./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-send-receive.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/popl20-send-receive.wvr.yml/witness.yml --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version c091e2ee
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/weaver/popl20-send-receive.wvr.c ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/popl20-send-receive.wvr.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.fs.goblint-validation-c091e2e-m
[2024-08-13 20:36:41,050 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-08-13 20:36:41,102 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2024-08-13 20:36:41,106 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-08-13 20:36:41,107 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-08-13 20:36:41,127 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-08-13 20:36:41,127 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-08-13 20:36:41,128 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-08-13 20:36:41,128 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-08-13 20:36:41,128 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-08-13 20:36:41,129 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-08-13 20:36:41,129 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-08-13 20:36:41,129 INFO L153 SettingsManager]: * Use SBE=true
[2024-08-13 20:36:41,130 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-08-13 20:36:41,131 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-08-13 20:36:41,132 INFO L153 SettingsManager]: * sizeof long=4
[2024-08-13 20:36:41,132 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-08-13 20:36:41,132 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-08-13 20:36:41,132 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-08-13 20:36:41,132 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-08-13 20:36:41,133 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-08-13 20:36:41,136 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-08-13 20:36:41,136 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-08-13 20:36:41,136 INFO L153 SettingsManager]: * sizeof long double=12
[2024-08-13 20:36:41,136 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-08-13 20:36:41,137 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-08-13 20:36:41,137 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-08-13 20:36:41,137 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-08-13 20:36:41,137 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-08-13 20:36:41,137 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-08-13 20:36:41,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-08-13 20:36:41,138 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-08-13 20:36:41,138 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-08-13 20:36:41,138 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-08-13 20:36:41,138 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-08-13 20:36:41,138 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP
[2024-08-13 20:36:41,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-08-13 20:36:41,139 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-08-13 20:36:41,139 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-08-13 20:36:41,139 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-08-13 20:36:41,139 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-08-13 20:36:41,139 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-08-13 20:36:41,139 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false
[2024-08-13 20:36:41,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-08-13 20:36:41,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-08-13 20:36:41,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-08-13 20:36:41,373 INFO L270 PluginConnector]: Initializing Witness Parser...
[2024-08-13 20:36:41,373 INFO L274 PluginConnector]: Witness Parser initialized
[2024-08-13 20:36:41,374 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/popl20-send-receive.wvr.yml/witness.yml
[2024-08-13 20:36:41,445 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-08-13 20:36:41,445 INFO L274 PluginConnector]: CDTParser initialized
[2024-08-13 20:36:41,445 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-send-receive.wvr.c
[2024-08-13 20:36:42,734 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-08-13 20:36:42,881 INFO L384 CDTParser]: Found 1 translation units.
[2024-08-13 20:36:42,881 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-send-receive.wvr.c
[2024-08-13 20:36:42,887 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e9038dc1b/026fe013c32b42cabf1e17142fe3e426/FLAGb9ab3b8ae
[2024-08-13 20:36:43,287 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e9038dc1b/026fe013c32b42cabf1e17142fe3e426
[2024-08-13 20:36:43,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-08-13 20:36:43,288 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements.
[2024-08-13 20:36:43,289 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-08-13 20:36:43,289 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-08-13 20:36:43,293 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-08-13 20:36:43,294 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 08:36:41" (1/2) ...
[2024-08-13 20:36:43,294 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47256692 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 08:36:43, skipping insertion in model container
[2024-08-13 20:36:43,294 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 08:36:41" (1/2) ...
[2024-08-13 20:36:43,295 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7fd09945 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 08:36:43, skipping insertion in model container
[2024-08-13 20:36:43,296 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 08:36:43" (2/2) ...
[2024-08-13 20:36:43,296 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47256692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:36:43, skipping insertion in model container
[2024-08-13 20:36:43,296 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 08:36:43" (2/2) ...
