./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/rfi005.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/rfi005.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a4c57e3 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-wmm/rfi005.i ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/rfi005.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m [2024-09-07 23:18:46,551 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-07 23:18:46,603 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-07 23:18:46,608 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-07 23:18:46,608 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-07 23:18:46,629 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-07 23:18:46,630 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-07 23:18:46,630 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-07 23:18:46,630 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-07 23:18:46,631 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-07 23:18:46,631 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-07 23:18:46,631 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-07 23:18:46,631 INFO L153 SettingsManager]: * Use SBE=true [2024-09-07 23:18:46,632 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-07 23:18:46,632 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-07 23:18:46,632 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-07 23:18:46,632 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-07 23:18:46,633 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-07 23:18:46,633 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-07 23:18:46,633 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-07 23:18:46,633 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-07 23:18:46,634 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-07 23:18:46,634 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-07 23:18:46,634 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-07 23:18:46,634 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-07 23:18:46,635 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-07 23:18:46,635 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-07 23:18:46,635 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-07 23:18:46,635 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-07 23:18:46,637 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-07 23:18:46,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-07 23:18:46,638 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-07 23:18:46,638 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-07 23:18:46,638 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-07 23:18:46,638 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-07 23:18:46,638 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-07 23:18:46,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-07 23:18:46,639 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-07 23:18:46,639 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-07 23:18:46,639 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-07 23:18:46,639 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-07 23:18:46,639 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-07 23:18:46,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-07 23:18:46,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-07 23:18:46,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-07 23:18:46,853 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-07 23:18:46,853 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-07 23:18:46,854 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/rfi005.yml/witness.yml [2024-09-07 23:18:46,957 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-07 23:18:46,958 INFO L274 PluginConnector]: CDTParser initialized [2024-09-07 23:18:46,958 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi005.i [2024-09-07 23:18:48,072 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-07 23:18:48,282 INFO L384 CDTParser]: Found 1 translation units. [2024-09-07 23:18:48,282 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi005.i [2024-09-07 23:18:48,299 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/83c2b53ed/89b4f760c30b48379af8810a64c6e7ff/FLAG02c819090 [2024-09-07 23:18:48,638 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/83c2b53ed/89b4f760c30b48379af8810a64c6e7ff [2024-09-07 23:18:48,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-07 23:18:48,640 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-07 23:18:48,641 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-07 23:18:48,641 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-07 23:18:48,644 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-07 23:18:48,645 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.09 11:18:46" (1/2) ... [2024-09-07 23:18:48,646 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f0544d2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 11:18:48, skipping insertion in model container [2024-09-07 23:18:48,646 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.09 11:18:46" (1/2) ... [2024-09-07 23:18:48,647 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@f07dd3e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 11:18:48, skipping insertion in model container [2024-09-07 23:18:48,647 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 11:18:48" (2/2) ... [2024-09-07 23:18:48,647 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f0544d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:18:48, skipping insertion in model container [2024-09-07 23:18:48,647 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 11:18:48" (2/2) ... [2024-09-07 23:18:48,695 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-07 23:18:48,696 INFO L1541 ArrayList]: Location invariant before [L837-L837] ((((((((((((((((! multithreaded || y$r_buff1_thd1 == (_Bool)0) && (! multithreaded || ((y$w_buff0 == 0 || y$w_buff0 == 1) || y$w_buff0 == 2))) && (! