/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/test18.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.1-dev-b7b32d2
[2021-02-21 20:38:54,936 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-02-21 20:38:54,940 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-02-21 20:38:54,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-02-21 20:38:54,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-02-21 20:38:54,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-02-21 20:38:54,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-02-21 20:38:54,986 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-02-21 20:38:54,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-02-21 20:38:54,991 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-02-21 20:38:54,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-02-21 20:38:54,994 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-02-21 20:38:54,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-02-21 20:38:54,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-02-21 20:38:54,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-02-21 20:38:55,001 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-02-21 20:38:55,002 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-02-21 20:38:55,004 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-02-21 20:38:55,007 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-02-21 20:38:55,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-02-21 20:38:55,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-02-21 20:38:55,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-02-21 20:38:55,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-02-21 20:38:55,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-02-21 20:38:55,021 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2021-02-21 20:38:55,022 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2021-02-21 20:38:55,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2021-02-21 20:38:55,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-02-21 20:38:55,040 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 20:38:55,055 INFO L113 SettingsManager]: Loading preferences was successful
[2021-02-21 20:38:55,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-02-21 20:38:55,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-02-21 20:38:55,058 INFO L138 SettingsManager]: * sizeof long=4
[2021-02-21 20:38:55,058 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-02-21 20:38:55,058 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-02-21 20:38:55,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-02-21 20:38:55,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-02-21 20:38:55,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-02-21 20:38:55,059 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-02-21 20:38:55,059 INFO L138 SettingsManager]: * sizeof long double=12
[2021-02-21 20:38:55,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-02-21 20:38:55,060 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-02-21 20:38:55,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-02-21 20:38:55,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-02-21 20:38:55,060 INFO L138 SettingsManager]: * Size of a code block=SingleStatement
[2021-02-21 20:38:55,061 INFO L138 SettingsManager]: * To the following directory=./dump/
[2021-02-21 20:38:55,061 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-02-21 20:38:55,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-02-21 20:38:55,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-02-21 20:38:55,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2021-02-21 20:38:55,062 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-02-21 20:38:55,062 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-02-21 20:38:55,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-02-21 20:38:55,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-02-21 20:38:55,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-02-21 20:38:55,615 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-02-21 20:38:55,616 INFO L275 PluginConnector]: CDTParser initialized
[2021-02-21 20:38:55,618 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test18.c
[2021-02-21 20:38:55,733 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9fa3fe4b/f10580e494c242e3b9183c7509d58860/FLAGb7d680566
[2021-02-21 20:38:56,456 INFO L306 CDTParser]: Found 1 translation units.
[2021-02-21 20:38:56,457 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test18.c
[2021-02-21 20:38:56,467 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9fa3fe4b/f10580e494c242e3b9183c7509d58860/FLAGb7d680566
[2021-02-21 20:38:56,813 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9fa3fe4b/f10580e494c242e3b9183c7509d58860
[2021-02-21 20:38:56,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-02-21 20:38:56,832 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2021-02-21 20:38:56,835 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-02-21 20:38:56,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-02-21 20:38:56,840 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-02-21 20:38:56,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 08:38:56" (1/1) ...
[2021-02-21 20:38:56,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9d9b96c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:38:56, skipping insertion in model container
[2021-02-21 20:38:56,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 08:38:56" (1/1) ...
[2021-02-21 20:38:56,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-02-21 20:38:56,870 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-02-21 20:38:57,062 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/test18.c[524,537]
[2021-02-21 20:38:57,067 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-02-21 20:38:57,088 INFO L203 MainTranslator]: Completed pre-run
[2021-02-21 20:38:57,113 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/test18.c[524,537]
[2021-02-21 20:38:57,116 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-02-21 20:38:57,149 INFO L208 MainTranslator]: Completed translation
[2021-02-21 20:38:57,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:38:57 WrapperNode
[2021-02-21 20:38:57,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-02-21 20:38:57,153 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-02-21 20:38:57,153 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-02-21 20:38:57,153 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-02-21 20:38:57,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:38:57" (1/1) ...
[2021-02-21 20:38:57,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:38:57" (1/1) ...
[2021-02-21 20:38:57,186 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:38:57" (1/1) ...
[2021-02-21 20:38:57,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:38:57" (1/1) ...
[2021-02-21 20:38:57,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:38:57" (1/1) ...
[2021-02-21 20:38:57,212 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:38:57" (1/1) ...