[2024-08-13 20:36:43,296 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness
[2024-08-13 20:36:43,307 INFO L95 edCorrectnessWitness]: Found the following entries in the witness:
[2024-08-13 20:36:43,308 INFO L97 edCorrectnessWitness]: Location invariant before [L113-L113] ! multithreaded || ((((((((((2147483648LL + (long long )front) + (long long )n >= 0LL && (2147483648LL + (long long )back) + (long long )n >= 0LL) && (2147483647LL - (long long )front) + (long long )n >= 0LL) && (1LL + (long long )n) - (long long )v_assert >= 0LL) && (3221225471LL + (long long )front) - (long long )n >= 0LL) && (3221225471LL + (long long )back) - (long long )n >= 0LL) && (4294967295LL + (long long )back) - (long long )front >= 0LL) && (1073741824LL - (long long )n) - (long long )v_assert >= 0LL) && (2147483648LL - (long long )front) - (long long )v_assert >= 0LL) && (3221225470LL - (long long )front) - (long long )n >= 0LL)
[2024-08-13 20:36:43,308 INFO L97 edCorrectnessWitness]: Location invariant before [L112-L112] ! multithreaded || ((((((((((2147483648LL + (long long )front) + (long long )n >= 0LL && (2147483648LL + (long long )back) + (long long )n >= 0LL) && (2147483647LL - (long long )front) + (long long )n >= 0LL) && (1LL + (long long )n) - (long long )v_assert >= 0LL) && (3221225471LL + (long long )front) - (long long )n >= 0LL) && (3221225471LL + (long long )back) - (long long )n >= 0LL) && (4294967295LL + (long long )back) - (long long )front >= 0LL) && (1073741824LL - (long long )n) - (long long )v_assert >= 0LL) && (2147483648LL - (long long )front) - (long long )v_assert >= 0LL) && (3221225470LL - (long long )front) - (long long )n >= 0LL)
[2024-08-13 20:36:43,308 INFO L97 edCorrectnessWitness]: Location invariant before [L111-L111] ! multithreaded || ((((((((((2147483648LL + (long long )front) + (long long )n >= 0LL && (2147483648LL + (long long )back) + (long long )n >= 0LL) && (2147483647LL - (long long )front) + (long long )n >= 0LL) && (1LL + (long long )n) - (long long )v_assert >= 0LL) && (3221225471LL + (long long )front) - (long long )n >= 0LL) && (3221225471LL + (long long )back) - (long long )n >= 0LL) && (4294967295LL + (long long )back) - (long long )front >= 0LL) && (1073741824LL - (long long )n) - (long long )v_assert >= 0LL) && (2147483648LL - (long long )front) - (long long )v_assert >= 0LL) && (3221225470LL - (long long )front) - (long long )n >= 0LL)
[2024-08-13 20:36:43,308 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0
[2024-08-13 20:36:43,308 INFO L106 edCorrectnessWitness]: ghost_update [L110-L110] multithreaded = 1;
[2024-08-13 20:36:43,330 INFO L177 MainTranslator]: Built tables and reachable declarations
[2024-08-13 20:36:43,463 INFO L207 PostProcessor]: Analyzing one entry point: main
[2024-08-13 20:36:43,473 INFO L202 MainTranslator]: Completed pre-run
Start Parsing Local
Start Parsing Local
Start Parsing Local
Start Parsing Local
Start Parsing Local
[2024-08-13 20:36:43,538 INFO L207 PostProcessor]: Analyzing one entry point: main
[2024-08-13 20:36:43,552 INFO L206 MainTranslator]: Completed translation
[2024-08-13 20:36:43,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:36:43 WrapperNode
[2024-08-13 20:36:43,553 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-08-13 20:36:43,554 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-08-13 20:36:43,554 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-08-13 20:36:43,555 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-08-13 20:36:43,560 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:36:43" (1/1) ...
[2024-08-13 20:36:43,567 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:36:43" (1/1) ...
[2024-08-13 20:36:43,600 INFO L138 Inliner]: procedures = 24, calls = 38, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 156
[2024-08-13 20:36:43,600 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-08-13 20:36:43,601 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-08-13 20:36:43,601 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-08-13 20:36:43,601 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-08-13 20:36:43,612 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:36:43" (1/1) ...