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long )__unbuffered_p1_EBX) + (long long )x >= 0LL && (0LL - (long long )y$r_buff0_thd2) + (long long )y$w_buff0 >= 0LL) && (0LL - (long long )y$r_buff1_thd2) + (long long )y$w_buff0 >= 0LL) && (0LL - (long long )y$r_buff1_thd2) + (long long )y$w_buff1 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )main$tmp_guard1 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )y >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )y$flush_delayed >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )y$mem_tmp >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )y$r_buff0_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )y$r_buff0_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )y$r_buff0_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )y$r_buff1_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )y$r_buff1_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )y$r_buff1_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )y$read_delayed >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )y$w_buff0 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )y$w_buff0_used >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )y$w_buff1 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )y$w_buff1_used >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )weak$$choice0 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )weak$$choice2 >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )__unbuffered_p1_EBX >= 0LL) && (1LL + (long long )__unbuffered_p0_EAX) - (long long )__unbuffered_p1_EBX >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX) - (long long )__unbuffered_p1_EBX >= 0LL) && (0LL - (long long )y$flush_delayed) - (long long )y$w_buff1_used >= 0LL) && (0LL - (long long )y$r_buff0_thd0) - (long long )y$w_buff1_used >= 0LL) && (0LL - (long long )y$r_buff0_thd1) - (long long )y$w_buff1_used >= 0LL) && (0LL - (long long )y$r_buff1_thd0) - (long long )y$w_buff1_used >= 0LL) && (0LL - (long long )y$r_buff1_thd1) - (long long )y$w_buff1_used >= 0LL) && (0LL - (long long )y$read_delayed) - (long long )y$w_buff1_used >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) - (long long )y$flush_delayed >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) - (long long )y$r_buff0_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) - (long long )y$r_buff0_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) - (long long )y$r_buff1_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) - (long long )y$r_buff1_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) - (long long )y$read_delayed >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) - (long long )y$w_buff1_used >= 0LL) && (1LL - (long long )x) - (long long )y$w_buff1_used >= 0LL) && (1LL - (long long )weak$$choice0) - (long long )y$w_buff1_used >= 0LL) && (1LL - (long long )weak$$choice2) - (long long )y$w_buff1_used >= 0LL) && (2LL - (long long )__unbuffered_p1_EBX) - (long long )x >= 0LL) && (2LL - (long long )__unbuffered_p1_EBX) - (long long )weak$$choice0 >= 0LL) && (2LL - (long long )__unbuffered_p1_EBX) - (long long )weak$$choice2 >= 0LL) && (long long )__unbuffered_cnt - (long long )y$w_buff1_used >= 0LL) && (long long )__unbuffered_p0_EAX - (long long )y$w_buff1_used >= 0LL) && (long long )__unbuffered_p1_EAX - (long long )y$w_buff1_used >= 0LL) && (long long )__unbuffered_p1_EBX - (long long )y$w_buff1_used >= 0LL) && (long long )main$tmp_guard1 - (long long )y$w_buff1_used >= 0LL) && (long long )x - (long long )y$w_buff1_used >= 0LL) && (long long )y - (long long )y$w_buff1_used >= 0LL) && (long long )y$flush_delayed - (long long )y$w_buff1_used >= 0LL) && (long long )y$mem_tmp - (long long )y$w_buff1_used >= 0LL) && (long long )y$r_buff0_thd0 - (long long )y$w_buff1_used >= 0LL) && (long long )y$r_buff0_thd1 - (long long )y$w_buff1_used >= 0LL) && (long long )y$r_buff0_thd2 - (long long )y$w_buff1_used >= 0LL) && (long long )y$r_buff1_thd0 - (long long )y$w_buff1_used >= 0LL) && (long long )y$r_buff1_thd1 - (long long )y$w_buff1_used >= 0LL) && (long long )y$r_buff1_thd2 - (long long )y$w_buff1_used >= 0LL) && (long long )y$read_delayed - (long long )y$w_buff1_used >= 0LL) && (long long )y$w_buff0 - (long long )y$w_buff0_used >= 0LL) && (long long )y$w_buff0 - (long long )y$w_buff1_used >= 0LL) && (long long )y$w_buff0_used - (long long )y$w_buff1_used >= 0LL) && (long long )y$w_buff1 - (long long )y$w_buff1_used >= 0LL) && (long long )weak$$choice0 - (long long )y$w_buff1_used >= 0LL) && (long long )weak$$choice2 - (long long )y$w_buff1_used >= 0LL))) && (! multithreaded || y$r_buff0_thd1 == (_Bool)0)) && (! multithreaded || (((((((((((((((0 <= __unbuffered_cnt && y$flush_delayed == (_Bool)0) && y$r_buff0_thd0 == (_Bool)0) && y$r_buff0_thd1 == (_Bool)0) && y$r_buff1_thd0 == (_Bool)0) && y$r_buff1_thd1 == (_Bool)0) && y$read_delayed == (_Bool)0) && y$read_delayed_var == 0) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (x == 0 || x == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2)) && ((y == 0 || y == 1) || y == 2)) && ((y$mem_tmp == 0 || y$mem_tmp == 1) || y$mem_tmp == 2)) && ((y$w_buff0 == 0 || y$w_buff0 == 1) || y$w_buff0 == 2)) && ((y$w_buff1 == 0 || y$w_buff1 == 1) || y$w_buff1 == 2)))) && (! multithreaded || y$r_buff1_thd0 == (_Bool)0)) && (! multithreaded || ((y == 0 || y == 1) || y == 2))) && (! multithreaded || y$r_buff0_thd0 == (_Bool)0)) && (! multithreaded || ((y$w_buff1 == 0 || y$w_buff1 == 1) || y$w_buff1 == 2))) && (! multithreaded || y$read_delayed == (_Bool)0)) && (! multithreaded || ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2))) && (! multithreaded || ((y$mem_tmp == 0 || y$mem_tmp == 1) || y$mem_tmp == 2))) && (! multithreaded || y$read_delayed_var == 0)) && (! multithreaded || (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1))) && (! multithreaded || ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2))) && (! multithreaded || 0 <= __unbuffered_cnt)) && (! multithreaded || (x == 0 || x == 1)) [2024-09-07 23:18:48,696 INFO L1541 ArrayList]: Location invariant before [L838-L838] ((((((((((((((((! multithreaded || y$r_buff1_thd1 == (_Bool)0) && (! multithreaded || ((y$w_buff0 == 0 || y$w_buff0 == 1) || y$w_buff0 == 2))) && (! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long )__unbuffered_p1_EBX) + (long long )x >= 0LL && (0LL - (long long )y$r_buff0_thd2) + (long long )y$w_buff0 >= 0LL) && (0LL - (long long )y$r_buff1_thd2) + (long long )y$w_buff0 >= 0LL) && (0LL - (long long )y$r_buff1_thd2) + (long long )y$w_buff1 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )main$tmp_guard1 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )y >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )y$flush_delayed >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )y$mem_tmp >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )y$r_buff0_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )y$r_buff0_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )y$r_buff0_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )y$r_buff1_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )y$r_buff1_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )y$r_buff1_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )y$read_delayed >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )y$w_buff0 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )y$w_buff0_used >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )y$w_buff1 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )y$w_buff1_used >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )weak$$choice0 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )weak$$choice2 >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )__unbuffered_p1_EBX >= 0LL) && (1LL + (long long )__unbuffered_p0_EAX) - (long long )__unbuffered_p1_EBX >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX) - (long long )__unbuffered_p1_EBX >= 0LL) && (0LL - (long long )y$flush_delayed) - (long long )y$w_buff1_used >= 0LL) && (0LL - (long long )y$r_buff0_thd0) - (long long )y$w_buff1_used >= 0LL) && (0LL - (long long )y$r_buff0_thd1) - (long long )y$w_buff1_used >= 0LL) && (0LL - (long long )y$r_buff1_thd0) - (long long )y$w_buff1_used >= 0LL) && (0LL - (long long )y$r_buff1_thd1) - (long long )y$w_buff1_used >= 0LL) && (0LL - (long long )y$read_delayed) - (long long )y$w_buff1_used >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) - (long long )y$flush_delayed >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) - (long long )y$r_buff0_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) - (long long )y$r_buff0_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) - (long long )y$r_buff1_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) - (long long )y$r_buff1_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) - (long long )y$read_delayed >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) - (long long )y$w_buff1_used >= 0LL) && (1LL - (long long )x) - (long long )y$w_buff1_used >= 0LL) && (1LL - (long long )weak$$choice0) - (long long )y$w_buff1_used >= 0LL) && (1LL - (long long )weak$$choice2) - (long long )y$w_buff1_used >= 0LL) && (2LL - (long long )__unbuffered_p1_EBX) - (long long )x >= 0LL) && (2LL - (long long )__unbuffered_p1_EBX) - (long long )weak$$choice0 >= 0LL) && (2LL - (long long )__unbuffered_p1_EBX) - (long long )weak$$choice2 >= 0LL) && (long long )__unbuffered_cnt - (long long )y$w_buff1_used >= 0LL) && (long long )__unbuffered_p0_EAX - (long long )y$w_buff1_used >= 0LL) && (long long )__unbuffered_p1_EAX - (long long )y$w_buff1_used >= 0LL) && (long long )__unbuffered_p1_EBX - (long long )y$w_buff1_used >= 0LL) && (long long )main$tmp_guard1 - (long long )y$w_buff1_used >= 0LL) && (long long )x - (long long )y$w_buff1_used >= 0LL) && (long long )y - (long long )y$w_buff1_used >= 0LL) && (long long )y$flush_delayed - (long long )y$w_buff1_used >= 0LL) && (long long )y$mem_tmp - (long long )y$w_buff1_used >= 0LL) && (long long )y$r_buff0_thd0 - (long long )y$w_buff1_used >= 0LL) && (long long )y$r_buff0_thd1 - (long long )y$w_buff1_used >= 0LL) && (long long )y$r_buff0_thd2 - (long long )y$w_buff1_used >= 0LL) && (long long )y$r_buff1_thd0 - (long long )y$w_buff1_used >= 0LL) && (long long )y$r_buff1_thd1 - (long long )y$w_buff1_used >= 0LL) && (long long )y$r_buff1_thd2 - (long long )y$w_buff1_used >= 0LL) && (long long )y$read_delayed - (long long )y$w_buff1_used >= 0LL) && (long long )y$w_buff0 - (long long )y$w_buff0_used >= 0LL) && (long long )y$w_buff0 - (long long )y$w_buff1_used >= 0LL) && (long long )y$w_buff0_used - (long long )y$w_buff1_used >= 0LL) && (long long )y$w_buff1 - (long long )y$w_buff1_used >= 0LL) && (long long )weak$$choice0 - (long long )y$w_buff1_used >= 0LL) && (long long )weak$$choice2 - (long long )y$w_buff1_used >= 0LL))) && (! multithreaded || y$r_buff0_thd1 == (_Bool)0)) && (! multithreaded || (((((((((((((((0 <= __unbuffered_cnt && y$flush_delayed == (_Bool)0) && y$r_buff0_thd0 == (_Bool)0) && y$r_buff0_thd1 == (_Bool)0) && y$r_buff1_thd0 == (_Bool)0) && y$r_buff1_thd1 == (_Bool)0) && y$read_delayed == (_Bool)0) && y$read_delayed_var == 0) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (x == 0 || x == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2)) && ((y == 0 || y == 1) || y == 2)) && ((y$mem_tmp == 0 || y$mem_tmp == 1) || y$mem_tmp == 2)) && ((y$w_buff0 == 0 || y$w_buff0 == 1) || y$w_buff0 == 2)) && ((y$w_buff1 == 0 || y$w_buff1 == 1) || y$w_buff1 == 2)))) && (! multithreaded || y$r_buff1_thd0 == (_Bool)0)) && (! multithreaded || ((y == 0 || y == 1) || y == 2))) && (! multithreaded || y$r_buff0_thd0 == (_Bool)0)) && (! multithreaded || ((y$w_buff1 == 0 || y$w_buff1 == 1) || y$w_buff1 == 2))) && (! multithreaded || y$read_delayed == (_Bool)0)) && (! multithreaded || ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2))) && (! multithreaded || ((y$mem_tmp == 0 || y$mem_tmp == 1) || y$mem_tmp == 2))) && (! multithreaded || y$read_delayed_var == 0)) && (! multithreaded || (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1))) && (! multithreaded || ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2))) && (! multithreaded || 0 <= __unbuffered_cnt)) && (! multithreaded || (x == 0 || x == 1)) [2024-09-07 23:18:48,696 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-07 23:18:48,696 INFO L1541 ArrayList]: ghost_update [L835-L835] multithreaded = 1; [2024-09-07 23:18:48,735 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-07 23:18:49,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-07 23:18:49,039 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-07 23:18:49,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-07 23:18:49,202 INFO L204 MainTranslator]: Completed translation [2024-09-07 23:18:49,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:18:49 WrapperNode [2024-09-07 23:18:49,204 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-07 23:18:49,205 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-07 23:18:49,205 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-07 23:18:49,205 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-07 23:18:49,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:18:49" (1/1) ... [2024-09-07 23:18:49,226 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:18:49" (1/1) ... [2024-09-07 23:18:49,273 INFO L138 Inliner]: procedures = 174, calls = 41, calls flagged for inlining = 7, calls inlined = 9, statements flattened = 176 [2024-09-07 23:18:49,273 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-07 23:18:49,274 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-07 23:18:49,274 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-07 23:18:49,274 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-07 23:18:49,284 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:18:49" (1/1) ... [2024-09-07 23:18:49,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:18:49" (1/1) ... [2024-09-07 23:18:49,294 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:18:49" (1/1) ... [2024-09-07 23:18:49,294 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:18:49" (1/1) ... [2024-09-07 23:18:49,313 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:18:49" (1/1) ... [2024-09-07 23:18:49,315 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:18:49" (1/1) ... [2024-09-07 23:18:49,321 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:18:49" (1/1) ... [2024-09-07 23:18:49,328 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:18:49" (1/1) ... [2024-09-07 23:18:49,335 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-07 23:18:49,337 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-07 23:18:49,337 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-07 23:18:49,337 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-07 23:18:49,338 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:18:49" (1/1) ... [2024-09-07 23:18:49,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-07 23:18:49,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 23:18:49,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-09-07 23:18:49,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-09-07 23:18:49,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-07 23:18:49,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-07 23:18:49,405 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-09-07 23:18:49,406 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-09-07 23:18:49,407 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-09-07 23:18:49,407 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-09-07 23:18:49,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-07 23:18:49,407 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-07 23:18:49,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-07 23:18:49,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-07 23:18:49,409 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-07 23:18:49,530 INFO L242 CfgBuilder]: Building ICFG [2024-09-07 23:18:49,532 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-07 23:18:49,967 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-07 23:18:49,967 INFO L291 CfgBuilder]: Performing block encoding [2024-09-07 23:18:50,172 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-07 23:18:50,172 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-07 23:18:50,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 11:18:50 BoogieIcfgContainer [2024-09-07 23:18:50,172 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-07 23:18:50,174 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-07 23:18:50,174 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-07 23:18:50,181 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-07 23:18:50,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.09 11:18:46" (1/4) ... [2024-09-07 23:18:50,182 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bf427fc