./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/fibonacci.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/fibonacci.wvr.yml/witness.yml --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version e7c74aec
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/fibonacci.wvr.c ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/fibonacci.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false
--- Real Ultimate output ---
This is Ultimate 0.2.4-wip.fs.fix-undeclared-acsl-variable-e7c74ae-m
[2024-02-07 19:11:56,798 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-02-07 19:11:56,857 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-02-07 19:11:56,863 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-02-07 19:11:56,864 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-02-07 19:11:56,893 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-02-07 19:11:56,895 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-02-07 19:11:56,895 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-02-07 19:11:56,896 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-02-07 19:11:56,900 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-02-07 19:11:56,900 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-02-07 19:11:56,901 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-02-07 19:11:56,902 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-02-07 19:11:56,903 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-02-07 19:11:56,903 INFO L153 SettingsManager]: * Use SBE=true
[2024-02-07 19:11:56,903 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-02-07 19:11:56,904 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-02-07 19:11:56,904 INFO L153 SettingsManager]: * sizeof long=4
[2024-02-07 19:11:56,904 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-02-07 19:11:56,905 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-02-07 19:11:56,905 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-02-07 19:11:56,905 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-02-07 19:11:56,905 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-02-07 19:11:56,906 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-02-07 19:11:56,906 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-02-07 19:11:56,906 INFO L153 SettingsManager]: * sizeof long double=12
[2024-02-07 19:11:56,907 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-02-07 19:11:56,907 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-02-07 19:11:56,908 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-02-07 19:11:56,908 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-02-07 19:11:56,909 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-02-07 19:11:56,909 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-02-07 19:11:56,909 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-02-07 19:11:56,909 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-02-07 19:11:56,910 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-02-07 19:11:56,910 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-02-07 19:11:56,910 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-02-07 19:11:56,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-02-07 19:11:56,910 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-02-07 19:11:56,910 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-02-07 19:11:56,911 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-02-07 19:11:56,911 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-02-07 19:11:56,911 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-02-07 19:11:56,911 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
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/UAutomizer-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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false
[2024-02-07 19:11:57,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-02-07 19:11:57,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-02-07 19:11:57,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-02-07 19:11:57,243 INFO L270 PluginConnector]: Initializing Witness Parser...
[2024-02-07 19:11:57,245 INFO L274 PluginConnector]: Witness Parser initialized
[2024-02-07 19:11:57,246 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/fibonacci.wvr.yml/witness.yml
[2024-02-07 19:11:57,361 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-02-07 19:11:57,362 INFO L274 PluginConnector]: CDTParser initialized
[2024-02-07 19:11:57,363 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/fibonacci.wvr.c
[2024-02-07 19:11:58,449 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-02-07 19:11:58,632 INFO L384 CDTParser]: Found 1 translation units.
[2024-02-07 19:11:58,632 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/fibonacci.wvr.c
[2024-02-07 19:11:58,639 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9125aacaf/74245905662649a59515554d175ee5b2/FLAG0103f1683
[2024-02-07 19:11:58,653 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9125aacaf/74245905662649a59515554d175ee5b2
[2024-02-07 19:11:58,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-02-07 19:11:58,655 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements.
[2024-02-07 19:11:58,657 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-02-07 19:11:58,657 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-02-07 19:11:58,661 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-02-07 19:11:58,662 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:11:57" (1/2) ...
[2024-02-07 19:11:58,663 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d06d21a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:11:58, skipping insertion in model container
[2024-02-07 19:11:58,663 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:11:57" (1/2) ...
[2024-02-07 19:11:58,664 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@75f2627b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:11:58, skipping insertion in model container
[2024-02-07 19:11:58,665 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:11:58" (2/2) ...
[2024-02-07 19:11:58,665 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d06d21a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:11:58, skipping insertion in model container
[2024-02-07 19:11:58,665 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:11:58" (2/2) ...
