./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/rfi008.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/rfi008.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/rfi008.oepc.i ./goblint.2024-08-20_10-08-36.files/protection-ghost/rfi008.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 20:53:20,306 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-26 20:53:20,360 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-26 20:53:20,363 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-26 20:53:20,364 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-26 20:53:20,377 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-26 20:53:20,377 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-26 20:53:20,378 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-26 20:53:20,378 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-26 20:53:20,379 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-26 20:53:20,379 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-26 20:53:20,379 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-26 20:53:20,379 INFO L153 SettingsManager]: * Use SBE=true [2024-08-26 20:53:20,380 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-26 20:53:20,380 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-26 20:53:20,380 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-26 20:53:20,381 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-26 20:53:20,381 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-26 20:53:20,381 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-26 20:53:20,381 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-26 20:53:20,382 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-26 20:53:20,382 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-26 20:53:20,383 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-26 20:53:20,383 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-26 20:53:20,383 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-26 20:53:20,383 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-26 20:53:20,384 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-26 20:53:20,384 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-26 20:53:20,384 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-26 20:53:20,384 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-26 20:53:20,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-26 20:53:20,385 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-26 20:53:20,385 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-26 20:53:20,386 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-26 20:53:20,386 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-26 20:53:20,386 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-26 20:53:20,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-26 20:53:20,387 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-26 20:53:20,387 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-26 20:53:20,387 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-26 20:53:20,387 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-26 20:53:20,388 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-26 20:53:20,388 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-26 20:53:20,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-26 20:53:20,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-26 20:53:20,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-26 20:53:20,603 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-26 20:53:20,603 INFO L274 PluginConnector]: CDTParser initialized [2024-08-26 20:53:20,604 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi008.oepc.i [2024-08-26 20:53:21,950 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-26 20:53:22,152 INFO L384 CDTParser]: Found 1 translation units. [2024-08-26 20:53:22,156 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi008.oepc.i [2024-08-26 20:53:22,170 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/090474b2d/8baaf16a33ea46d181836f4b380ee799/FLAGe322f6986 [2024-08-26 20:53:22,506 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/090474b2d/8baaf16a33ea46d181836f4b380ee799 [2024-08-26 20:53:22,509 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-26 20:53:22,509 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-26 20:53:22,510 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-20_10-08-36.files/protection-ghost/rfi008.oepc.yml/witness.yml [2024-08-26 20:53:22,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-26 20:53:22,606 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-26 20:53:22,609 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-26 20:53:22,610 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-26 20:53:22,613 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-26 20:53:22,614 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:53:22" (1/2) ... [2024-08-26 20:53:22,615 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7243e230 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:53:22, skipping insertion in model container [2024-08-26 20:53:22,615 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:53:22" (1/2) ... [2024-08-26 20:53:22,616 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1d5d4ceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:53:22, skipping insertion in model container [2024-08-26 20:53:22,616 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 08:53:22" (2/2) ... [2024-08-26 20:53:22,617 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7243e230 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 08:53:22, skipping insertion in model container [2024-08-26 20:53:22,617 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 08:53:22" (2/2) ... [2024-08-26 20:53:22,617 INFO L85 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-26 20:53:22,697 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-08-26 20:53:22,697 INFO L1541 ArrayList]: Location invariant before [L834-L834] ((((((((((((((((! multithreaded || x$read_delayed_var == 0) && (! multithreaded || (x$mem_tmp == 0 || x$mem_tmp == 1))) && (! multithreaded || (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1))) && (! multithreaded || x$read_delayed == (_Bool)0)) && (! multithreaded || 0 <= __unbuffered_cnt)) && (! multithreaded || x$flush_delayed == (_Bool)0)) && (! multithreaded || x$r_buff0_thd0 == (_Bool)0)) && (! multithreaded || x$r_buff0_thd2 == (_Bool)0)) && (! multithreaded || (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1))) && (! multithreaded || (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1))) && (! multithreaded || (x == 0 || x == 1))) && (! multithreaded || x$r_buff1_thd2 == (_Bool)0)) && (! multithreaded || (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1))) && (! multithreaded || (x$w_buff0 == 0 || x$w_buff0 == 1))) && (! multithreaded || (x$w_buff1 == 0 || x$w_buff1 == 1))) && (! multithreaded || x$r_buff1_thd0 == (_Bool)0)) && (! multithreaded || (y == 0 || y == 1)) [2024-08-26 20:53:22,698 INFO L1541 ArrayList]: Location invariant before [L835-L835] ((((((((((((((((! multithreaded || x$read_delayed_var == 0) && (! multithreaded || (x$mem_tmp == 0 || x$mem_tmp == 1))) && (! multithreaded || (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1))) && (! multithreaded || x$read_delayed == (_Bool)0)) && (! multithreaded || 0 <= __unbuffered_cnt)) && (! multithreaded || x$flush_delayed == (_Bool)0)) && (! multithreaded || x$r_buff0_thd0 == (_Bool)0)) && (! multithreaded || x$r_buff0_thd2 == (_Bool)0)) && (! multithreaded || (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1))) && (! multithreaded || (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1))) && (! multithreaded || (x == 0 || x == 1))) && (! multithreaded || x$r_buff1_thd2 == (_Bool)0)) && (! multithreaded || (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1))) && (! multithreaded || (x$w_buff0 == 0 || x$w_buff0 == 1))) && (! multithreaded || (x$w_buff1 == 0 || x$w_buff1 == 1))) && (! multithreaded || x$r_buff1_thd0 == (_Bool)0)) && (! multithreaded || (y == 0 || y == 1)) [2024-08-26 20:53:22,698 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-08-26 20:53:22,698 INFO L1541 ArrayList]: ghost_update [L832-L832] multithreaded = 1; [2024-08-26 20:53:22,741 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-26 20:53:23,020 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-26 20:53:23,029 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-26 20:53:23,105 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-26 20:53:23,135 INFO L206 MainTranslator]: Completed translation [2024-08-26 20:53:23,136 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 08:53:23 WrapperNode [2024-08-26 20:53:23,136 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-26 20:53:23,137 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-26 20:53:23,137 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-26 20:53:23,137 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-26 20:53:23,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 08:53:23" (1/1) ... [2024-08-26 20:53:23,154 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 08:53:23" (1/1) ... [2024-08-26 20:53:23,182 INFO L138 Inliner]: procedures = 174, calls = 38, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 139 [2024-08-26 20:53:23,186 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-26 20:53:23,187 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-26 20:53:23,187 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-26 20:53:23,187 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-26 20:53:23,200 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 08:53:23" (1/1) ... [2024-08-26 20:53:23,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 08:53:23" (1/1) ... [2024-08-26 20:53:23,205 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 08:53:23" (1/1) ... [2024-08-26 20:53:23,207 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 08:53:23" (1/1) ... [2024-08-26 20:53:23,217 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 08:53:23" (1/1) ... [2024-08-26 20:53:23,219 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 08:53:23" (1/1) ... [2024-08-26 20:53:23,221 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 08:53:23" (1/1) ... [2024-08-26 20:53:23,222 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 08:53:23" (1/1) ... [2024-08-26 20:53:23,225 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-26 20:53:23,225 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-26 20:53:23,225 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-26 20:53:23,226 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-26 20:53:23,226 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 08:53:23" (1/1) ... [2024-08-26 20:53:23,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-26 20:53:23,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 20:53:23,249 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 20:53:23,251 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 20:53:23,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-26 20:53:23,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-26 20:53:23,289 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-08-26 20:53:23,289 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-08-26 20:53:23,289 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-08-26 20:53:23,290 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-08-26 20:53:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-26 20:53:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-26 20:53:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-26 20:53:23,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-26 20:53:23,291 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 20:53:23,396 INFO L242 CfgBuilder]: Building ICFG [2024-08-26 20:53:23,398 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-26 20:53:23,671 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-26 20:53:23,671 INFO L291 CfgBuilder]: Performing block encoding [2024-08-26 20:53:23,798 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-26 20:53:23,802 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-26 20:53:23,802 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:53:23 BoogieIcfgContainer [2024-08-26 20:53:23,803 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-26 20:53:23,804 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-26 20:53:23,804 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-26 20:53:23,807 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-26 20:53:23,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 08:53:22" (1/4) ... [2024-08-26 20:53:23,807 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@263ab29f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:53:23, skipping insertion in model container [2024-08-26 20:53:23,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 08:53:22" (2/4) ... [2024-08-26 20:53:23,808 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@263ab29f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 26.08 08:53:23, skipping insertion in model container [2024-08-26 20:53:23,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 08:53:23" (3/4) ... [2024-08-26 20:53:23,829 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@263ab29f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 26.08 08:53:23, skipping insertion in model container [2024-08-26 20:53:23,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:53:23" (4/4) ... [2024-08-26 20:53:23,830 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi008.oepc.i [2024-08-26 20:53:23,859 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-26 20:53:23,859 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-26 20:53:23,859 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-26 20:53:23,927 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-08-26 20:53:23,961 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-26 20:53:23,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-26 20:53:23,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 20:53:23,965 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 20:53:23,966 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 20:53:24,001 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-26 20:53:24,013 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-26 20:53:24,018 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;@541df01a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-26 20:53:24,019 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-08-26 20:53:24,100 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 20:53:24,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 20:53:24,105 INFO L85 PathProgramCache]: Analyzing trace with hash 373480227, now seen corresponding path program 1 times [2024-08-26 20:53:24,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 20:53:24,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30648899] [2024-08-26 20:53:24,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 20:53:24,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 