and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.09 11:18:50, skipping insertion in model container [2024-09-07 23:18:50,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 11:18:48" (2/4) ... [2024-09-07 23:18:50,182 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bf427fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 11:18:50, skipping insertion in model container [2024-09-07 23:18:50,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:18:49" (3/4) ... [2024-09-07 23:18:50,182 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bf427fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 11:18:50, skipping insertion in model container [2024-09-07 23:18:50,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 11:18:50" (4/4) ... [2024-09-07 23:18:50,183 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi005.i [2024-09-07 23:18:50,197 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-07 23:18:50,198 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-09-07 23:18:50,198 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-07 23:18:50,235 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-09-07 23:18:50,261 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-07 23:18:50,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-07 23:18:50,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 23:18:50,263 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-07 23:18:50,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-09-07 23:18:50,290 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-07 23:18:50,299 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-07 23:18:50,303 INFO L336 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2bf2471, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-07 23:18:50,303 INFO L337 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-09-07 23:18:50,408 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-07 23:18:50,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 23:18:50,412 INFO L85 PathProgramCache]: Analyzing trace with hash 450214604, now seen corresponding path program 1 times [2024-09-07 23:18:50,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 23:18:50,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734464180] [2024-09-07 23:18:50,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 23:18:50,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 23:18:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 23:18:52,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 23:18:52,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 23:18:52,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734464180] [2024-09-07 23:18:52,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734464180] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 23:18:52,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-07 23:18:52,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-07 23:18:52,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749505150] [2024-09-07 23:18:52,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 23:18:52,047 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-07 23:18:52,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 23:18:52,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-07 23:18:52,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-07 23:18:52,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 23:18:52,068 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 23:18:52,069 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-07 23:18:52,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 23:18:52,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 23:18:52,481 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-07 23:18:52,481 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-07 23:18:52,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 23:18:52,482 INFO L85 PathProgramCache]: Analyzing trace with hash -740373508, now seen corresponding path program 1 times [2024-09-07 23:18:52,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 23:18:52,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237957861] [2024-09-07 23:18:52,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 23:18:52,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 23:18:52,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 23:18:52,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 23:18:52,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 23:18:52,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237957861] [2024-09-07 23:18:52,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237957861] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 23:18:52,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-07 23:18:52,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-07 23:18:52,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399481270] [2024-09-07 23:18:52,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 23:18:52,792 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-07 23:18:52,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 23:18:52,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-07 23:18:52,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-07 23:18:52,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 23:18:52,794 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 23:18:52,794 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-07 23:18:52,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 23:18:52,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 23:18:52,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 23:18:52,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 23:18:52,872 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-07 