/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test30-2.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.0-b8ad66e
[2020-10-23 18:26:59,918 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-10-23 18:26:59,923 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-10-23 18:26:59,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-10-23 18:26:59,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-10-23 18:26:59,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-10-23 18:26:59,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-10-23 18:26:59,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-10-23 18:27:00,000 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-10-23 18:27:00,001 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-10-23 18:27:00,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-10-23 18:27:00,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-10-23 18:27:00,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-10-23 18:27:00,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-10-23 18:27:00,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-10-23 18:27:00,009 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-10-23 18:27:00,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-10-23 18:27:00,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-10-23 18:27:00,014 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-10-23 18:27:00,017 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-10-23 18:27:00,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-10-23 18:27:00,020 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-10-23 18:27:00,022 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-10-23 18:27:00,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-10-23 18:27:00,043 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-10-23 18:27:00,043 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-10-23 18:27:00,044 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-10-23 18:27:00,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
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[2020-10-23 18:27:00,049 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-10-23 18:27:00,050 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
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[2020-10-23 18:27:00,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
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[2020-10-23 18:27:00,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2020-10-23 18:27:00,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-10-23 18:27:00,060 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-10-23 18:27:00,122 INFO L113 SettingsManager]: Loading preferences was successful
[2020-10-23 18:27:00,122 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-10-23 18:27:00,127 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-10-23 18:27:00,127 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-10-23 18:27:00,127 INFO L138 SettingsManager]: * Use SBE=true
[2020-10-23 18:27:00,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-10-23 18:27:00,128 INFO L138 SettingsManager]: * sizeof long=4
[2020-10-23 18:27:00,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-10-23 18:27:00,128 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-10-23 18:27:00,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-10-23 18:27:00,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-10-23 18:27:00,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-10-23 18:27:00,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-10-23 18:27:00,131 INFO L138 SettingsManager]: * sizeof long double=12
[2020-10-23 18:27:00,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-10-23 18:27:00,131 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-10-23 18:27:00,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-10-23 18:27:00,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-10-23 18:27:00,132 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-10-23 18:27:00,132 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-10-23 18:27:00,133 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-10-23 18:27:00,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-10-23 18:27:00,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-10-23 18:27:00,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-10-23 18:27:00,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-10-23 18:27:00,134 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-10-23 18:27:00,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-10-23 18:27:00,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-10-23 18:27:00,134 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-10-23 18:27:00,135 INFO L138 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/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2020-10-23 18:27:00,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-10-23 18:27:00,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-10-23 18:27:00,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-10-23 18:27:00,604 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-10-23 18:27:00,604 INFO L275 PluginConnector]: CDTParser initialized
[2020-10-23 18:27:00,605 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test30-2.c
[2020-10-23 18:27:00,692 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e2b92417/2125f3aaff1947c8a758f1647fe24194/FLAG725991eb6
[2020-10-23 18:27:01,352 INFO L306 CDTParser]: Found 1 translation units.
[2020-10-23 18:27:01,353 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test30-2.c
[2020-10-23 18:27:01,361 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e2b92417/2125f3aaff1947c8a758f1647fe24194/FLAG725991eb6
[2020-10-23 18:27:01,694 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e2b92417/2125f3aaff1947c8a758f1647fe24194
[2020-10-23 18:27:01,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-10-23 18:27:01,709 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-10-23 18:27:01,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-10-23 18:27:01,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-10-23 18:27:01,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-10-23 18:27:01,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:27:01" (1/1) ...
[2020-10-23 18:27:01,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35be7d8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:27:01, skipping insertion in model container
[2020-10-23 18:27:01,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:27:01" (1/1) ...
[2020-10-23 18:27:01,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-10-23 18:27:01,747 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-10-23 18:27:01,914 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-10-23 18:27:01,926 INFO L203 MainTranslator]: Completed pre-run
[2020-10-23 18:27:01,942 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-10-23 18:27:01,960 INFO L208 MainTranslator]: Completed translation
[2020-10-23 18:27:01,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:27:01 WrapperNode
[2020-10-23 18:27:01,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-10-23 18:27:01,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-10-23 18:27:01,962 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-10-23 18:27:01,962 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-10-23 18:27:01,975 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:27:01" (1/1) ...
[2020-10-23 18:27:01,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:27:01" (1/1) ...
[2020-10-23 18:27:01,983 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:27:01" (1/1) ...