[2021-02-21 20:38:57,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:38:57" (1/1) ...
[2021-02-21 20:38:57,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-02-21 20:38:57,231 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-02-21 20:38:57,236 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-02-21 20:38:57,238 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-02-21 20:38:57,240 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:38:57" (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 20:38:57,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2021-02-21 20:38:57,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-02-21 20:38:57,420 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2021-02-21 20:38:57,421 INFO L138 BoogieDeclarations]: Found implementation of procedure g
[2021-02-21 20:38:57,422 INFO L138 BoogieDeclarations]: Found implementation of procedure f
[2021-02-21 20:38:57,422 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2021-02-21 20:38:57,423 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2021-02-21 20:38:57,423 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2021-02-21 20:38:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2021-02-21 20:38:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-02-21 20:38:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure g
[2021-02-21 20:38:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2021-02-21 20:38:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2021-02-21 20:38:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure f
[2021-02-21 20:38:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-02-21 20:38:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-02-21 20:38:57,429 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2021-02-21 20:38:57,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-02-21 20:38:57,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2021-02-21 20:38:57,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-02-21 20:38:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-02-21 20:38:58,084 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-02-21 20:38:58,085 INFO L299 CfgBuilder]: Removed 0 assume(true) statements.
[2021-02-21 20:38:58,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 08:38:58 BoogieIcfgContainer
[2021-02-21 20:38:58,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-02-21 20:38:58,094 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-02-21 20:38:58,095 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-02-21 20:38:58,100 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-02-21 20:38:58,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 08:38:56" (1/3) ...
[2021-02-21 20:38:58,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c46067a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 08:38:58, skipping insertion in model container
[2021-02-21 20:38:58,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:38:57" (2/3) ...
[2021-02-21 20:38:58,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c46067a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 08:38:58, skipping insertion in model container
[2021-02-21 20:38:58,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 08:38:58" (3/3) ...
[2021-02-21 20:38:58,107 INFO L111 eAbstractionObserver]: Analyzing ICFG test18.c
[2021-02-21 20:38:58,118 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION
[2021-02-21 20:38:58,125 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2021-02-21 20:38:58,155 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-02-21 20:38:58,203 INFO L376 AbstractCegarLoop]: Interprodecural is true
[2021-02-21 20:38:58,203 INFO L377 AbstractCegarLoop]: Hoare is true
[2021-02-21 20:38:58,203 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation
[2021-02-21 20:38:58,204 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-02-21 20:38:58,204 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-02-21 20:38:58,204 INFO L381 AbstractCegarLoop]: Difference is false
[2021-02-21 20:38:58,204 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-02-21 20:38:58,204 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-02-21 20:38:58,233 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states.
[2021-02-21 20:38:58,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2021-02-21 20:38:58,254 INFO L414 BasicCegarLoop]: Found error trace
[2021-02-21 20:38:58,256 INFO L422 BasicCegarLoop]: trace histogram [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 20:38:58,257 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-02-21 20:38:58,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-02-21 20:38:58,272 INFO L82 PathProgramCache]: Analyzing trace with hash -961651520, now seen corresponding path program 1 times
[2021-02-21 20:38:58,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2021-02-21 20:38:58,287 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [66548736]
[2021-02-21 20:38:58,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-02-21 20:38:58,401 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation
[2021-02-21 20:38:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-21 20:38:58,805 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 20:38:58,808 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 20:38:58,810 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 20:38:58,813 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-02-21 20:38:58,841 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 20:38:58,842 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-21 20:38:58,858 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 20:38:58,859 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 20:38:58,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-02-21 20:38:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-21 20:38:58,923 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 20:38:58,924 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 20:38:58,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2021-02-21 20:38:58,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-21 20:38:59,024 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 20:38:59,025 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 20:38:59,035 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 20:38:59,037 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15
[2021-02-21 20:38:59,065 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 20:38:59,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15
[2021-02-21 20:38:59,082 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 20:38:59,084 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-02-21 20:38:59,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 20:38:59,100 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-02-21 20:38:59,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2021-02-21 20:38:59,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-21 20:38:59,161 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 20:38:59,162 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13
[2021-02-21 20:38:59,186 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 20:38:59,188 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-02-21 20:38:59,219 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 20:38:59,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27
[2021-02-21 20:38:59,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 20:38:59,266 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23
[2021-02-21 20:38:59,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-02-21 20:38:59,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [66548736]
[2021-02-21 20:38:59,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-02-21 20:38:59,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15
[2021-02-21 20:38:59,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923568586]
[2021-02-21 20:38:59,321 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states
[2021-02-21 20:38:59,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2021-02-21 20:38:59,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2021-02-21 20:38:59,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210
[2021-02-21 20:38:59,342 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 15 states.