23:18:52,872 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-07 23:18:52,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 23:18:52,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1847436839, now seen corresponding path program 1 times [2024-09-07 23:18:52,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 23:18:52,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809582415] [2024-09-07 23:18:52,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 23:18:52,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 23:18:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 23:18:54,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 23:18:54,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 23:18:54,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809582415] [2024-09-07 23:18:54,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809582415] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 23:18:54,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-07 23:18:54,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-07 23:18:54,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724990308] [2024-09-07 23:18:54,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 23:18:54,501 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-07 23:18:54,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 23:18:54,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-07 23:18:54,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-09-07 23:18:54,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 23:18:54,502 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 23:18:54,502 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-07 23:18:54,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 23:18:54,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 23:18:54,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 23:18:55,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 23:18:55,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 23:18:55,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 23:18:55,288 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-07 23:18:55,288 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-07 23:18:55,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 23:18:55,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1072144151, now seen corresponding path program 1 times [2024-09-07 23:18:55,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 23:18:55,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554486295] [2024-09-07 23:18:55,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 23:18:55,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 23:18:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 23:18:57,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 23:18:57,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 23:18:57,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554486295] [2024-09-07 23:18:57,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554486295] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 23:18:57,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-07 23:18:57,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-07 23:18:57,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343365908] [2024-09-07 23:18:57,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 23:18:57,178 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-07 23:18:57,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 23:18:57,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-07 23:18:57,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-09-07 23:18:57,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 23:18:57,179 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 23:18:57,179 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-07 23:18:57,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 23:18:57,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 23:18:57,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-07 23:18:57,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 23:18:57,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 23:18:57,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 23:18:57,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 23:18:57,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-07 23:18:57,530 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-07 23:18:57,531 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-07 23:18:57,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 23:18:57,532 INFO L85 PathProgramCache]: Analyzing trace with hash -935246985, now seen corresponding path program 1 times [2024-09-07 23:18:57,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 23:18:57,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006109327] [2024-09-07 23:18:57,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 23:18:57,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 23:18:57,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 23:18:58,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 23:18:58,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 23:18:58,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006109327] [2024-09-07 23:18:58,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006109327] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 23:18:58,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-07 23:18:58,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-07 23:18:58,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349182396] [2024-09-07 23:18:58,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 23:18:58,817 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-07 23:18:58,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 