[2024-08-13 20:36:43,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:36:43" (1/1) ...
[2024-08-13 20:36:43,633 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:36:43" (1/1) ...
[2024-08-13 20:36:43,637 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:36:43" (1/1) ...
[2024-08-13 20:36:43,654 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:36:43" (1/1) ...
[2024-08-13 20:36:43,661 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:36:43" (1/1) ...
[2024-08-13 20:36:43,666 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:36:43" (1/1) ...
[2024-08-13 20:36:43,667 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:36:43" (1/1) ...
[2024-08-13 20:36:43,685 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-08-13 20:36:43,686 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-08-13 20:36:43,686 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-08-13 20:36:43,686 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-08-13 20:36:43,687 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:36:43" (1/1) ...
[2024-08-13 20:36:43,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-08-13 20:36:43,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-08-13 20:36:43,720 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)
[2024-08-13 20:36:43,722 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
[2024-08-13 20:36:43,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-08-13 20:36:43,751 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2024-08-13 20:36:43,752 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2024-08-13 20:36:43,752 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2024-08-13 20:36:43,752 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2024-08-13 20:36:43,752 INFO L130 BoogieDeclarations]: Found specification of procedure thread3
[2024-08-13 20:36:43,753 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3
[2024-08-13 20:36:43,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-08-13 20:36:43,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2024-08-13 20:36:43,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-08-13 20:36:43,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-08-13 20:36:43,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-08-13 20:36:43,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-08-13 20:36:43,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-08-13 20:36:43,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2024-08-13 20:36:43,755 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2024-08-13 20:36:43,848 INFO L244 CfgBuilder]: Building ICFG
[2024-08-13 20:36:43,850 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-08-13 20:36:44,107 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program.
[2024-08-13 20:36:44,110 INFO L293 CfgBuilder]: Performing block encoding
[2024-08-13 20:36:44,255 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-08-13 20:36:44,257 INFO L320 CfgBuilder]: Removed 3 assume(true) statements.
[2024-08-13 20:36:44,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 08:36:44 BoogieIcfgContainer
[2024-08-13 20:36:44,258 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-08-13 20:36:44,259 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-08-13 20:36:44,259 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-08-13 20:36:44,262 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-08-13 20:36:44,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 08:36:41" (1/4) ...
[2024-08-13 20:36:44,263 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@247121c5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 13.08 08:36:44, skipping insertion in model container
[2024-08-13 20:36:44,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.08 08:36:43" (2/4) ...
[2024-08-13 20:36:44,264 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@247121c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 08:36:44, skipping insertion in model container
[2024-08-13 20:36:44,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:36:43" (3/4) ...
[2024-08-13 20:36:44,264 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@247121c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 08:36:44, skipping insertion in model container
[2024-08-13 20:36:44,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 08:36:44" (4/4) ...
[2024-08-13 20:36:44,265 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-send-receive.wvr.c
[2024-08-13 20:36:44,283 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-08-13 20:36:44,284 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations.