[2024-02-07 19:11:58,666 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness
[2024-02-07 19:11:58,687 INFO L74 edCorrectnessWitness]: Found the following entries in the witness:
[2024-02-07 19:11:58,688 INFO L76 edCorrectnessWitness]: Location invariant before [L91-L91] (b <= -1) && (b != 0)
[2024-02-07 19:11:58,688 INFO L76 edCorrectnessWitness]: Location invariant before [L90-L90] (1 <= b) && (b != 0)
[2024-02-07 19:11:58,688 INFO L76 edCorrectnessWitness]: Location invariant before [L97-L97] (1 <= b) && (b != 0)
[2024-02-07 19:11:58,688 INFO L76 edCorrectnessWitness]: Location invariant before [L67-L67] ((((0LL - (long long )f1_2) + (long long )f1_6 >= 0LL) && ((long long )f1_2 + (long long )f1_6 >= 0LL)) && ((0LL - (long long )f1_2) - (long long )f1_6 >= 0LL)) && ((long long )f1_2 - (long long )f1_6 >= 0LL)
[2024-02-07 19:11:58,689 INFO L76 edCorrectnessWitness]: Location invariant before [L68-L68] ((((0LL - (long long )f1_2) + (long long )f1_6 >= 0LL) && ((long long )f1_2 + (long long )f1_6 >= 0LL)) && ((0LL - (long long )f1_2) - (long long )f1_6 >= 0LL)) && ((long long )f1_2 - (long long )f1_6 >= 0LL)
[2024-02-07 19:11:58,689 INFO L76 edCorrectnessWitness]: Location invariant before [L96-L96] (b <= -1) && (b != 0)
[2024-02-07 19:11:58,705 INFO L181 MainTranslator]: Built tables and reachable declarations
[2024-02-07 19:11:58,940 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/fibonacci.wvr.c[2356,2369]
[2024-02-07 19:11:58,955 INFO L207 PostProcessor]: Analyzing one entry point: main
[2024-02-07 19:11:58,964 INFO L206 MainTranslator]: Completed pre-run
Start Parsing Local
Start Parsing Local
[2024-02-07 19:11:59,050 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/fibonacci.wvr.c[2356,2369]
Start Parsing Local
Start Parsing Local
Start Parsing Local
Start Parsing Local
[2024-02-07 19:11:59,061 INFO L207 PostProcessor]: Analyzing one entry point: main
[2024-02-07 19:11:59,078 INFO L211 MainTranslator]: Completed translation
[2024-02-07 19:11:59,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:11:59 WrapperNode
[2024-02-07 19:11:59,080 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-02-07 19:11:59,081 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-02-07 19:11:59,081 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-02-07 19:11:59,081 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-02-07 19:11:59,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:11:59" (1/1) ...
[2024-02-07 19:11:59,096 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:11:59" (1/1) ...
[2024-02-07 19:11:59,129 INFO L138 Inliner]: procedures = 23, calls = 28, calls flagged for inlining = 12, calls inlined = 16, statements flattened = 182
[2024-02-07 19:11:59,129 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-02-07 19:11:59,132 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-02-07 19:11:59,132 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-02-07 19:11:59,132 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-02-07 19:11:59,143 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:11:59" (1/1) ...
[2024-02-07 19:11:59,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:11:59" (1/1) ...
[2024-02-07 19:11:59,149 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:11:59" (1/1) ...
[2024-02-07 19:11:59,165 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1].
[2024-02-07 19:11:59,165 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:11:59" (1/1) ...
[2024-02-07 19:11:59,165 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:11:59" (1/1) ...
[2024-02-07 19:11:59,173 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:11:59" (1/1) ...
[2024-02-07 19:11:59,176 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:11:59" (1/1) ...
[2024-02-07 19:11:59,178 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:11:59" (1/1) ...
[2024-02-07 19:11:59,179 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:11:59" (1/1) ...
[2024-02-07 19:11:59,186 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-02-07 19:11:59,194 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-02-07 19:11:59,194 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-02-07 19:11:59,195 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-02-07 19:11:59,196 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:11:59" (1/1) ...