[2021-02-21 20:39:00,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-02-21 20:39:00,250 INFO L93 Difference]: Finished difference Result 61 states and 60 transitions.
[2021-02-21 20:39:00,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2021-02-21 20:39:00,252 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 40
[2021-02-21 20:39:00,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-02-21 20:39:00,261 INFO L225 Difference]: With dead ends: 61
[2021-02-21 20:39:00,261 INFO L226 Difference]: Without dead ends: 0
[2021-02-21 20:39:00,266 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=78, Invalid=428, Unknown=0, NotChecked=0, Total=506
[2021-02-21 20:39:00,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-02-21 20:39:00,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-02-21 20:39:00,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2021-02-21 20:39:00,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-02-21 20:39:00,301 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40
[2021-02-21 20:39:00,301 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-02-21 20:39:00,301 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-02-21 20:39:00,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states.
[2021-02-21 20:39:00,302 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-02-21 20:39:00,302 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-02-21 20:39:00,302 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-02-21 20:39:00,308 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2021-02-21 20:39:01,051 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed.
[2021-02-21 20:39:01,051 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed.
[2021-02-21 20:39:01,051 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed.
[2021-02-21 20:39:01,052 INFO L192 CegarLoopUtils]: At program point L3-2(line 3) the Hoare annotation is: true
[2021-02-21 20:39:01,052 INFO L192 CegarLoopUtils]: At program point L3-3(line 3) the Hoare annotation is: true
[2021-02-21 20:39:01,052 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))
[2021-02-21 20:39:01,053 INFO L192 CegarLoopUtils]: At program point L3-4(line 3) the Hoare annotation is: true
[2021-02-21 20:39:01,053 INFO L192 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: true
[2021-02-21 20:39:01,053 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line 3) the Hoare annotation is: true
[2021-02-21 20:39:01,053 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |old(#t~string6.offset)| |#t~string6.offset|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |old(#t~string4.offset)| |#t~string4.offset|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|))
[2021-02-21 20:39:01,053 INFO L192 CegarLoopUtils]: At program point L3(line 3) the Hoare annotation is: true
[2021-02-21 20:39:01,054 INFO L192 CegarLoopUtils]: At program point L3-1(line 3) the Hoare annotation is: true
[2021-02-21 20:39:01,054 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true
[2021-02-21 20:39:01,054 INFO L185 CegarLoopUtils]: At program point fFINAL(lines 10 13) the Hoare annotation is: (= (select (select |#memory_int| |f_#in~pb.base|) |f_#in~pb.offset|) 0)
[2021-02-21 20:39:01,054 INFO L185 CegarLoopUtils]: At program point L12(line 12) the Hoare annotation is: (and (= |f_#in~pb.base| (select (select |#memory_$Pointer$.base| |f_~#pa.base|) |f_~#pa.offset|)) (= |f_#in~pb.base| |f_#t~mem8.base|) (= |f_#t~mem8.offset| |f_#in~pb.offset|) (= (select (select |#memory_$Pointer$.offset| |f_~#pa.base|) |f_~#pa.offset|) |f_#in~pb.offset|))
[2021-02-21 20:39:01,054 INFO L185 CegarLoopUtils]: At program point L11(line 11) the Hoare annotation is: (and (= |f_#in~pb.base| (select (select |#memory_$Pointer$.base| |f_~#pa.base|) |f_~#pa.offset|)) (= (select (select |#memory_$Pointer$.offset| |f_~#pa.base|) |f_~#pa.offset|) |f_#in~pb.offset|))
[2021-02-21 20:39:01,055 INFO L185 CegarLoopUtils]: At program point L12-1(line 12) the Hoare annotation is: (and (= |f_#in~pb.base| |f_#t~mem8.base|) (= |f_#t~mem8.offset| |f_#in~pb.offset|) (= (select (select |#memory_int| |f_#in~pb.base|) |f_#in~pb.offset|) 0))
[2021-02-21 20:39:01,055 INFO L185 CegarLoopUtils]: At program point L10(lines 10 13) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))