23:18:58,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-07 23:18:58,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-09-07 23:18:58,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 23:18:58,820 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 23:18:58,820 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-07 23:18:58,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 23:18:58,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 23:18:58,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-07 23:18:58,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-07 23:18:58,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 23:18:59,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 23:18:59,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 23:18:59,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 23:18:59,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-07 23:18:59,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-07 23:18:59,170 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-09-07 23:18:59,170 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-09-07 23:18:59,170 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-09-07 23:18:59,170 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-09-07 23:18:59,170 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-09-07 23:18:59,179 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-09-07 23:18:59,181 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-07 23:18:59,181 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-07 23:18:59,182 INFO L469 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-09-07 23:18:59,183 INFO L470 ceAbstractionStarter]: WitnessConsidered=2 [2024-09-07 23:18:59,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 11:18:59 BasicIcfg [2024-09-07 23:18:59,183 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-07 23:18:59,184 INFO L158 Benchmark]: Toolchain (without parser) took 10544.24ms. Allocated memory was 163.6MB in the beginning and 633.3MB in the end (delta: 469.8MB). Free memory was 86.3MB in the beginning and 348.9MB in the end (delta: -262.6MB). Peak memory consumption was 210.1MB. Max. memory is 16.1GB. [2024-09-07 23:18:59,184 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 163.6MB. Free memory is still 115.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-07 23:18:59,184 INFO L158 Benchmark]: CDTParser took 0.07ms. Allocated memory is still 163.6MB. Free memory is still 132.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-07 23:18:59,184 INFO L158 Benchmark]: CACSL2BoogieTranslator took 563.81ms. Allocated memory was 163.6MB in the beginning and 205.5MB in the end (delta: 41.9MB). Free memory was 86.1MB in the beginning and 151.7MB in the end (delta: -65.5MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2024-09-07 23:18:59,185 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.36ms. Allocated memory is still 205.5MB. Free memory was 151.7MB in the beginning and 145.4MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-07 23:18:59,185 INFO L158 Benchmark]: Boogie Preprocessor took 62.28ms. Allocated memory is still 205.5MB. Free memory was 145.4MB in the beginning and 142.0MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-07 23:18:59,185 INFO L158 Benchmark]: RCFGBuilder took 835.79ms. Allocated memory is still 205.5MB. Free memory was 142.0MB in the beginning and 143.2MB in the end (delta: -1.2MB). Peak memory consumption was 96.5MB. Max. memory is 16.1GB. [2024-09-07 23:18:59,186 INFO L158 Benchmark]: TraceAbstraction took 9009.57ms. Allocated memory was 205.5MB in the beginning and 633.3MB in the end (delta: 427.8MB). Free memory was 142.2MB in the beginning and 348.9MB in the end (delta: -206.7MB). Peak memory consumption was 222.1MB. Max. memory is 16.1GB. [2024-09-07 23:18:59,187 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.10ms. Allocated memory is still 163.6MB. Free memory is still 115.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.07ms. Allocated memory is still 163.6MB. Free memory is still 132.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 563.81ms. Allocated memory was 163.6MB in the beginning and 205.5MB in the end (delta: 41.9MB). Free memory was 86.1MB in the beginning and 151.7MB in the end (delta: -65.5MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.36ms. Allocated memory is still 205.5MB. Free memory was 151.7MB in the beginning and 145.4MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.28ms. Allocated memory is still 205.5MB. Free memory was 145.4MB in the beginning and 142.0MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 835.79ms. Allocated memory is still 205.5MB. Free memory was 142.0MB in the beginning and 143.2MB in the end (delta: -1.2MB). Peak memory consumption was 96.5MB. Max. memory is 16.1GB. * TraceAbstraction took 9009.57ms. Allocated memory was 205.5MB in the beginning and 633.3MB in the end (delta: 427.8MB). Free memory was 142.2MB in the beginning and 348.9MB in the end (delta: -206.7MB). Peak memory consumption was 222.