[2020-10-23 18:27:01,984 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:27:01" (1/1) ...
[2020-10-23 18:27:01,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:27:01" (1/1) ...
[2020-10-23 18:27:01,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:27:01" (1/1) ...
[2020-10-23 18:27:01,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:27:01" (1/1) ...
[2020-10-23 18:27:01,998 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-10-23 18:27:01,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-10-23 18:27:01,999 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-10-23 18:27:01,999 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-10-23 18:27:02,000 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:27:01" (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
[2020-10-23 18:27:02,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-10-23 18:27:02,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-10-23 18:27:02,071 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2020-10-23 18:27:02,072 INFO L138 BoogieDeclarations]: Found implementation of procedure assign
[2020-10-23 18:27:02,072 INFO L138 BoogieDeclarations]: Found implementation of procedure assign2
[2020-10-23 18:27:02,072 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-10-23 18:27:02,072 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-10-23 18:27:02,072 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-10-23 18:27:02,072 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2020-10-23 18:27:02,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-10-23 18:27:02,074 INFO L130 BoogieDeclarations]: Found specification of procedure assign
[2020-10-23 18:27:02,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-10-23 18:27:02,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-10-23 18:27:02,075 INFO L130 BoogieDeclarations]: Found specification of procedure assign2
[2020-10-23 18:27:02,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-10-23 18:27:02,077 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-10-23 18:27:02,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-10-23 18:27:02,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-10-23 18:27:02,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2020-10-23 18:27:02,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-10-23 18:27:02,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-10-23 18:27:02,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-10-23 18:27:02,564 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-10-23 18:27:02,564 INFO L298 CfgBuilder]: Removed 0 assume(true) statements.
[2020-10-23 18:27:02,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:27:02 BoogieIcfgContainer
[2020-10-23 18:27:02,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-10-23 18:27:02,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-10-23 18:27:02,569 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-10-23 18:27:02,573 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-10-23 18:27:02,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:27:01" (1/3) ...
[2020-10-23 18:27:02,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@684e1ec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:27:02, skipping insertion in model container
[2020-10-23 18:27:02,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:27:01" (2/3) ...
[2020-10-23 18:27:02,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@684e1ec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:27:02, skipping insertion in model container
[2020-10-23 18:27:02,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:27:02" (3/3) ...
[2020-10-23 18:27:02,577 INFO L111 eAbstractionObserver]: Analyzing ICFG test30-2.c
[2020-10-23 18:27:02,591 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-10-23 18:27:02,597 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-10-23 18:27:02,612 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-10-23 18:27:02,641 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2020-10-23 18:27:02,641 INFO L378 AbstractCegarLoop]: Hoare is true
[2020-10-23 18:27:02,641 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-10-23 18:27:02,641 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-10-23 18:27:02,642 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-10-23 18:27:02,642 INFO L382 AbstractCegarLoop]: Difference is false
[2020-10-23 18:27:02,642 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-10-23 18:27:02,642 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-10-23 18:27:02,661 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states.
[2020-10-23 18:27:02,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2020-10-23 18:27:02,669 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-23 18:27:02,669 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-23 18:27:02,670 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-23 18:27:02,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-23 18:27:02,677 INFO L82 PathProgramCache]: Analyzing trace with hash -715111646, now seen corresponding path program 1 times
[2020-10-23 18:27:02,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-23 18:27:02,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96995437]
[2020-10-23 18:27:02,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-23 18:27:02,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-10-23 18:27:02,896 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-10-23 18:27:03,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-10-23 18:27:03,011 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-10-23 18:27:03,046 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2020-10-23 18:27:03,047 INFO L523 BasicCegarLoop]: Counterexample might be feasible
[2020-10-23 18:27:03,048 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-10-23 18:27:03,093 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 59 could not be translated for associated CType STRUCT~~dummy?a~*INT?b~*INT#
[2020-10-23 18:27:03,094 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 63 could not be translated for associated CType STRUCT~~dummy?a~*INT?b~*INT#
[2020-10-23 18:27:03,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 06:27:03 BoogieIcfgContainer
[2020-10-23 18:27:03,125 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-10-23 18:27:03,131 INFO L168 Benchmark]: Toolchain (without parser) took 1423.84 ms. Allocated memory is still 151.0 MB. Free memory was 126.5 MB in the beginning and 115.4 MB in the end (delta: 11.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 8.0 GB.
