 20:18:42,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-26 20:18:42,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:18:43,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 20:18:43,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-26 20:18:43,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-26 20:18:43,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-26 20:18:43,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 20:18:43,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-26 20:18:43,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 20:18:43,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-08-26 20:18:43,572 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-26 20:18:43,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 20:18:43,572 INFO L85 PathProgramCache]: Analyzing trace with hash 2122066653, now seen corresponding path program 1 times [2024-08-26 20:18:43,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 20:18:43,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644079213] [2024-08-26 20:18:43,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 20:18:43,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 20:18:43,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 20:18:44,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 20:18:44,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 20:18:44,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644079213] [2024-08-26 20:18:44,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644079213] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 20:18:44,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 20:18:44,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-08-26 20:18:44,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322630794] [2024-08-26 20:18:44,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 20:18:44,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-08-26 20:18:44,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 20:18:44,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-08-26 20:18:44,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-08-26 20:18:44,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:18:44,147 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 20:18:44,147 INFO L496 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) [2024-08-26 20:18:44,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-26 20:18:44,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-26 20:18:44,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-26 20:18:44,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-26 20:18:44,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 20:18:44,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-26 20:18:44,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 20:18:44,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:18:44,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 20:18:44,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-26 20:18:44,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-26 20:18:44,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-26 20:18:44,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 20:18:44,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-26 20:18:44,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 20:18:44,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-26 20:18:44,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-08-26 20:18:44,545 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-26 20:18:44,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 20:18:44,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1732662211, now seen corresponding path program 1 times [2024-08-26 20:18:44,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 20:18:44,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680444233] [2024-08-26 20:18:44,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 20:18:44,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 20:18:44,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 20:18:45,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 20:18:45,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 20:18:45,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680444233] [2024-08-26 20:18:45,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680444233] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 20:18:45,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 20:18:45,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-26 20:18:45,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646765085] [2024-08-26 20:18:45,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 20:18:45,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-08-26 20:18:45,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 20:18:45,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-08-26 20:18:45,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-08-26 20:18:45,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:18:45,090 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 20:18:45,090 INFO L496 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) [2024-08-26 20:18:45,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-26 20:18:45,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-26 20:18:45,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-26 20:18:45,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-26 20:18:45,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 20:18:45,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-26 20:18:45,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 20:18:45,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-26 20:18:45,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:18:45,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 20:18:45,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-26 20:18:45,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-26 20:18:45,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-26 20:18:45,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 20:18:45,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-26 20:18:45,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 20:18:45,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-26 20:18:45,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-26 20:18:45,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-08-26 20:18:45,442 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-26 20:18:45,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 20:18:45,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1827475327, now seen corresponding path program 1 times [2024-08-26 20:18:45,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 20:18:45,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681501516] [2024-08-26 20:18:45,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 20:18:45,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 20:18:45,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 20:18:48,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 20:18:48,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 20:18:48,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681501516] [2024-08-26 20:18:48,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681501516] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 20:18:48,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 20:18:48,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-08-26 20:18:48,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853446408] [2024-08-26 20:18:48,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 20:18:48,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-08-26 20:18:48,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 20:18:48,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-08-26 20:18:48,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2024-08-26 20:18:48,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:18:48,226 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 20:18:48,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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) [2024-08-26 20:18:48,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-26 20:18:48,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-26 20:18:48,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-26 20:18:48,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-26 20:18:48,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 20:18:48,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-26 20:18:48,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 20:18:48,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-26 20:18:48,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-26 20:18:48,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:18:48,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 20:18:48,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-26 20:18:48,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-26 20:18:48,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-26 20:18:48,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 20:18:48,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-26 20:18:48,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 20:18:48,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-26 20:18:48,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-26 20:18:48,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-26 20:18:48,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-08-26 20:18:48,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-08-26 20:18:48,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-08-26 20:18:48,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-08-26 20:18:48,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-08-26 20:18:48,762 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-26 20:18:48,764 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-26 20:18:48,765 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-26 20:18:48,767 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-08-26 20:18:48,771 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-08-26 20:18:48,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 08:18:48 BasicIcfg [2024-08-26 20:18:48,772 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-26 20:18:48,773 INFO L158 Benchmark]: Toolchain (without parser) took 19381.85ms. Allocated memory was 159.4MB in the beginning and 488.6MB in the end (delta: 329.3MB). Free memory was 91.8MB in the beginning and 334.5MB in the end (delta: -242.7MB). Peak memory consumption was 85.7MB. Max. memory is 16.1GB. [2024-08-26 20:18:48,773 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 96.5MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-26 20:18:48,773 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 96.5MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-26 20:18:48,773 INFO L158 Benchmark]: CACSL2BoogieTranslator took 656.39ms. Allocated memory is still 159.4MB. Free memory was 91.4MB in the beginning and 110.8MB in the end (delta: -19.4MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2024-08-26 20:18:48,774 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.93ms. Allocated memory is still 159.4MB. Free memory was 110.8MB in the beginning and 108.