[2024-02-07 19:11:59,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-02-07 19:11:59,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-02-07 19:11:59,241 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-02-07 19:11:59,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-02-07 19:11:59,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-02-07 19:11:59,274 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2024-02-07 19:11:59,274 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2024-02-07 19:11:59,274 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2024-02-07 19:11:59,275 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2024-02-07 19:11:59,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-02-07 19:11:59,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-02-07 19:11:59,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-02-07 19:11:59,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-02-07 19:11:59,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-02-07 19:11:59,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-02-07 19:11:59,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2024-02-07 19:11:59,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-02-07 19:11:59,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-02-07 19:11:59,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-02-07 19:11:59,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-02-07 19:11:59,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2024-02-07 19:11:59,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-02-07 19:11:59,278 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2024-02-07 19:11:59,378 INFO L244 CfgBuilder]: Building ICFG
[2024-02-07 19:11:59,380 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-02-07 19:11:59,648 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program.
[2024-02-07 19:11:59,648 INFO L293 CfgBuilder]: Performing block encoding
[2024-02-07 19:11:59,893 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-02-07 19:11:59,893 INFO L320 CfgBuilder]: Removed 2 assume(true) statements.
[2024-02-07 19:11:59,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:11:59 BoogieIcfgContainer
[2024-02-07 19:11:59,894 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-02-07 19:11:59,924 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-02-07 19:11:59,925 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-02-07 19:11:59,931 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-02-07 19:11:59,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:11:57" (1/4) ...
[2024-02-07 19:11:59,933 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@583262e1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:11:59, skipping insertion in model container
[2024-02-07 19:11:59,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:11:58" (2/4) ...
[2024-02-07 19:11:59,933 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@583262e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:11:59, skipping insertion in model container
[2024-02-07 19:11:59,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:11:59" (3/4) ...
[2024-02-07 19:11:59,934 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@583262e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:11:59, skipping insertion in model container
[2024-02-07 19:11:59,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:11:59" (4/4) ...
[2024-02-07 19:11:59,935 INFO L112 eAbstractionObserver]: Analyzing ICFG fibonacci.wvr.c
[2024-02-07 19:11:59,983 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-02-07 19:11:59,983 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations.
[2024-02-07 19:11:59,983 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-02-07 19:12:00,020 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-02-07 19:12:00,046 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 44 places, 39 transitions, 92 flow
[2024-02-07 19:12:00,064 INFO L124 PetriNetUnfolderBase]: 2/37 cut-off events.
[2024-02-07 19:12:00,065 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2024-02-07 19:12:00,067 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 37 events. 2/37 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 72 event pairs, 0 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 27. Up to 2 conditions per place.
[2024-02-07 19:12:00,067 INFO L82 GeneralOperation]: Start removeDead. Operand has 44 places, 39 transitions, 92 flow
[2024-02-07 19:12:00,069 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 41 places, 36 transitions, 84 flow
[2024-02-07 19:12:00,081 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-02-07 19:12:00,087 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=PETRI_NET, 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;@2ddaa1c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-02-07 19:12:00,088 INFO L358 AbstractCegarLoop]: Starting to check reachability of 21 error locations.
[2024-02-07 19:12:00,091 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-02-07 19:12:00,091 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events.
[2024-02-07 19:12:00,091 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-02-07 19:12:00,091 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-02-07 19:12:00,092 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1]
[2024-02-07 19:12:00,092 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 18 more)] ===
[2024-02-07 19:12:00,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-02-07 19:12:00,098 INFO L85 PathProgramCache]: Analyzing trace with hash 18284, now seen corresponding path program 1 times
[2024-02-07 19:12:00,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-07 19:12:00,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876957568]
[2024-02-07 19:12:00,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-07 19:12:00,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-07 19:12:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-07 19:12:00,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-02-07 19:12:00,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-07 19:12:00,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876957568]
[2024-02-07 19:12:00,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876957568] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-07 19:12:00,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-07 19:12:00,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-02-07 19:12:00,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530536527]
[2024-02-07 19:12:00,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-07 19:12:00,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-02-07 19:12:00,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-07 19:12:00,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-02-07 19:12:00,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-02-07 19:12:00,332 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 39
[2024-02-07 19:12:00,334 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 36 transitions, 84 flow. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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)
[2024-02-07 19:12:00,334 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-07 19:12:00,334 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 39
[2024-02-07 19:12:00,335 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-07 19:12:00,467 INFO L124 PetriNetUnfolderBase]: 176/386 cut-off events.