[2021-02-21 20:39:01,055 INFO L192 CegarLoopUtils]: At program point L10-1(lines 10 13) the Hoare annotation is: true
[2021-02-21 20:39:01,055 INFO L192 CegarLoopUtils]: At program point L10-2(lines 10 13) the Hoare annotation is: true
[2021-02-21 20:39:01,056 INFO L185 CegarLoopUtils]: At program point fEXIT(lines 10 13) the Hoare annotation is: (= (select (select |#memory_int| |f_#in~pb.base|) |f_#in~pb.offset|) 0)
[2021-02-21 20:39:01,056 INFO L185 CegarLoopUtils]: At program point L10-3(lines 10 13) the Hoare annotation is: (and (= (select (select |#memory_$Pointer$.offset| |f_~#pb.base|) |f_~#pb.offset|) |f_#in~pb.offset|) (= (select (select |#memory_$Pointer$.base| |f_~#pb.base|) |f_~#pb.offset|) |f_#in~pb.base|))
[2021-02-21 20:39:01,056 INFO L185 CegarLoopUtils]: At program point L10-4(lines 10 13) the Hoare annotation is: (= (select (select |#memory_int| |f_#in~pb.base|) |f_#in~pb.offset|) 0)
[2021-02-21 20:39:01,056 INFO L185 CegarLoopUtils]: At program point fENTRY(lines 10 13) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|))
[2021-02-21 20:39:01,056 INFO L185 CegarLoopUtils]: At program point L10-5(lines 10 13) the Hoare annotation is: (= (select (select |#memory_int| |f_#in~pb.base|) |f_#in~pb.offset|) 0)
[2021-02-21 20:39:01,057 INFO L185 CegarLoopUtils]: At program point L10-6(lines 10 13) the Hoare annotation is: (= (select (select |#memory_int| |f_#in~pb.base|) |f_#in~pb.offset|) 0)
[2021-02-21 20:39:01,057 INFO L185 CegarLoopUtils]: At program point L10-7(lines 10 13) the Hoare annotation is: (= (select (select |#memory_int| |f_#in~pb.base|) |f_#in~pb.offset|) 0)
[2021-02-21 20:39:01,057 INFO L185 CegarLoopUtils]: At program point gEXIT(lines 6 8) the Hoare annotation is: (and (= (select (select |#memory_$Pointer$.offset| |g_#in~ppa.base|) |g_#in~ppa.offset|) (select (select |old(#memory_$Pointer$.offset)| |g_#in~ppb.base|) |g_#in~ppb.offset|)) (= (select (select |old(#memory_$Pointer$.base)| |g_#in~ppb.base|) |g_#in~ppb.offset|) (select (select |#memory_$Pointer$.base| |g_#in~ppa.base|) |g_#in~ppa.offset|)))
[2021-02-21 20:39:01,057 INFO L185 CegarLoopUtils]: At program point L7(line 7) the Hoare annotation is: (and (= g_~ppb.offset |g_#in~ppb.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |g_#in~ppa.offset| g_~ppa.offset) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~ppb.base| g_~ppb.base) (= |g_#in~ppa.base| g_~ppa.base))
[2021-02-21 20:39:01,058 INFO L185 CegarLoopUtils]: At program point L6(lines 6 8) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |g_#in~ppa.offset| g_~ppa.offset) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~ppa.base| g_~ppa.base))
[2021-02-21 20:39:01,058 INFO L185 CegarLoopUtils]: At program point L7-1(line 7) the Hoare annotation is: (and (= g_~ppb.offset |g_#in~ppb.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |g_#in~ppa.offset| g_~ppa.offset) (= |#memory_int| |old(#memory_int)|) (= (select (select |#memory_$Pointer$.base| |g_#in~ppb.base|) |g_#in~ppb.offset|) |g_#t~mem7.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~ppb.base| g_~ppb.base) (= (select (select |#memory_$Pointer$.offset| |g_#in~ppb.base|) |g_#in~ppb.offset|) |g_#t~mem7.offset|) (= |g_#in~ppa.base| g_~ppa.base))
[2021-02-21 20:39:01,058 INFO L185 CegarLoopUtils]: At program point L7-2(line 7) the Hoare annotation is: (and (= (select (select |#memory_$Pointer$.offset| |g_#in~ppa.base|) |g_#in~ppa.offset|) (select (select |old(#memory_$Pointer$.offset)| |g_#in~ppb.base|) |g_#in~ppb.offset|)) (= (select (select |old(#memory_$Pointer$.base)| |g_#in~ppb.base|) |g_#in~ppb.offset|) (select (select |#memory_$Pointer$.base| |g_#in~ppa.base|) |g_#in~ppa.offset|)))
[2021-02-21 20:39:01,058 INFO L185 CegarLoopUtils]: At program point gFINAL(lines 6 8) the Hoare annotation is: (and (= (select (select |#memory_$Pointer$.offset| |g_#in~ppa.base|) |g_#in~ppa.offset|) (select (select |old(#memory_$Pointer$.offset)| |g_#in~ppb.base|) |g_#in~ppb.offset|)) (= (select (select |old(#memory_$Pointer$.base)| |g_#in~ppb.base|) |g_#in~ppb.offset|) (select (select |#memory_$Pointer$.base| |g_#in~ppa.base|) |g_#in~ppa.offset|)))
[2021-02-21 20:39:01,059 INFO L185 CegarLoopUtils]: At program point gENTRY(lines 6 8) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))