[2024-08-13 20:36:44,284 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-08-13 20:36:44,338 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2024-08-13 20:36:44,376 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-08-13 20:36:44,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-08-13 20:36:44,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-08-13 20:36:44,378 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)
[2024-08-13 20:36:44,379 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
[2024-08-13 20:36:44,412 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-08-13 20:36:44,421 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-08-13 20:36:44,427 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;@7fa08fc1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-08-13 20:36:44,428 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2024-08-13 20:36:44,531 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] ===
[2024-08-13 20:36:44,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 20:36:44,535 INFO L85 PathProgramCache]: Analyzing trace with hash 761121264, now seen corresponding path program 1 times
[2024-08-13 20:36:44,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 20:36:44,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742977399]
[2024-08-13 20:36:44,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 20:36:44,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 20:36:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 20:36:44,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-08-13 20:36:44,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 20:36:44,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742977399]
[2024-08-13 20:36:44,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742977399] provided 1 perfect and 0 imperfect interpolant sequences
[2024-08-13 20:36:44,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-08-13 20:36:44,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-08-13 20:36:44,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716514130]
[2024-08-13 20:36:44,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-08-13 20:36:44,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-08-13 20:36:44,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 20:36:45,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-08-13 20:36:45,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-08-13 20:36:45,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-08-13 20:36:45,022 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 20:36:45,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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)
[2024-08-13 20:36:45,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-08-13 20:36:45,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-08-13 20:36:45,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-08-13 20:36:45,061 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] ===
[2024-08-13 20:36:45,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 20:36:45,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1286106961, now seen corresponding path program 1 times
[2024-08-13 20:36:45,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 20:36:45,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582245643]
[2024-08-13 20:36:45,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 20:36:45,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 20:36:45,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 20:36:45,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-08-13 20:36:45,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 20:36:45,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582245643]
[2024-08-13 20:36:45,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582245643] provided 0 perfect and 1 imperfect interpolant sequences
[2024-08-13 20:36:45,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [579641542]
[2024-08-13 20:36:45,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 20:36:45,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-08-13 20:36:45,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-08-13 20:36:45,322 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-08-13 20:36:45,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-08-13 20:36:45,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 20:36:45,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 19 conjunts are in the unsatisfiable core
[2024-08-13 20:36:45,392 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-08-13 20:36:45,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-08-13 20:36:45,564 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-08-13 20:36:45,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-08-13 20:36:45,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [579641542] provided 0 perfect and 2 imperfect interpolant sequences
[2024-08-13 20:36:45,878 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-08-13 20:36:45,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 8
[2024-08-13 20:36:45,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716728224]
[2024-08-13 20:36:45,879 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-08-13 20:36:45,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-08-13 20:36:45,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 20:36:45,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-08-13 20:36:45,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90
[2024-08-13 20:36:45,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-08-13 20:36:45,881 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 20:36:45,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 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)
[2024-08-13 20:36:45,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-08-13 20:36:45,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-08-13 20:36:46,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-08-13 20:36:46,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-08-13 20:36:46,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-08-13 20:36:46,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1
[2024-08-13 20:36:46,288 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] ===
[2024-08-13 20:36:46,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 20:36:46,289 INFO L85 PathProgramCache]: Analyzing trace with hash -646721449, now seen corresponding path program 1 times
[2024-08-13 20:36:46,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 20:36:46,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225955302]
[2024-08-13 20:36:46,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 20:36:46,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 20:36:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 20:36:46,604 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-08-13 20:36:46,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 20:36:46,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225955302]
[2024-08-13 20:36:46,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225955302] provided 0 perfect and 1 imperfect interpolant sequences
[2024-08-13 20:36:46,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212028586]
[2024-08-13 20:36:46,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 20:36:46,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-08-13 20:36:46,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-08-13 20:36:46,607 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-08-13 20:36:46,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-08-13 20:36:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 20:36:46,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 16 conjunts are in the unsatisfiable core
[2024-08-13 20:36:46,685 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-08-13 20:36:47,033 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-08-13 20:36:47,033 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-08-13 20:36:48,293 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-08-13 20:36:48,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [212028586] provided 0 perfect and 2 imperfect interpolant sequences
[2024-08-13 20:36:48,294 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-08-13 20:36:48,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 18
[2024-08-13 20:36:48,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341394683]
[2024-08-13 20:36:48,296 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-08-13 20:36:48,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states
[2024-08-13 20:36:48,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 20:36:48,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants.