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 987, independent: 899, independent conditional: 614, independent unconditional: 285, dependent: 88, dependent conditional: 54, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 978, independent: 899, independent conditional: 614, independent unconditional: 285, dependent: 79, dependent conditional: 45, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 978, independent: 899, independent conditional: 614, independent unconditional: 285, dependent: 79, dependent conditional: 45, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1064, independent: 899, independent conditional: 614, independent unconditional: 285, dependent: 165, dependent conditional: 131, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1064, independent: 899, independent conditional: 27, independent unconditional: 872, dependent: 165, dependent conditional: 34, dependent unconditional: 131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1064, independent: 899, independent conditional: 27, independent unconditional: 872, dependent: 165, dependent conditional: 34, dependent unconditional: 131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 342, independent: 295, independent conditional: 10, independent unconditional: 285, dependent: 47, dependent conditional: 13, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 342, independent: 269, independent conditional: 0, independent unconditional: 269, dependent: 73, dependent conditional: 0, dependent unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 73, independent: 26, independent conditional: 10, independent unconditional: 16, dependent: 47, dependent conditional: 13, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 73, independent: 26, independent conditional: 10, independent unconditional: 16, dependent: 47, dependent conditional: 13, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1226, independent: 404, independent conditional: 112, independent unconditional: 291, dependent: 823, dependent conditional: 197, dependent unconditional: 625, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1064, independent: 604, independent conditional: 17, independent unconditional: 587, dependent: 118, dependent conditional: 21, dependent unconditional: 97, unknown: 342, unknown conditional: 23, unknown unconditional: 319] , Statistics on independence cache: Total cache size (in pairs): 342, Positive cache size: 295, Positive conditional cache size: 10, Positive unconditional cache size: 285, Negative cache size: 47, Negative conditional cache size: 13, Negative unconditional cache size: 34, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 684, Maximal queried relation: 3, Independence queries for same thread: 9, Persistent sets #1 benchmarks: Persistent set computation time: 0.9s, Number of persistent set computation: 79, Number of trivial persistent sets: 51, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 319, independent: 285, independent conditional: 0, independent unconditional: 285, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 987, independent: 899, independent conditional: 614, independent unconditional: 285, dependent: 88, dependent conditional: 54, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 978, independent: 899, independent conditional: 614, independent unconditional: 285, dependent: 79, dependent conditional: 45, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 978, independent: 899, independent conditional: 614, independent unconditional: 285, dependent: 79, dependent conditional: 45, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1064, independent: 899, independent conditional: 614, independent unconditional: 285, dependent: 165, dependent conditional: 131, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1064, independent: 899, independent conditional: 27, independent unconditional: 872, dependent: 165, dependent conditional: 34, dependent unconditional: 131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1064, independent: 899, independent conditional: 27, independent unconditional: 872, dependent: 165, dependent conditional: 34, dependent unconditional: 131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 342, independent: 295, independent conditional: 10, independent unconditional: 285, dependent: 47, dependent conditional: 13, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 342, independent: 269, independent conditional: 0, independent unconditional: 269, dependent: 73, dependent conditional: 0, dependent unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 73, independent: 26, independent conditional: 10, independent unconditional: 16, dependent: 47, dependent conditional: 13, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 73, independent: 26, independent conditional: 10, independent unconditional: 16, dependent: 47, dependent conditional: 13, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1226, independent: 404, independent conditional: 112, independent unconditional: 291, dependent: 823, dependent conditional: 197, dependent unconditional: 625, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1064, independent: 604, independent conditional: 17, independent unconditional: 587, dependent: 118, dependent conditional: 21, dependent unconditional: 97, unknown: 342, unknown conditional: 23, unknown unconditional: 319] , Statistics on independence cache: Total cache size (in pairs): 342, Positive cache size: 295, Positive conditional cache size: 10, Positive unconditional cache size: 285, Negative cache size: 47, Negative conditional cache size: 13, Negative unconditional cache size: 34, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 684, Maximal queried relation: 3, Independence queries for same thread: 9 - PositiveResult [Line: 837]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 838]: 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, 53 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 8.9s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 2.1s, 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: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 2900 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-07 23:18:59,213 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-09-07 23:18:59,416 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