[2024-02-07 19:12:00,467 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES.
[2024-02-07 19:12:00,469 INFO L83 FinitePrefix]: Finished finitePrefix Result has 721 conditions, 386 events. 176/386 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1764 event pairs, 144 based on Foata normal form. 0/354 useless extension candidates. Maximal degree in co-relation 635. Up to 306 conditions per place.
[2024-02-07 19:12:00,472 INFO L140 encePairwiseOnDemand]: 35/39 looper letters, 23 selfloop transitions, 2 changer transitions 0/34 dead transitions.
[2024-02-07 19:12:00,472 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 34 transitions, 130 flow
[2024-02-07 19:12:00,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-02-07 19:12:00,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-02-07 19:12:00,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 60 transitions.
[2024-02-07 19:12:00,481 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5128205128205128
[2024-02-07 19:12:00,483 INFO L175 Difference]: Start difference. First operand has 41 places, 36 transitions, 84 flow. Second operand 3 states and 60 transitions.
[2024-02-07 19:12:00,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 34 transitions, 130 flow
[2024-02-07 19:12:00,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 34 transitions, 122 flow, removed 0 selfloop flow, removed 4 redundant places.
[2024-02-07 19:12:00,489 INFO L231 Difference]: Finished difference. Result has 37 places, 34 transitions, 76 flow
[2024-02-07 19:12:00,491 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=37, PETRI_TRANSITIONS=34}
[2024-02-07 19:12:00,494 INFO L281 CegarLoopForPetriNet]: 41 programPoint places, -4 predicate places.
[2024-02-07 19:12:00,494 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 34 transitions, 76 flow
[2024-02-07 19:12:00,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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)
[2024-02-07 19:12:00,495 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-02-07 19:12:00,496 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-02-07 19:12:00,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-02-07 19:12:00,496 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 18 more)] ===
[2024-02-07 19:12:00,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-02-07 19:12:00,497 INFO L85 PathProgramCache]: Analyzing trace with hash 9898803, now seen corresponding path program 1 times
[2024-02-07 19:12:00,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-07 19:12:00,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429235085]
[2024-02-07 19:12:00,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-07 19:12:00,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-07 19:12:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-02-07 19:12:00,546 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-02-07 19:12:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-02-07 19:12:00,600 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-02-07 19:12:00,601 INFO L360 BasicCegarLoop]: Counterexample is feasible
[2024-02-07 19:12:00,602 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 21 remaining)
[2024-02-07 19:12:00,607 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 21 remaining)
[2024-02-07 19:12:00,607 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 21 remaining)
[2024-02-07 19:12:00,608 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 21 remaining)
[2024-02-07 19:12:00,608 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 21 remaining)
[2024-02-07 19:12:00,608 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 21 remaining)
[2024-02-07 19:12:00,608 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 21 remaining)
[2024-02-07 19:12:00,608 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 21 remaining)
[2024-02-07 19:12:00,608 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 21 remaining)
[2024-02-07 19:12:00,609 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 21 remaining)
[2024-02-07 19:12:00,610 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 21 remaining)
[2024-02-07 19:12:00,611 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (9 of 21 remaining)
[2024-02-07 19:12:00,611 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 21 remaining)
[2024-02-07 19:12:00,611 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 21 remaining)
[2024-02-07 19:12:00,611 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 21 remaining)
[2024-02-07 19:12:00,611 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 21 remaining)
[2024-02-07 19:12:00,612 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 21 remaining)
[2024-02-07 19:12:00,612 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 21 remaining)
[2024-02-07 19:12:00,612 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 21 remaining)
[2024-02-07 19:12:00,612 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 21 remaining)
[2024-02-07 19:12:00,613 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 21 remaining)
[2024-02-07 19:12:00,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-02-07 19:12:00,615 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-02-07 19:12:00,622 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-02-07 19:12:00,624 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2024-02-07 19:12:00,648 INFO L503 ceAbstractionStarter]: Automizer considered 10 witness invariants
[2024-02-07 19:12:00,648 INFO L504 ceAbstractionStarter]: WitnessConsidered=10
[2024-02-07 19:12:00,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 07:12:00 BasicIcfg
[2024-02-07 19:12:00,653 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-02-07 19:12:00,654 INFO L158 Benchmark]: Toolchain (without parser) took 1998.80ms. Allocated memory was 123.7MB in the beginning and 155.2MB in the end (delta: 31.5MB). Free memory was 62.7MB in the beginning and 59.8MB in the end (delta: 3.0MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB.