[2024-08-13 20:36:48,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380
[2024-08-13 20:36:48,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-08-13 20:36:48,300 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 20:36:48,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 3.3157894736842106) internal successors, (63), 19 states have internal predecessors, (63), 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)
[2024-08-13 20:36:48,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-08-13 20:36:48,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2024-08-13 20:36:48,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-08-13 20:36:49,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-08-13 20:36:49,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-08-13 20:36:49,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2024-08-13 20:36:49,182 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-08-13 20:36:49,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-08-13 20:36:49,375 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] ===
[2024-08-13 20:36:49,375 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 20:36:49,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1245819758, now seen corresponding path program 1 times
[2024-08-13 20:36:49,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 20:36:49,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131100350]
[2024-08-13 20:36:49,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 20:36:49,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 20:36:49,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 20:36:49,415 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-08-13 20:36:49,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 20:36:49,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131100350]
[2024-08-13 20:36:49,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131100350] provided 1 perfect and 0 imperfect interpolant sequences
[2024-08-13 20:36:49,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-08-13 20:36:49,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-08-13 20:36:49,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363558586]
[2024-08-13 20:36:49,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-08-13 20:36:49,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-08-13 20:36:49,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 20:36:49,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-08-13 20:36:49,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-08-13 20:36:49,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-08-13 20:36:49,418 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 20:36:49,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-08-13 20:36:49,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-08-13 20:36:49,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2024-08-13 20:36:49,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states.
[2024-08-13 20:36:49,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-08-13 20:36:49,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-08-13 20:36:49,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-08-13 20:36:49,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2024-08-13 20:36:49,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-08-13 20:36:49,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-08-13 20:36:49,494 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] ===
[2024-08-13 20:36:49,494 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 20:36:49,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1941567119, now seen corresponding path program 1 times
[2024-08-13 20:36:49,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 20:36:49,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827041994]
[2024-08-13 20:36:49,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 20:36:49,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 20:36:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 20:36:49,852 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-08-13 20:36:49,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 20:36:49,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827041994]
[2024-08-13 20:36:49,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827041994] provided 0 perfect and 1 imperfect interpolant sequences
[2024-08-13 20:36:49,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281252115]
[2024-08-13 20:36:49,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 20:36:49,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-08-13 20:36:49,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-08-13 20:36:49,854 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-08-13 20:36:49,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-08-13 20:36:49,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 20:36:49,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 40 conjunts are in the unsatisfiable core
[2024-08-13 20:36:49,917 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-08-13 20:36:50,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3
[2024-08-13 20:36:50,426 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-08-13 20:36:50,426 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-08-13 20:36:50,717 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-08-13 20:36:50,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 31
[2024-08-13 20:36:51,529 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-08-13 20:36:51,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281252115] provided 0 perfect and 2 imperfect interpolant sequences
[2024-08-13 20:36:51,529 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-08-13 20:36:51,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 29
[2024-08-13 20:36:51,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619309448]
[2024-08-13 20:36:51,529 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-08-13 20:36:51,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states
[2024-08-13 20:36:51,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 20:36:51,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants.
[2024-08-13 20:36:51,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=710, Unknown=0, NotChecked=0, Total=930
[2024-08-13 20:36:51,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-08-13 20:36:51,531 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 20:36:51,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 2.7) internal successors, (81), 30 states have internal predecessors, (81), 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)
[2024-08-13 20:36:51,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-08-13 20:36:51,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2024-08-13 20:36:51,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states.
[2024-08-13 20:36:51,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-08-13 20:36:51,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-08-13 20:36:52,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-08-13 20:36:52,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-08-13 20:36:52,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2024-08-13 20:36:52,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-08-13 20:36:52,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2024-08-13 20:36:52,773 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2024-08-13 20:36:52,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-08-13 20:36:52,962 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] ===
[2024-08-13 20:36:52,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 20:36:52,962 INFO L85 PathProgramCache]: Analyzing trace with hash 53528233, now seen corresponding path program 1 times
[2024-08-13 20:36:52,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 20:36:52,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313862328]
[2024-08-13 20:36:52,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 20:36:52,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 20:36:52,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 20:36:53,026 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2024-08-13 20:36:53,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 20:36:53,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313862328]
[2024-08-13 20:36:53,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313862328] provided 1 perfect and 0 imperfect interpolant sequences
[2024-08-13 20:36:53,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-08-13 20:36:53,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-08-13 20:36:53,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307454880]
[2024-08-13 20:36:53,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-08-13 20:36:53,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-08-13 20:36:53,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 20:36:53,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-08-13 20:36:53,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-08-13 20:36:53,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-08-13 20:36:53,029 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 20:36:53,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 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)
[2024-08-13 20:36:53,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-08-13 20:36:53,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2024-08-13 20:36:53,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states.