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-08-26 20:18:48,777 INFO L158 Benchmark]: Boogie Preprocessor took 29.00ms. Allocated memory is still 159.4MB. Free memory was 108.0MB in the beginning and 105.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-26 20:18:48,778 INFO L158 Benchmark]: RCFGBuilder took 741.69ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 105.9MB in the beginning and 137.5MB in the end (delta: -31.6MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2024-08-26 20:18:48,778 INFO L158 Benchmark]: TraceAbstraction took 17878.32ms. Allocated memory was 192.9MB in the beginning and 488.6MB in the end (delta: 295.7MB). Free memory was 137.5MB in the beginning and 334.5MB in the end (delta: -197.1MB). Peak memory consumption was 97.6MB. Max. memory is 16.1GB. [2024-08-26 20:18:48,779 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.19ms. Allocated memory is still 96.5MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 96.5MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 656.39ms. Allocated memory is still 159.4MB. Free memory was 91.4MB in the beginning and 110.8MB in the end (delta: -19.4MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.93ms. Allocated memory is still 159.4MB. Free memory was 110.8MB in the beginning and 108.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.00ms. Allocated memory is still 159.4MB. Free memory was 108.0MB in the beginning and 105.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 741.69ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 105.9MB in the beginning and 137.5MB in the end (delta: -31.6MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. * TraceAbstraction took 17878.32ms. Allocated memory was 192.9MB in the beginning and 488.6MB in the end (delta: 295.7MB). Free memory was 137.5MB in the beginning and 334.5MB in the end (delta: -197.1MB). Peak memory consumption was 97.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2790, independent: 2427, independent conditional: 2179, independent unconditional: 248, dependent: 363, dependent conditional: 324, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2772, independent: 2427, independent conditional: 2179, independent unconditional: 248, dependent: 345, dependent conditional: 306, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2772, independent: 2427, independent conditional: 2179, independent unconditional: 248, dependent: 345, dependent conditional: 306, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3361, independent: 2427, independent conditional: 155, independent unconditional: 2272, dependent: 934, dependent conditional: 434, dependent unconditional: 500, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3361, independent: 2427, independent conditional: 155, independent unconditional: 2272, dependent: 934, dependent conditional: 189, dependent unconditional: 745, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3361, independent: 2427, independent conditional: 155, independent unconditional: 2272, dependent: 934, dependent conditional: 189, dependent unconditional: 745, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 360, independent: 275, independent conditional: 27, independent unconditional: 248, dependent: 85, dependent conditional: 46, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 360, independent: 227, independent conditional: 0, independent unconditional: 227, dependent: 133, dependent conditional: 0, dependent unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 133, independent: 48, independent conditional: 27, independent unconditional: 21, dependent: 85, dependent conditional: 46, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 133, independent: 48, independent conditional: 27, independent unconditional: 21, dependent: 85, dependent conditional: 46, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1487, independent: 401, independent conditional: 233, independent unconditional: 168, dependent: 1086, dependent conditional: 537, dependent unconditional: 548, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3361, independent: 2152, independent conditional: 128, independent unconditional: 2024, dependent: 849, dependent conditional: 143, dependent unconditional: 706, unknown: 360, unknown conditional: 73, unknown unconditional: 287] , Statistics on independence cache: Total cache size (in pairs): 360, Positive cache size: 275, Positive conditional cache size: 27, Positive unconditional cache size: 248, Negative cache size: 85, Negative conditional cache size: 46, Negative unconditional cache size: 39, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 245, Maximal queried relation: 6, Independence queries for same thread: 18 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.8s, Number of persistent set computation: 108, Number of trivial persistent sets: 64, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 287, independent: 248, independent conditional: 0, independent unconditional: 248, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2790, independent: 2427, independent conditional: 2179, independent unconditional: 248, dependent: 363, dependent conditional: 324, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2772, independent: 2427, independent conditional: 2179, independent unconditional: 248, dependent: 345, dependent conditional: 306, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2772, independent: 2427, independent conditional: 2179, independent unconditional: 248, dependent: 345, dependent conditional: 306, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3361, independent: 2427, independent conditional: 155, independent unconditional: 2272, dependent: 934, dependent conditional: 434, dependent unconditional: 500, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3361, independent: 2427, independent conditional: 155, independent unconditional: 2272, dependent: 934, dependent conditional: 189, dependent unconditional: 745, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3361, independent: 2427, independent conditional: 155, independent unconditional: 2272, dependent: 934, dependent conditional: 189, dependent unconditional: 745, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 360, independent: 275, independent conditional: 27, independent unconditional: 248, dependent: 85, dependent conditional: 46, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 360, independent: 227, independent conditional: 0, independent unconditional: 227, dependent: 133, dependent conditional: 0, dependent unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 133, independent: 48, independent conditional: 27, independent unconditional: 21, dependent: 85, dependent conditional: 46, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 133, independent: 48, independent conditional: 27, independent unconditional: 21, dependent: 85, dependent conditional: 46, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1487, independent: 401, independent conditional: 233, independent unconditional: 168, dependent: 1086, dependent conditional: 537, dependent unconditional: 548, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3361, independent: 2152, independent conditional: 128, independent unconditional: 2024, dependent: 849, dependent conditional: 143, dependent unconditional: 706, unknown: 360, unknown conditional: 73, unknown unconditional: 287] , Statistics on independence cache: Total cache size (in pairs): 360, Positive cache size: 275, Positive conditional cache size: 27, Positive unconditional cache size: 248, Negative cache size: 85, Negative conditional cache size: 46, Negative unconditional cache size: 39, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 245, Maximal queried relation: 6, Independence queries for same thread: 18 - PositiveResult [Line: 820]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 821]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 51 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 17.7s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 5.3s, 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: 82, 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, 11.9s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 7329 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-26 20:18:48,811 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 [2024-08-26 20:18:49,005 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