[2020-10-23 18:27:03,134 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 151.0 MB. Free memory was 124.8 MB in the beginning and 124.7 MB in the end (delta: 77.6 kB). There was no memory consumed. Max. memory is 8.0 GB.
[2020-10-23 18:27:03,135 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.72 ms. Allocated memory is still 151.0 MB. Free memory was 126.0 MB in the beginning and 116.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB.
[2020-10-23 18:27:03,138 INFO L168 Benchmark]: Boogie Preprocessor took 36.63 ms. Allocated memory is still 151.0 MB. Free memory was 116.5 MB in the beginning and 114.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
[2020-10-23 18:27:03,140 INFO L168 Benchmark]: RCFGBuilder took 567.69 ms. Allocated memory is still 151.0 MB. Free memory was 114.9 MB in the beginning and 133.2 MB in the end (delta: -18.3 MB). Peak memory consumption was 18.4 MB. Max. memory is 8.0 GB.
[2020-10-23 18:27:03,141 INFO L168 Benchmark]: TraceAbstraction took 556.85 ms. Allocated memory is still 151.0 MB. Free memory was 132.7 MB in the beginning and 115.4 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB.
[2020-10-23 18:27:03,153 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.15 ms. Allocated memory is still 151.0 MB. Free memory was 124.8 MB in the beginning and 124.7 MB in the end (delta: 77.6 kB). There was no memory consumed. Max. memory is 8.0 GB.
* CACSL2BoogieTranslator took 247.72 ms. Allocated memory is still 151.0 MB. Free memory was 126.0 MB in the beginning and 116.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB.
* Boogie Preprocessor took 36.63 ms. Allocated memory is still 151.0 MB. Free memory was 116.5 MB in the beginning and 114.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
* RCFGBuilder took 567.69 ms. Allocated memory is still 151.0 MB. Free memory was 114.9 MB in the beginning and 133.2 MB in the end (delta: -18.3 MB). Peak memory consumption was 18.4 MB. Max. memory is 8.0 GB.
* TraceAbstraction took 556.85 ms. Allocated memory is still 151.0 MB. Free memory was 132.7 MB in the beginning and 115.4 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IntegerLiteral 59 could not be translated for associated CType STRUCT~~dummy?a~*INT?b~*INT#
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IntegerLiteral 63 could not be translated for associated CType STRUCT~~dummy?a~*INT?b~*INT#
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L5] int a = 1, b;
[L7-L9] struct dummy {
int *a, *b;
} global = {&a, &b};
VAL [\old(a)=58, \old(a)=61, \old(b)=51, \old(b)=64, \old(global)=null, \old(global)=null, a={7:0}, b={6:0}, global={5:0}]
[L23] struct dummy *pd = &global;
VAL [a={7:0}, b={6:0}, global={5:0}, pd={5:0}]
[L25] CALL assign2(&pd->a, &pd->b)
VAL [a={7:0}, b={6:0}, global={5:0}, pa={5:0}, pb={5:4}]
[L18] EXPR \read(**pb)
[L18] EXPR \read(**pb)
VAL [\read(**pb)={6:0}, \read(**pb)={6:0}, a={7:0}, b={6:0}, global={5:0}, pa={5:0}, pa={5:0}, pb={5:4}, pb={5:4}]
[L18] CALL assign(*pb, *pb)
VAL [a={7:0}, b={6:0}, global={5:0}, pa={6:0}, pb={6:0}]
[L13] EXPR \read(*pb)
[L13] *pa = *pb
[L18] RET assign(*pb, *pb)
VAL [\read(**pb)={6:0}, \read(**pb)={6:0}, a={7:0}, b={6:0}, global={5:0}, pa={5:0}, pa={5:0}, pb={5:4}, pb={5:4}]
[L25] RET assign2(&pd->a, &pd->b)
VAL [a={7:0}, b={6:0}, global={5:0}, pd={5:0}]
[L27] EXPR \read(a)
[L27] EXPR \read(b)
VAL [\read(a)=1, \read(b)=0, a={7:0}, b={6:0}, global={5:0}, pd={5:0}]
[L27] COND TRUE a != b
[L33] CALL reach_error()
VAL [a={7:0}, b={6:0}, global={5:0}]
[L3] __assert_fail("0", "test30-2.c", 3, "reach_error")
VAL [a={7:0}, b={6:0}, global={5:0}]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 6 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, 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=27occurred 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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!
Received shutdown request...