[2024-08-13 20:36:53,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-08-13 20:36:53,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states.
[2024-08-13 20:36:53,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-08-13 20:36:53,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-08-13 20:36:53,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-08-13 20:36:53,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2024-08-13 20:36:53,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-08-13 20:36:53,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2024-08-13 20:36:53,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-08-13 20:36:53,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-08-13 20:36:53,146 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] ===
[2024-08-13 20:36:53,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 20:36:53,146 INFO L85 PathProgramCache]: Analyzing trace with hash 277328152, now seen corresponding path program 2 times
[2024-08-13 20:36:53,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 20:36:53,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239071598]
[2024-08-13 20:36:53,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 20:36:53,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 20:36:53,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 20:36:53,650 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-08-13 20:36:53,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 20:36:53,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239071598]
[2024-08-13 20:36:53,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239071598] provided 0 perfect and 1 imperfect interpolant sequences
[2024-08-13 20:36:53,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675386274]
[2024-08-13 20:36:53,650 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-08-13 20:36:53,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-08-13 20:36:53,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-08-13 20:36:53,652 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-08-13 20:36:53,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-08-13 20:36:53,717 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-08-13 20:36:53,717 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-08-13 20:36:53,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 14 conjunts are in the unsatisfiable core
[2024-08-13 20:36:53,720 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-08-13 20:36:54,042 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2024-08-13 20:36:54,042 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-08-13 20:36:54,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1675386274] provided 1 perfect and 0 imperfect interpolant sequences
[2024-08-13 20:36:54,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-08-13 20:36:54,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [13] total 17
[2024-08-13 20:36:54,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260126315]
[2024-08-13 20:36:54,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-08-13 20:36:54,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-08-13 20:36:54,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 20:36:54,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-08-13 20:36:54,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342
[2024-08-13 20:36:54,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-08-13 20:36:54,046 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 20:36:54,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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)
[2024-08-13 20:36:54,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-08-13 20:36:54,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2024-08-13 20:36:54,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states.
[2024-08-13 20:36:54,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-08-13 20:36:54,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states.
[2024-08-13 20:36:54,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-08-13 20:36:54,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-08-13 20:36:56,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-08-13 20:36:56,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-08-13 20:36:56,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2024-08-13 20:36:56,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-08-13 20:36:56,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states.
[2024-08-13 20:36:56,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-08-13 20:36:56,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-08-13 20:36:56,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 6 remaining)
[2024-08-13 20:36:56,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 6 remaining)
[2024-08-13 20:36:56,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 6 remaining)
[2024-08-13 20:36:56,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining)
[2024-08-13 20:36:56,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining)
[2024-08-13 20:36:56,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining)
[2024-08-13 20:36:56,404 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-08-13 20:36:56,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6
[2024-08-13 20:36:56,597 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1]
[2024-08-13 20:36:56,599 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-08-13 20:36:56,599 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2024-08-13 20:36:56,600 INFO L507 ceAbstractionStarter]: Automizer considered 3 witness invariants
[2024-08-13 20:36:56,600 INFO L508 ceAbstractionStarter]: WitnessConsidered=3
[2024-08-13 20:36:56,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.08 08:36:56 BasicIcfg
[2024-08-13 20:36:56,601 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-08-13 20:36:56,601 INFO L158 Benchmark]: Toolchain (without parser) took 13313.24ms. Allocated memory was 190.8MB in the beginning and 400.6MB in the end (delta: 209.7MB). Free memory was 120.3MB in the beginning and 323.0MB in the end (delta: -202.7MB). Peak memory consumption was 208.6MB. Max. memory is 16.1GB.