[2024-02-07 19:12:00,654 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 123.7MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-02-07 19:12:00,655 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 123.7MB. Free memory is still 69.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-02-07 19:12:00,656 INFO L158 Benchmark]: CACSL2BoogieTranslator took 423.49ms. Allocated memory was 123.7MB in the beginning and 155.2MB in the end (delta: 31.5MB). Free memory was 62.4MB in the beginning and 117.5MB in the end (delta: -55.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2024-02-07 19:12:00,658 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.33ms. Allocated memory is still 155.2MB. Free memory was 117.5MB in the beginning and 115.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-02-07 19:12:00,658 INFO L158 Benchmark]: Boogie Preprocessor took 61.32ms. Allocated memory is still 155.2MB. Free memory was 115.4MB in the beginning and 112.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-02-07 19:12:00,658 INFO L158 Benchmark]: RCFGBuilder took 699.84ms. Allocated memory is still 155.2MB. Free memory was 112.9MB in the beginning and 54.1MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB.
[2024-02-07 19:12:00,658 INFO L158 Benchmark]: TraceAbstraction took 728.65ms. Allocated memory is still 155.2MB. Free memory was 123.6MB in the beginning and 59.8MB in the end (delta: 63.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB.
[2024-02-07 19:12:00,663 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 0.20ms. Allocated memory is still 123.7MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB.
* CDTParser took 0.15ms. Allocated memory is still 123.7MB. Free memory is still 69.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 423.49ms. Allocated memory was 123.7MB in the beginning and 155.2MB in the end (delta: 31.5MB). Free memory was 62.4MB in the beginning and 117.5MB in the end (delta: -55.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 48.33ms. Allocated memory is still 155.2MB. Free memory was 117.5MB in the beginning and 115.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 61.32ms. Allocated memory is still 155.2MB. Free memory was 115.4MB in the beginning and 112.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 699.84ms. Allocated memory is still 155.2MB. Free memory was 112.9MB in the beginning and 54.1MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB.