20:53:24,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 20:53:24,750 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 20:53:24,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 20:53:24,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30648899] [2024-08-26 20:53:24,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30648899] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 20:53:24,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 20:53:24,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-08-26 20:53:24,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570002757] [2024-08-26 20:53:24,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 20:53:24,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-26 20:53:24,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 20:53:24,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-26 20:53:24,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-26 20:53:24,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:53:24,774 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 20:53:24,775 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 20:53:24,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:53:24,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 20:53:24,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-26 20:53:24,958 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 20:53:24,959 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 20:53:24,959 INFO L85 PathProgramCache]: Analyzing trace with hash -402761613, now seen corresponding path program 1 times [2024-08-26 20:53:24,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 20:53:24,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609259870] [2024-08-26 20:53:24,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 20:53:24,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 20:53:25,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 20:53:26,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 20:53:26,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 20:53:26,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609259870] [2024-08-26 20:53:26,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609259870] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 20:53:26,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 20:53:26,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-08-26 20:53:26,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187848135] [2024-08-26 20:53:26,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 20:53:26,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-08-26 20:53:26,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 20:53:26,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-08-26 20:53:26,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-08-26 20:53:26,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:53:26,940 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 20:53:26,941 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 20:53:26,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-26 20:53:26,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:53:27,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 20:53:27,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-26 20:53:27,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-26 20:53:27,595 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 20:53:27,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 20:53:27,596 INFO L85 PathProgramCache]: Analyzing trace with hash -760261007, now seen corresponding path program 1 times [2024-08-26 20:53:27,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 20:53:27,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204882629] [2024-08-26 20:53:27,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 20:53:27,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 20:53:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 20:53:28,081 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 20:53:28,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 20:53:28,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204882629] [2024-08-26 20:53:28,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204882629] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 20:53:28,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 20:53:28,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-26 20:53:28,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135827726] [2024-08-26 20:53:28,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 20:53:28,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-26 20:53:28,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 20:53:28,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-26 20:53:28,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-08-26 20:53:28,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:53:28,087 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 20:53:28,087 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 20:53:28,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-26 20:53:28,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-26 20:53:28,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:53:28,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 20:53:28,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-26 20:53:28,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-26 20:53:28,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-26 20:53:28,660 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 20:53:28,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 20:53:28,661 INFO L85 PathProgramCache]: Analyzing trace with hash -994357014, now seen corresponding path program 1 times [2024-08-26 20:53:28,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 20:53:28,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078035100] [2024-08-26 20:53:28,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 20:53:28,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 20:53:28,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 20:53:29,074 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 20:53:29,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 20:53:29,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078035100] [2024-08-26 20:53:29,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078035100] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 20:53:29,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 20:53:29,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-26 20:53:29,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752390806] [2024-08-26 20:53:29,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 20:53:29,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-26 20:53:29,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 20:53:29,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-26 20:53:29,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-08-26 20:53:29,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:53:29,076 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 20:53:29,076 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 20:53:29,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-26 20:53:29,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-26 20:53:29,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-26 20:53:29,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:53:29,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 20:53:29,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-26 