[2024-08-13 20:36:56,602 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 104.9MB. Free memory is still 75.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-08-13 20:36:56,602 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 190.8MB. Free memory was 165.6MB in the beginning and 165.4MB in the end (delta: 223.7kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-08-13 20:36:56,602 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.08ms. Allocated memory is still 190.8MB. Free memory was 120.1MB in the beginning and 104.4MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-08-13 20:36:56,602 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.06ms. Allocated memory is still 190.8MB. Free memory was 104.4MB in the beginning and 101.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-08-13 20:36:56,602 INFO L158 Benchmark]: Boogie Preprocessor took 84.52ms. Allocated memory is still 190.8MB. Free memory was 101.4MB in the beginning and 161.3MB in the end (delta: -59.9MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB.
[2024-08-13 20:36:56,603 INFO L158 Benchmark]: RCFGBuilder took 572.00ms. Allocated memory is still 190.8MB. Free memory was 161.3MB in the beginning and 116.1MB in the end (delta: 45.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB.
[2024-08-13 20:36:56,603 INFO L158 Benchmark]: TraceAbstraction took 12341.79ms. Allocated memory was 190.8MB in the beginning and 400.6MB in the end (delta: 209.7MB). Free memory was 115.4MB in the beginning and 323.0MB in the end (delta: -207.7MB). Peak memory consumption was 203.4MB. Max. memory is 16.1GB.
[2024-08-13 20:36:56,604 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 0.14ms. Allocated memory is still 104.9MB. Free memory is still 75.8MB. There was no memory consumed. Max. memory is 16.1GB.
* CDTParser took 0.09ms. Allocated memory is still 190.8MB. Free memory was 165.6MB in the beginning and 165.4MB in the end (delta: 223.7kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 264.08ms. Allocated memory is still 190.8MB. Free memory was 120.1MB in the beginning and 104.4MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 46.06ms. Allocated memory is still 190.8MB. Free memory was 104.4MB in the beginning and 101.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 84.52ms. Allocated memory is still 190.8MB. Free memory was 101.4MB in the beginning and 161.3MB in the end (delta: -59.9MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB.
* RCFGBuilder took 572.00ms. Allocated memory is still 190.8MB. Free memory was 161.3MB in the beginning and 116.1MB in the end (delta: 45.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB.
* TraceAbstraction took 12341.79ms. Allocated memory was 190.8MB in the beginning and 400.6MB in the end (delta: 209.7MB). Free memory was 115.4MB in the beginning and 323.0MB in the end (delta: -207.7MB). Peak memory consumption was 203.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Independence relation #1 benchmarks
ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 84419, independent: 75929, independent conditional: 75063, independent unconditional: 866, dependent: 8490, dependent conditional: 8463, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 77446, independent: 75929, independent conditional: 75063, independent unconditional: 866, dependent: 1517, dependent conditional: 1490, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 77446, independent: 75929, independent conditional: 75063, independent unconditional: 866, dependent: 1517, dependent conditional: 1490, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 90499, independent: 75929, independent conditional: 4380, independent unconditional: 71549, dependent: 14570, dependent conditional: 8673, dependent unconditional: 5897, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 90499, independent: 75929, independent conditional: 4380, independent unconditional: 71549, dependent: 14570, dependent conditional: 8384, dependent unconditional: 6186, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 90499, independent: 75929, independent conditional: 4380, independent unconditional: 71549, dependent: 14570, dependent conditional: 8384, dependent unconditional: 6186, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1054, independent: 834, independent conditional: 68, independent unconditional: 766, dependent: 220, dependent conditional: 192, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1054, independent: 748, independent conditional: 0, independent unconditional: 748, dependent: 306, dependent conditional: 0, dependent unconditional: 306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 306, independent: 86, independent conditional: 68, independent unconditional: 18, dependent: 220, dependent conditional: 192, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 306, independent: 86, independent conditional: 68, independent unconditional: 18, dependent: 220, dependent conditional: 192, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 779, independent: 290, independent conditional: 189, independent unconditional: 101, dependent: 489, dependent conditional: 416, dependent unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 90499, independent: 75095, independent conditional: 4312, independent unconditional: 70783, dependent: 14350, dependent conditional: 8192, dependent unconditional: 6158, unknown: 1054, unknown conditional: 260, unknown unconditional: 794] , Statistics on independence cache: Total cache size (in pairs): 1054, Positive cache size: 834, Positive conditional cache size: 68, Positive unconditional cache size: 766, Negative cache size: 220, Negative conditional cache size: 192, Negative unconditional cache size: 28, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 289, Maximal queried relation: 6, Independence queries for same thread: 6973