* TraceAbstraction took 728.65ms. Allocated memory is still 155.2MB. Free memory was 123.6MB in the beginning and 59.8MB in the end (delta: 63.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 96]: invariant of correctness witness can be violated
invariant of correctness witness can be violated
We found a FailurePath:
[L38] 0 int n_0, f1_2, f2_3, l_4, f1_6, f2_7, l_8;
[L64] 0 pthread_t t1, t2;
VAL [f1_2=0, f1_6=0, f2_3=0, f2_7=0, l_4=0, l_8=0, n_0=0, t1={5:0}, t2={3:0}]
[L67] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[f1_2]]],CastExpression[ACSLType[long long],IdentifierExpression[f1_6]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[f1_2]],CastExpression[ACSLType[long long],IdentifierExpression[f1_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[f1_2]]],CastExpression[ACSLType[long long],IdentifierExpression[f1_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[f1_2]],CastExpression[ACSLType[long long],IdentifierExpression[f1_6]]],IntegerLiteral[0LL]]]]]
[L67] 0 n_0 = __VERIFIER_nondet_int()
[L68] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[f1_2]]],CastExpression[ACSLType[long long],IdentifierExpression[f1_6]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[f1_2]],CastExpression[ACSLType[long long],IdentifierExpression[f1_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[f1_2]]],CastExpression[ACSLType[long long],IdentifierExpression[f1_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[f1_2]],CastExpression[ACSLType[long long],IdentifierExpression[f1_6]]],IntegerLiteral[0LL]]]]]
[L68] 0 f1_2 = __VERIFIER_nondet_int()
[L69] 0 f2_3 = __VERIFIER_nondet_int()
[L70] 0 l_4 = __VERIFIER_nondet_int()
[L71] 0 f1_6 = __VERIFIER_nondet_int()
[L72] 0 f2_7 = __VERIFIER_nondet_int()
[L73] 0 l_8 = __VERIFIER_nondet_int()
[L76] CALL 0 assume_abort_if_not(f1_2 == f1_6 && f2_3 == f2_7)
[L35] COND FALSE 0 !(!cond)
[L76] RET 0 assume_abort_if_not(f1_2 == f1_6 && f2_3 == f2_7)
[L78] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0)
VAL [f1_2=0, f1_6=0, f2_3=0, f2_7=0, l_4=0, l_8=0, n_0=1, t1={5:0}, t2={3:0}]
[L44] 1 int i=0;
VAL [_argptr={0:0}, _argptr={0:0}, f1_2=0, f1_6=0, f2_3=0, f2_7=0, i=0, l_4=0, l_8=0, n_0=1]
[L44] COND TRUE 1 i<n_0
[L45] CALL 1 plus(f1_2, f2_3)
[L96] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IdentifierExpression[b],UnaryExpression[MINUS,IntegerLiteral[1]]],BinaryExpression[COMPNEQ,IdentifierExpression[b],IntegerLiteral[0]]]]]
VAL [\old(a)=0, \old(b)=0, a=0, b=0, f1_2=0, f1_6=0, f2_3=0, f2_7=0, l_4=0, l_8=0, n_0=1]
- UnprovableResult [Line: 97]: Unable to prove that invariant of correctness witness holds
Unable to prove that invariant of correctness witness holds
Reason: Not analyzed.
- UnprovableResult [Line: 90]: Unable to prove that invariant of correctness witness holds
Unable to prove that invariant of correctness witness holds
Reason: Not analyzed.
- UnprovableResult [Line: 91]: Unable to prove that invariant of correctness witness holds
Unable to prove that invariant of correctness witness holds
Reason: Not analyzed.
- UnprovableResult [Line: 96]: Unable to prove that invariant of correctness witness holds
Unable to prove that invariant of correctness witness holds
Reason: Not analyzed.
- UnprovableResult [Line: 97]: Unable to prove that invariant of correctness witness holds
Unable to prove that invariant of correctness witness holds
Reason: Not analyzed.
- UnprovableResult [Line: 90]: Unable to prove that invariant of correctness witness holds
Unable to prove that invariant of correctness witness holds
Reason: Not analyzed.
- UnprovableResult [Line: 91]: Unable to prove that invariant of correctness witness holds
Unable to prove that invariant of correctness witness holds
Reason: Not analyzed.
- UnprovableResult [Line: 67]: Unable to prove that invariant of correctness witness holds
Unable to prove that invariant of correctness witness holds
Reason: Not analyzed.
- UnprovableResult [Line: 68]: Unable to prove that invariant of correctness witness holds
Unable to prove that invariant of correctness witness holds
Reason: Not analyzed.
- UnprovableResult [Line: 84]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: Not analyzed.
- UnprovableResult [Line: 78]: Unable to prove that petrification did provide enough thread instances (tool internal message)
Unable to prove that petrification did provide enough thread instances (tool internal message)
Reason: Not analyzed.
- UnprovableResult [Line: 79]: Unable to prove that petrification did provide enough thread instances (tool internal message)
Unable to prove that petrification did provide enough thread instances (tool internal message)
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 5 procedures, 62 locations, 21 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 0 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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
RESULT: Ultimate proved your program to be incorrect!
[2024-02-07 19:12:00,684 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE