/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/ldv-regression/test21-2.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.1-dev-b7b32d2
[2021-02-21 20:39:01,137 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-02-21 20:39:01,140 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-02-21 20:39:01,174 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-02-21 20:39:01,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-02-21 20:39:01,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-02-21 20:39:01,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2021-02-21 20:39:01,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-02-21 20:39:01,192 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-02-21 20:39:01,193 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-02-21 20:39:01,195 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-02-21 20:39:01,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-02-21 20:39:01,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-02-21 20:39:01,201 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-02-21 20:39:01,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-02-21 20:39:01,203 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
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[2021-02-21 20:39:01,273 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf
[2021-02-21 20:39:01,285 INFO L113 SettingsManager]: Loading preferences was successful
[2021-02-21 20:39:01,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-02-21 20:39:01,287 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-02-21 20:39:01,287 INFO L138 SettingsManager]: * sizeof long=4
[2021-02-21 20:39:01,287 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-02-21 20:39:01,288 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-02-21 20:39:01,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-02-21 20:39:01,288 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-02-21 20:39:01,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-02-21 20:39:01,288 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-02-21 20:39:01,289 INFO L138 SettingsManager]: * sizeof long double=12
[2021-02-21 20:39:01,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-02-21 20:39:01,289 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-02-21 20:39:01,289 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-02-21 20:39:01,289 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-02-21 20:39:01,290 INFO L138 SettingsManager]: * Size of a code block=SingleStatement
[2021-02-21 20:39:01,290 INFO L138 SettingsManager]: * To the following directory=./dump/
[2021-02-21 20:39:01,290 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-02-21 20:39:01,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-02-21 20:39:01,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-02-21 20:39:01,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2021-02-21 20:39:01,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-02-21 20:39:01,291 INFO L138 SettingsManager]: * Use separate solver for trace checks=false
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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-02-21 20:39:01,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-02-21 20:39:01,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-02-21 20:39:01,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-02-21 20:39:01,671 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-02-21 20:39:01,675 INFO L275 PluginConnector]: CDTParser initialized
[2021-02-21 20:39:01,676 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test21-2.c
[2021-02-21 20:39:01,771 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76414556b/92778e4054434d2788ef1531f606c8cc/FLAG10ed8d4c1
[2021-02-21 20:39:02,377 INFO L306 CDTParser]: Found 1 translation units.
[2021-02-21 20:39:02,378 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test21-2.c
[2021-02-21 20:39:02,386 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76414556b/92778e4054434d2788ef1531f606c8cc/FLAG10ed8d4c1
[2021-02-21 20:39:02,765 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76414556b/92778e4054434d2788ef1531f606c8cc
[2021-02-21 20:39:02,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-02-21 20:39:02,783 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2021-02-21 20:39:02,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-02-21 20:39:02,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-02-21 20:39:02,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-02-21 20:39:02,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 08:39:02" (1/1) ...
[2021-02-21 20:39:02,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fea3054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:39:02, skipping insertion in model container
[2021-02-21 20:39:02,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 08:39:02" (1/1) ...
[2021-02-21 20:39:02,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-02-21 20:39:02,823 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-02-21 20:39:02,988 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test21-2.c[892,905]
[2021-02-21 20:39:02,993 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-02-21 20:39:03,005 INFO L203 MainTranslator]: Completed pre-run
[2021-02-21 20:39:03,026 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test21-2.c[892,905]
[2021-02-21 20:39:03,027 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-02-21 20:39:03,045 INFO L208 MainTranslator]: Completed translation
[2021-02-21 20:39:03,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:39:03 WrapperNode
[2021-02-21 20:39:03,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-02-21 20:39:03,048 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-02-21 20:39:03,048 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-02-21 20:39:03,048 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-02-21 20:39:03,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:39:03" (1/1) ...
[2021-02-21 20:39:03,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:39:03" (1/1) ...
[2021-02-21 20:39:03,074 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:39:03" (1/1) ...
[2021-02-21 20:39:03,074 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:39:03" (1/1) ...
[2021-02-21 20:39:03,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:39:03" (1/1) ...
[2021-02-21 20:39:03,087 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:39:03" (1/1) ...
[2021-02-21 20:39:03,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:39:03" (1/1) ...
[2021-02-21 20:39:03,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-02-21 20:39:03,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-02-21 20:39:03,092 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-02-21 20:39:03,092 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-02-21 20:39:03,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:39:03" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-02-21 20:39:03,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2021-02-21 20:39:03,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-02-21 20:39:03,283 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2021-02-21 20:39:03,283 INFO L138 BoogieDeclarations]: Found implementation of procedure init
[2021-02-21 20:39:03,283 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy
[2021-02-21 20:39:03,283 INFO L138 BoogieDeclarations]: Found implementation of procedure check
[2021-02-21 20:39:03,283 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2021-02-21 20:39:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2021-02-21 20:39:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2021-02-21 20:39:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2021-02-21 20:39:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-02-21 20:39:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2021-02-21 20:39:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool
[2021-02-21 20:39:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure init
[2021-02-21 20:39:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-02-21 20:39:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy
[2021-02-21 20:39:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure check
[2021-02-21 20:39:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-02-21 20:39:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2021-02-21 20:39:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2021-02-21 20:39:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-02-21 20:39:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-02-21 20:39:03,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-02-21 20:39:03,838 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-02-21 20:39:03,839 INFO L299 CfgBuilder]: Removed 0 assume(true) statements.
[2021-02-21 20:39:03,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 08:39:03 BoogieIcfgContainer
[2021-02-21 20:39:03,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-02-21 20:39:03,847 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-02-21 20:39:03,847 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-02-21 20:39:03,851 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-02-21 20:39:03,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 08:39:02" (1/3) ...
[2021-02-21 20:39:03,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@344e3787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 08:39:03, skipping insertion in model container
[2021-02-21 20:39:03,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:39:03" (2/3) ...
[2021-02-21 20:39:03,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@344e3787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 08:39:03, skipping insertion in model container
[2021-02-21 20:39:03,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 08:39:03" (3/3) ...
[2021-02-21 20:39:03,855 INFO L111 eAbstractionObserver]: Analyzing ICFG test21-2.c
[2021-02-21 20:39:03,864 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION
[2021-02-21 20:39:03,869 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2021-02-21 20:39:03,893 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-02-21 20:39:03,933 INFO L376 AbstractCegarLoop]: Interprodecural is true
[2021-02-21 20:39:03,933 INFO L377 AbstractCegarLoop]: Hoare is true
[2021-02-21 20:39:03,933 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation
[2021-02-21 20:39:03,934 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-02-21 20:39:03,934 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-02-21 20:39:03,934 INFO L381 AbstractCegarLoop]: Difference is false
[2021-02-21 20:39:03,934 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-02-21 20:39:03,935 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-02-21 20:39:03,965 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states.
[2021-02-21 20:39:03,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2021-02-21 20:39:03,982 INFO L414 BasicCegarLoop]: Found error trace
[2021-02-21 20:39:03,983 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-02-21 20:39:03,984 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-02-21 20:39:03,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-02-21 20:39:03,994 INFO L82 PathProgramCache]: Analyzing trace with hash 69938154, now seen corresponding path program 1 times
[2021-02-21 20:39:04,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2021-02-21 20:39:04,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1222156060]
[2021-02-21 20:39:04,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-02-21 20:39:04,114 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation
[2021-02-21 20:39:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-02-21 20:39:04,344 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-02-21 20:39:04,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-02-21 20:39:04,427 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-02-21 20:39:04,475 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2021-02-21 20:39:04,475 INFO L523 BasicCegarLoop]: Counterexample might be feasible
[2021-02-21 20:39:04,476 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-02-21 20:39:04,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.02 08:39:04 BoogieIcfgContainer
[2021-02-21 20:39:04,499 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-02-21 20:39:04,502 INFO L168 Benchmark]: Toolchain (without parser) took 1730.27 ms. Allocated memory is still 154.1 MB. Free memory was 112.0 MB in the beginning and 100.9 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB.
[2021-02-21 20:39:04,503 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 154.1 MB. Free memory was 128.8 MB in the beginning and 128.7 MB in the end (delta: 106.7 kB). There was no memory consumed. Max. memory is 8.0 GB.
[2021-02-21 20:39:04,505 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.17 ms. Allocated memory is still 154.1 MB. Free memory was 110.9 MB in the beginning and 101.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB.
[2021-02-21 20:39:04,506 INFO L168 Benchmark]: Boogie Preprocessor took 43.17 ms. Allocated memory is still 154.1 MB. Free memory was 101.2 MB in the beginning and 99.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
[2021-02-21 20:39:04,507 INFO L168 Benchmark]: RCFGBuilder took 750.68 ms. Allocated memory is still 154.1 MB. Free memory was 99.6 MB in the beginning and 119.8 MB in the end (delta: -20.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB.
[2021-02-21 20:39:04,509 INFO L168 Benchmark]: TraceAbstraction took 652.64 ms. Allocated memory is still 154.1 MB. Free memory was 119.5 MB in the beginning and 100.9 MB in the end (delta: 18.5 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB.
[2021-02-21 20:39:04,514 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.30 ms. Allocated memory is still 154.1 MB. Free memory was 128.8 MB in the beginning and 128.7 MB in the end (delta: 106.7 kB). There was no memory consumed. Max. memory is 8.0 GB.
* CACSL2BoogieTranslator took 257.17 ms. Allocated memory is still 154.1 MB. Free memory was 110.9 MB in the beginning and 101.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB.
* Boogie Preprocessor took 43.17 ms. Allocated memory is still 154.1 MB. Free memory was 101.2 MB in the beginning and 99.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
* RCFGBuilder took 750.68 ms. Allocated memory is still 154.1 MB. Free memory was 99.6 MB in the beginning and 119.8 MB in the end (delta: -20.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB.
* TraceAbstraction took 652.64 ms. Allocated memory is still 154.1 MB. Free memory was 119.5 MB in the beginning and 100.9 MB in the end (delta: 18.5 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 44]: a call to reach_error is reachable
a call to reach_error is reachable
We found a FailurePath:
[L11] struct dummy d1, d2;
[L34] CALL init()
[L15] d1.a = __VERIFIER_nondet_int()
[L16] d1.b = __VERIFIER_nondet_int()
[L18] d2.a = __VERIFIER_nondet_int()
[L19] d2.b = __VERIFIER_nondet_int()
[L34] RET init()
[L35] CALL, EXPR get_dummy()
[L24] EXPR __VERIFIER_nondet_bool() ? &d1 : &d2
[L24] return (__VERIFIER_nondet_bool() ? &d1 : &d2);
[L35] RET, EXPR get_dummy()
[L35] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy();
[L35] CALL, EXPR get_dummy()
[L24] EXPR __VERIFIER_nondet_bool() ? &d1 : &d2
[L24] return (__VERIFIER_nondet_bool() ? &d1 : &d2);
[L35] RET, EXPR get_dummy()
[L35] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy();
[L36] COND TRUE pd1 != 0 && pd1 == pd2
[L37] CALL, EXPR check(pd1, pd2)
[L29] EXPR s1->a
[L29] EXPR s2->b
[L29] return s1->a == s2->b;
[L37] RET, EXPR check(pd1, pd2)
[L37] COND TRUE !check(pd1, pd2)
[L44] reach_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 7 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 2, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred in iteration=0, 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: No data available, 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!
Received shutdown request...