- StatisticsResult: Persistent set benchmarks
Persistent set computation time: 0.3s, Number of persistent set computation: 488, Number of trivial persistent sets: 354, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 893, independent: 866, independent conditional: 0, independent unconditional: 866, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 84419, independent: 75929, independent conditional: 75063, independent unconditional: 866, dependent: 8490, dependent conditional: 8463, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 77446, independent: 75929, independent conditional: 75063, independent unconditional: 866, dependent: 1517, dependent conditional: 1490, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 77446, independent: 75929, independent conditional: 75063, independent unconditional: 866, dependent: 1517, dependent conditional: 1490, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 90499, independent: 75929, independent conditional: 4380, independent unconditional: 71549, dependent: 14570, dependent conditional: 8673, dependent unconditional: 5897, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 90499, independent: 75929, independent conditional: 4380, independent unconditional: 71549, dependent: 14570, dependent conditional: 8384, dependent unconditional: 6186, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 90499, independent: 75929, independent conditional: 4380, independent unconditional: 71549, dependent: 14570, dependent conditional: 8384, dependent unconditional: 6186, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1054, independent: 834, independent conditional: 68, independent unconditional: 766, dependent: 220, dependent conditional: 192, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1054, independent: 748, independent conditional: 0, independent unconditional: 748, dependent: 306, dependent conditional: 0, dependent unconditional: 306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 306, independent: 86, independent conditional: 68, independent unconditional: 18, dependent: 220, dependent conditional: 192, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 306, independent: 86, independent conditional: 68, independent unconditional: 18, dependent: 220, dependent conditional: 192, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 779, independent: 290, independent conditional: 189, independent unconditional: 101, dependent: 489, dependent conditional: 416, dependent unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 90499, independent: 75095, independent conditional: 4312, independent unconditional: 70783, dependent: 14350, dependent conditional: 8192, dependent unconditional: 6158, unknown: 1054, unknown conditional: 260, unknown unconditional: 794] , Statistics on independence cache: Total cache size (in pairs): 1054, Positive cache size: 834, Positive conditional cache size: 68, Positive unconditional cache size: 766, Negative cache size: 220, Negative conditional cache size: 192, Negative unconditional cache size: 28, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 289, Maximal queried relation: 6, Independence queries for same thread: 6973
- PositiveResult [Line: 111]: invariant of correctness witness holds
For all program executions holds that invariant of correctness witness holds at this location
- PositiveResult [Line: 112]: invariant of correctness witness holds
For all program executions holds that invariant of correctness witness holds at this location
- PositiveResult [Line: 113]: 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 7 procedures, 61 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 12.2s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 5.0s, 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: 77, 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, 5.8s InterpolantComputationTime, 251 NumberOfCodeBlocks, 239 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 294 ConstructedInterpolants, 0 QuantifiedInterpolants, 6373 SizeOfPredicates, 21 NumberOfNonLiveVariables, 594 ConjunctsInSsa, 89 ConjunctsInUnsatCore, 14 InterpolantComputations, 4 PerfectInterpolantSequences, 33/78 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
3 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-08-13 20:36:56,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0
[2024-08-13 20:36:56,826 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