20:53:29,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-26 20:53:29,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 20:53:29,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-08-26 20:53:29,390 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 20:53:29,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 20:53:29,391 INFO L85 PathProgramCache]: Analyzing trace with hash 728989326, now seen corresponding path program 1 times [2024-08-26 20:53:29,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 20:53:29,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470304383] [2024-08-26 20:53:29,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 20:53:29,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 20:53:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 20:53:32,608 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 20:53:32,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 20:53:32,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470304383] [2024-08-26 20:53:32,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470304383] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 20:53:32,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 20:53:32,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-08-26 20:53:32,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298285524] [2024-08-26 20:53:32,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 20:53:32,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-08-26 20:53:32,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 20:53:32,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-08-26 20:53:32,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-08-26 20:53:32,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:53:32,611 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 20:53:32,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 20:53:32,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-26 20:53:32,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-26 20:53:32,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-26 20:53:32,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 20:53:32,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:53:33,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 20:53:33,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-26 20:53:33,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-26 20:53:33,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 20:53:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 20:53:33,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-08-26 20:53:33,255 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 20:53:33,256 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 20:53:33,256 INFO L85 PathProgramCache]: Analyzing trace with hash -959856116, now seen corresponding path program 1 times [2024-08-26 20:53:33,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 20:53:33,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411447520] [2024-08-26 20:53:33,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 20:53:33,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 20:53:33,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 20:53:33,892 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 20:53:33,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 20:53:33,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411447520] [2024-08-26 20:53:33,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411447520] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 20:53:33,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 20:53:33,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-08-26 20:53:33,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071112091] [2024-08-26 20:53:33,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 20:53:33,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-08-26 20:53:33,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 20:53:33,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-08-26 20:53:33,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-08-26 20:53:33,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:53:33,894 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 20:53:33,895 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 20:53:33,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-26 20:53:33,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-26 20:53:33,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-26 20:53:33,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 20:53:33,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 20:53:33,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:53:34,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 20:53:34,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-26 20:53:34,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-26 20:53:34,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 20:53:34,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 20:53:34,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-26 20:53:34,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-08-26 20:53:34,267 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 20:53:34,267 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 20:53:34,267 INFO L85 PathProgramCache]: Analyzing trace with hash -30964241, now seen corresponding path program 1 times [2024-08-26 20:53:34,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 20:53:34,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408297860] [2024-08-26 20:53:34,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 20:53:34,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 20:53:34,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 20:53:34,750 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 20:53:34,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 20:53:34,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408297860] [2024-08-26 20:53:34,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408297860] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 20:53:34,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 20:53:34,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-26 20:53:34,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526096043] [2024-08-26 20:53:34,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 20:53:34,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-08-26 20:53:34,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 20:53:34,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-08-26 20:53:34,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-08-26 20:53:34,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:53:34,753 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 20:53:34,753 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 20:53:34,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-26 20:53:34,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-26 20:53:34,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-26 20:53:34,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 20:53:34,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 20:53:34,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-26 20:53:34,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:53:35,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 20:53:35,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-26 20:53:35,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-26 20:53:35,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 20:53:35,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 20:53:35,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-26 20:53:35,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-26 20:53:35,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-08-26 20:53:35,035 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 20:53:35,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 20:53:35,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1109378613, now seen corresponding path program 1 times [2024-08-26 20:53:35,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 20:53:35,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388330943] [2024-08-26 20:53:35,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 20:53:35,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 20:53:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 20:53:35,469 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 20:53:35,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 20:53:35,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388330943] [2024-08-26 20:53:35,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388330943] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 20:53:35,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 20:53:35,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-26 20:53:35,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302196980] [2024-08-26 20:53:35,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 20:53:35,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-26 20:53:35,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 20:53:35,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-26 20:53:35,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-08-26 20:53:35,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:53:35,472 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 20:53:35,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 20:53:35,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-26 20:53:35,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-26 20:53:35,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-26 20:53:35,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 20:53:35,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 20:53:35,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-26 20:53:35,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-26 20:53:35,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:53:35,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 20:53:35,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-26 20:53:35,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-26 20:53:35,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 20:53:35,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 20:53:35,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-26 20:53:35,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-26 20:53:35,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-26 20:53:35,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-08-26 20:53:35,788 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 20:53:35,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 20:53:35,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1848619503, now seen corresponding path program 1 times [2024-08-26 20:53:35,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 20:53:35,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166071213] [2024-08-26 20:53:35,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 20:53:35,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 20:53:35,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 20:53:39,252 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 20:53:39,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 20:53:39,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166071213] [2024-08-26 20:53:39,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166071213] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 20:53:39,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 20:53:39,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-08-26 20:53:39,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965278629] [2024-08-26 20:53:39,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 20:53:39,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-08-26 20:53:39,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 20:53:39,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-08-26 20:53:39,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2024-08-26 20:53:39,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:53:39,255 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 20:53:39,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 20:53:39,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-26 20:53:39,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-26 20:53:39,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-26 20:53:39,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 20:53:39,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 20:53:39,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-26 20:53:39,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-26 20:53:39,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-26 20:53:39,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:53:40,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 20:53:40,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-26 20:53:40,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-26 20:53:40,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 20:53:40,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 20:53:40,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-26 20:53:40,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-26 20:53:40,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-26 20:53:40,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-26 20:53:40,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-08-26 20:53:40,484 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 20:53:40,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 20:53:40,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1516188179, now seen corresponding path program 1 times [2024-08-26 20:53:40,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 20:53:40,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24523608] [2024-08-26 20:53:40,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 20:53:40,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 20:53:40,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 20:53:41,127 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 20:53:41,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 20:53:41,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24523608] [2024-08-26 20:53:41,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24523608] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 20:53:41,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 20:53:41,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-08-26 20:53:41,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064085089] [2024-08-26 20:53:41,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 20:53:41,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-08-26 20:53:41,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 20:53:41,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-08-26 20:53:41,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-08-26 20:53:41,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:53:41,129 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 