[2021-02-21 20:39:01,059 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true
[2021-02-21 20:39:01,059 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true
[2021-02-21 20:39:01,059 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2021-02-21 20:39:01,059 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true
[2021-02-21 20:39:01,059 INFO L185 CegarLoopUtils]: At program point L25(line 25) the Hoare annotation is: false
[2021-02-21 20:39:01,060 INFO L192 CegarLoopUtils]: At program point mainEXIT(lines 15 26) the Hoare annotation is: true
[2021-02-21 20:39:01,060 INFO L185 CegarLoopUtils]: At program point L19(lines 15 26) the Hoare annotation is: false
[2021-02-21 20:39:01,060 INFO L185 CegarLoopUtils]: At program point L17(line 17) the Hoare annotation is: (= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) 0)
[2021-02-21 20:39:01,060 INFO L192 CegarLoopUtils]: At program point mainFINAL(lines 15 26) the Hoare annotation is: true
[2021-02-21 20:39:01,060 INFO L185 CegarLoopUtils]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 24) the Hoare annotation is: false
[2021-02-21 20:39:01,061 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 15 26) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|))
[2021-02-21 20:39:01,061 INFO L185 CegarLoopUtils]: At program point L24(line 24) the Hoare annotation is: false
[2021-02-21 20:39:01,061 INFO L185 CegarLoopUtils]: At program point L22(line 22) the Hoare annotation is: (= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) 0)
[2021-02-21 20:39:01,061 INFO L185 CegarLoopUtils]: At program point L18(lines 18 20) the Hoare annotation is: (and (= |main_#t~mem9| 0) (= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) 0))
[2021-02-21 20:39:01,061 INFO L185 CegarLoopUtils]: At program point L18-1(line 18) the Hoare annotation is: false
[2021-02-21 20:39:01,062 INFO L185 CegarLoopUtils]: At program point L16(line 16) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))
[2021-02-21 20:39:01,062 INFO L185 CegarLoopUtils]: At program point L18-2(line 18) the Hoare annotation is: (and (= |main_#t~mem9| 0) (= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) 0))
[2021-02-21 20:39:01,062 INFO L185 CegarLoopUtils]: At program point L16-1(line 16) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))
[2021-02-21 20:39:01,062 INFO L185 CegarLoopUtils]: At program point L16-2(line 16) the Hoare annotation is: (= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) 0)
[2021-02-21 20:39:01,062 INFO L185 CegarLoopUtils]: At program point L16-3(line 16) the Hoare annotation is: (= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) 0)
[2021-02-21 20:39:01,063 INFO L185 CegarLoopUtils]: At program point L16-4(line 16) the Hoare annotation is: (= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) 0)
[2021-02-21 20:39:01,063 INFO L185 CegarLoopUtils]: At program point L16-5(line 16) the Hoare annotation is: (= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) 0)
[2021-02-21 20:39:01,063 INFO L185 CegarLoopUtils]: At program point L16-6(line 16) the Hoare annotation is: false
[2021-02-21 20:39:01,063 INFO L185 CegarLoopUtils]: At program point L16-7(line 16) the Hoare annotation is: false
[2021-02-21 20:39:01,063 INFO L185 CegarLoopUtils]: At program point L16-8(line 16) the Hoare annotation is: false
[2021-02-21 20:39:01,063 INFO L185 CegarLoopUtils]: At program point L16-9(line 16) the Hoare annotation is: false
[2021-02-21 20:39:01,083 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2021-02-21 20:39:01,084 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2021-02-21 20:39:01,085 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2021-02-21 20:39:01,085 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2021-02-21 20:39:01,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.02 08:39:01 BoogieIcfgContainer
[2021-02-21 20:39:01,088 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-02-21 20:39:01,091 INFO L168 Benchmark]: Toolchain (without parser) took 4269.76 ms. Allocated memory was 157.3 MB in the beginning and 188.7 MB in the end (delta: 31.5 MB). Free memory was 133.4 MB in the beginning and 111.4 MB in the end (delta: 22.0 MB). Peak memory consumption was 97.5 MB. Max. memory is 8.0 GB.