20:53:41,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 20:53:41,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-26 20:53:41,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-26 20:53:41,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-26 20:53:41,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 20:53:41,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 20:53:41,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-26 20:53:41,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-26 20:53:41,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-26 20:53:41,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-26 20:53:41,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:53:41,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 20:53:41,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-26 20:53:41,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-26 20:53:41,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 20:53:41,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 20:53:41,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-26 20:53:41,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-26 20:53:41,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-26 20:53:41,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-26 20:53:41,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 20:53:41,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-08-26 20:53:41,612 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-26 20:53:41,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 20:53:41,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1572931090, now seen corresponding path program 1 times [2024-08-26 20:53:41,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 20:53:41,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386973601] [2024-08-26 20:53:41,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 20:53:41,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 20:53:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 20:53:42,245 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 20:53:42,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 20:53:42,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386973601] [2024-08-26 20:53:42,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386973601] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 20:53:42,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 20:53:42,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-08-26 20:53:42,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764911164] [2024-08-26 20:53:42,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 20:53:42,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-08-26 20:53:42,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 20:53:42,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-08-26 20:53:42,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-08-26 20:53:42,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:53:42,248 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 20:53:42,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 20:53:42,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-26 20:53:42,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-26 20:53:42,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-26 20:53:42,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 20:53:42,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 20:53:42,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-26 20:53:42,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-26 20:53:42,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-26 20:53:42,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-26 20:53:42,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 20:53:42,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 20:53:42,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 20:53:42,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-26 20:53:42,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-26 20:53:42,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 20:53:42,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 20:53:42,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-26 20:53:42,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-26 20:53:42,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-26 20:53:42,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-26 20:53:42,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 20:53:42,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-26 20:53:42,715 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-08-26 20:53:42,715 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-08-26 20:53:42,715 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-08-26 20:53:42,715 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-08-26 20:53:42,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-08-26 20:53:42,719 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-26 20:53:42,721 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-26 20:53:42,721 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-26 20:53:42,722 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-08-26 20:53:42,723 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-08-26 20:53:42,723 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 08:53:42 BasicIcfg [2024-08-26 20:53:42,723 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-26 20:53:42,724 INFO L158 Benchmark]: Toolchain (without parser) took 20117.39ms. Allocated memory was 123.7MB in the beginning and 941.6MB in the end (delta: 817.9MB). Free memory was 49.2MB in the beginning and 698.4MB in the end (delta: -649.2MB). Peak memory consumption was 170.2MB. Max. memory is 16.1GB. [2024-08-26 20:53:42,724 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 123.7MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-26 20:53:42,724 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 123.7MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-26 20:53:42,724 INFO L158 Benchmark]: CACSL2BoogieTranslator took 526.64ms. Allocated memory was 123.7MB in the beginning and 178.3MB in the end (delta: 54.5MB). Free memory was 49.0MB in the beginning and 118.5MB in the end (delta: -69.5MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2024-08-26 20:53:42,725 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.77ms. Allocated memory is still 178.3MB. Free memory was 118.5MB in the beginning and 116.4MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-08-26 20:53:42,725 INFO L158 Benchmark]: Boogie Preprocessor took 37.81ms. Allocated memory is still 178.3MB. Free memory was 115.3MB in the beginning and 113.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-26 20:53:42,725 INFO L158 Benchmark]: RCFGBuilder took 577.28ms. Allocated memory is still 178.3MB. Free memory was 113.3MB in the beginning and 50.3MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-08-26 20:53:42,725 INFO L158 Benchmark]: TraceAbstraction took 18919.35ms. Allocated memory was 178.3MB in the beginning and 941.6MB in the end (delta: 763.4MB). Free memory was 49.3MB in the beginning and 698.4MB in the end (delta: -649.1MB). Peak memory consumption was 115.3MB. Max. memory is 16.1GB. [2024-08-26 20:53:42,726 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 123.7MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.20ms. Allocated memory is still 123.7MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 526.64ms. Allocated memory was 123.7MB in the beginning and 178.3MB in the end (delta: 54.5MB). Free memory was 49.0MB in the beginning and 118.5MB in the end (delta: -69.5MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.77ms. Allocated memory is still 178.3MB. Free memory was 118.5MB in the beginning and 116.4MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.81ms. Allocated memory is still 178.3MB. Free memory was 115.3MB in the beginning and 113.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 577.28ms. Allocated memory is still 178.3MB. Free memory was 113.3MB in the beginning and 50.3MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * TraceAbstraction took 18919.35ms. Allocated memory was 178.3MB in the beginning and 941.6MB in the end (delta: 763.4MB). Free memory was 49.3MB in the beginning and 698.4MB in the end (delta: -649.1MB). Peak memory consumption was 115.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3771, independent: 3248, independent conditional: 2994, independent unconditional: 254, dependent: 523, dependent conditional: 478, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3747, independent: 3248, independent conditional: 2994, independent unconditional: 254, dependent: 499, dependent conditional: 454, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3747, independent: 3248, independent conditional: 2994, independent unconditional: 254, dependent: 499, dependent conditional: 454, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4799, independent: 3248, independent conditional: 220, independent unconditional: 3028, dependent: 1551, dependent conditional: 832, dependent unconditional: 719, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4799, independent: 3248, independent conditional: 220, independent unconditional: 3028, dependent: 1551, dependent conditional: 427, dependent unconditional: 1124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4799, independent: 3248, independent conditional: 220, independent unconditional: 3028, dependent: 1551, dependent conditional: 427, dependent unconditional: 1124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 422, independent: 305, independent conditional: 51, independent unconditional: 254, dependent: 117, dependent conditional: 72, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 422, independent: 232, independent conditional: 0, independent unconditional: 232, dependent: 190, dependent conditional: 0, dependent unconditional: 190, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 190, independent: 73, independent conditional: 51, independent unconditional: 22, dependent: 117, dependent conditional: 72, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 190, independent: 73, independent conditional: 51, independent unconditional: 22, dependent: 117, dependent conditional: 72, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1616, independent: 399, independent conditional: 232, independent unconditional: 168, dependent: 1217, dependent conditional: 641, dependent unconditional: 576, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4799, independent: 2943, independent conditional: 169, independent unconditional: 2774, dependent: 1434, dependent conditional: 355, dependent unconditional: 1079, unknown: 422, unknown conditional: 123, unknown unconditional: 299] , Statistics on independence cache: Total cache size (in pairs): 422, Positive cache size: 305, Positive conditional cache size: 51, Positive unconditional cache size: 254, Negative cache size: 117, Negative conditional cache size: 72, Negative unconditional cache size: 45, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 405, Maximal queried relation: 8, Independence queries for same thread: 24 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.8s, Number of persistent set computation: 110, Number of trivial persistent sets: 71, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 299, independent: 254, independent conditional: 0, independent unconditional: 254, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3771, independent: 3248, independent conditional: 2994, independent unconditional: 254, dependent: 523, dependent conditional: 478, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3747, independent: 3248, independent conditional: 2994, independent unconditional: 254, dependent: 499, dependent conditional: 454, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3747, independent: 3248, independent conditional: 2994, independent unconditional: 254, dependent: 499, dependent conditional: 454, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4799, independent: 3248, independent conditional: 220, independent unconditional: 3028, dependent: 1551, dependent conditional: 832, dependent unconditional: 719, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4799, independent: 3248, independent conditional: 220, independent unconditional: 3028, dependent: 1551, dependent conditional: 427, dependent unconditional: 1124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4799, independent: 3248, independent conditional: 220, independent unconditional: 3028, dependent: 1551, dependent conditional: 427, dependent unconditional: 1124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 422, independent: 305, independent conditional: 51, independent unconditional: 254, dependent: 117, dependent conditional: 72, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 422, independent: 232, independent conditional: 0, independent unconditional: 232, dependent: 190, dependent conditional: 0, dependent unconditional: 190, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 190, independent: 73, independent conditional: 51, independent unconditional: 22, dependent: 117, dependent conditional: 72, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 190, independent: 73, independent conditional: 51, independent unconditional: 22, dependent: 117, dependent conditional: 72, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1616, independent: 399, independent conditional: 232, independent unconditional: 168, dependent: 1217, dependent conditional: 641, dependent unconditional: 576, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4799, independent: 2943, independent conditional: 169, independent unconditional: 2774, dependent: 1434, dependent conditional: 355, dependent unconditional: 1079, unknown: 422, unknown conditional: 123, unknown unconditional: 299] , Statistics on independence cache: Total cache size (in pairs): 422, Positive cache size: 305, Positive conditional cache size: 51, Positive unconditional cache size: 254, Negative cache size: 117, Negative conditional cache size: 72, Negative unconditional cache size: 45, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 405, Maximal queried relation: 8, Independence queries for same thread: 24 - PositiveResult [Line: 834]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 835]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 51 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 18.7s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 5.6s, 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: 94, 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, 0.3s SatisfiabilityAnalysisTime, 12.6s InterpolantComputationTime, 159 NumberOfCodeBlocks, 159 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 148 ConstructedInterpolants, 0 QuantifiedInterpolants, 8493 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 20:53:42,750 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-08-26 20:53:42,956 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