[2021-02-21 20:39:01,091 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 157.3 MB. Free memory is still 143.4 MB. There was no memory consumed. Max. memory is 8.0 GB.
[2021-02-21 20:39:01,093 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.44 ms. Allocated memory is still 157.3 MB. Free memory was 132.3 MB in the beginning and 122.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB.
[2021-02-21 20:39:01,094 INFO L168 Benchmark]: Boogie Preprocessor took 76.18 ms. Allocated memory is still 157.3 MB. Free memory was 122.9 MB in the beginning and 121.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
[2021-02-21 20:39:01,095 INFO L168 Benchmark]: RCFGBuilder took 858.28 ms. Allocated memory is still 157.3 MB. Free memory was 121.4 MB in the beginning and 130.1 MB in the end (delta: -8.8 MB). Peak memory consumption was 13.2 MB. Max. memory is 8.0 GB.
[2021-02-21 20:39:01,096 INFO L168 Benchmark]: TraceAbstraction took 2994.27 ms. Allocated memory was 157.3 MB in the beginning and 188.7 MB in the end (delta: 31.5 MB). Free memory was 129.8 MB in the beginning and 111.4 MB in the end (delta: 18.4 MB). Peak memory consumption was 93.7 MB. Max. memory is 8.0 GB.
[2021-02-21 20:39:01,100 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.33 ms. Allocated memory is still 157.3 MB. Free memory is still 143.4 MB. There was no memory consumed. Max. memory is 8.0 GB.
* CACSL2BoogieTranslator took 316.44 ms. Allocated memory is still 157.3 MB. Free memory was 132.3 MB in the beginning and 122.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB.
* Boogie Preprocessor took 76.18 ms. Allocated memory is still 157.3 MB. Free memory was 122.9 MB in the beginning and 121.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
* RCFGBuilder took 858.28 ms. Allocated memory is still 157.3 MB. Free memory was 121.4 MB in the beginning and 130.1 MB in the end (delta: -8.8 MB). Peak memory consumption was 13.2 MB. Max. memory is 8.0 GB.
* TraceAbstraction took 2994.27 ms. Allocated memory was 157.3 MB in the beginning and 188.7 MB in the end (delta: 31.5 MB). Free memory was 129.8 MB in the beginning and 111.4 MB in the end (delta: 18.4 MB). Peak memory consumption was 93.7 MB. Max. memory is 8.0 GB.
* Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor:
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 24]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 15]: Loop Invariant
Derived loop invariant: 0
- ProcedureContractResult [Line: 10]: Procedure Contract for f
Derived contract for procedure f: unknown-#memory_int-unknown[pb][pb] == 0
- ProcedureContractResult [Line: 6]: Procedure Contract for g
[2021-02-21 20:39:01,110 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2021-02-21 20:39:01,110 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2021-02-21 20:39:01,110 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2021-02-21 20:39:01,111 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2021-02-21 20:39:01,111 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2021-02-21 20:39:01,112 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset
[2021-02-21 20:39:01,112 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
[2021-02-21 20:39:01,112 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base
Derived contract for procedure g: #memory_$Pointer$[ppa][ppa] == \old(#memory_$Pointer$)[ppb][ppb] && \old(#memory_$Pointer$)[ppb][ppb] == #memory_$Pointer$[ppa][ppa]
- ProcedureContractResult [Line: 15]: Procedure Contract for main
Derived contract for procedure main: 1
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 6 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 32 SDtfs, 29 SDslu, 158 SDs, 0 SdLazy, 312 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 61 NumberOfFragments, 449 HoareAnnotationTreeSize, 57 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 57 FomulaSimplificationsInter, 348 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, 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 correct!
Received shutdown request...