/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_4.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-25 01:11:31,273 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 01:11:31,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 01:11:31,323 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 01:11:31,324 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 01:11:31,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 01:11:31,338 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 01:11:31,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 01:11:31,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 01:11:31,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 01:11:31,348 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 01:11:31,350 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 01:11:31,350 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 01:11:31,355 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 01:11:31,361 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 01:11:31,363 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 01:11:31,365 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 01:11:31,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 01:11:31,368 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 01:11:31,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 01:11:31,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 01:11:31,381 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 01:11:31,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 01:11:31,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 01:11:31,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 01:11:31,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 01:11:31,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 01:11:31,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 01:11:31,391 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 01:11:31,394 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 01:11:31,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 01:11:31,395 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 01:11:31,396 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 01:11:31,397 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 01:11:31,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 01:11:31,399 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 01:11:31,400 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 01:11:31,400 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 01:11:31,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 01:11:31,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 01:11:31,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 01:11:31,404 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-09-25 01:11:31,451 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 01:11:31,451 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 01:11:31,453 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 01:11:31,453 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 01:11:31,454 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 01:11:31,454 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 01:11:31,454 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 01:11:31,455 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 01:11:31,455 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 01:11:31,455 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 01:11:31,456 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 01:11:31,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 01:11:31,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 01:11:31,457 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 01:11:31,457 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 01:11:31,458 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 01:11:31,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 01:11:31,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 01:11:31,458 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 01:11:31,459 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 01:11:31,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 01:11:31,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 01:11:31,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 01:11:31,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 01:11:31,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 01:11:31,460 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 01:11:31,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 01:11:31,460 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 01:11:31,461 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 01:11:31,461 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;
[2020-09-25 01:11:31,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 01:11:31,990 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 01:11:31,994 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 01:11:31,998 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 01:11:31,998 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 01:11:31,999 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_4.c
[2020-09-25 01:11:32,102 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3f3bff89d/fc3fce780d7e4de8a541838db71acf6e/FLAG24e64600a
[2020-09-25 01:11:32,745 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 01:11:32,746 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-industry-pattern/ofuf_4.c
[2020-09-25 01:11:32,757 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3f3bff89d/fc3fce780d7e4de8a541838db71acf6e/FLAG24e64600a
[2020-09-25 01:11:33,034 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3f3bff89d/fc3fce780d7e4de8a541838db71acf6e
[2020-09-25 01:11:33,048 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 01:11:33,053 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 01:11:33,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 01:11:33,054 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 01:11:33,058 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 01:11:33,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:11:33" (1/1) ...
[2020-09-25 01:11:33,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@700715c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:11:33, skipping insertion in model container
[2020-09-25 01:11:33,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:11:33" (1/1) ...
[2020-09-25 01:11:33,071 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 01:11:33,112 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 01:11:33,566 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 01:11:33,580 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 01:11:33,668 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 01:11:33,694 INFO L208 MainTranslator]: Completed translation
[2020-09-25 01:11:33,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:11:33 WrapperNode
[2020-09-25 01:11:33,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 01:11:33,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 01:11:33,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 01:11:33,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 01:11:33,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:11:33" (1/1) ...
[2020-09-25 01:11:33,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:11:33" (1/1) ...
[2020-09-25 01:11:33,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:11:33" (1/1) ...
[2020-09-25 01:11:33,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:11:33" (1/1) ...
[2020-09-25 01:11:33,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:11:33" (1/1) ...
[2020-09-25 01:11:33,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:11:33" (1/1) ...
[2020-09-25 01:11:33,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:11:33" (1/1) ...
[2020-09-25 01:11:33,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 01:11:33,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 01:11:33,795 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 01:11:33,795 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 01:11:33,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:11:33" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/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
[2020-09-25 01:11:33,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 01:11:33,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 01:11:33,895 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2020-09-25 01:11:33,896 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero
[2020-09-25 01:11:33,896 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89
[2020-09-25 01:11:33,896 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92
[2020-09-25 01:11:33,896 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95
[2020-09-25 01:11:33,896 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96
[2020-09-25 01:11:33,898 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97
[2020-09-25 01:11:33,899 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99
[2020-09-25 01:11:33,899 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100
[2020-09-25 01:11:33,899 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 01:11:33,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2020-09-25 01:11:33,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 01:11:33,900 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-09-25 01:11:33,901 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2020-09-25 01:11:33,901 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero
[2020-09-25 01:11:33,901 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp
[2020-09-25 01:11:33,901 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89
[2020-09-25 01:11:33,902 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92
[2020-09-25 01:11:33,902 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95
[2020-09-25 01:11:33,902 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96
[2020-09-25 01:11:33,903 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97
[2020-09-25 01:11:33,903 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 01:11:33,903 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99
[2020-09-25 01:11:33,904 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100
[2020-09-25 01:11:33,904 INFO L130 BoogieDeclarations]: Found specification of procedure fopen
[2020-09-25 01:11:33,904 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 01:11:33,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2020-09-25 01:11:33,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 01:11:33,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 01:11:33,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 01:11:33,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 01:11:33,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 01:11:33,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 01:11:33,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 01:11:33,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 01:11:33,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 01:11:33,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2020-09-25 01:11:33,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 01:11:37,219 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 01:11:37,220 INFO L295 CfgBuilder]: Removed 7 assume(true) statements.
[2020-09-25 01:11:37,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:11:37 BoogieIcfgContainer
[2020-09-25 01:11:37,229 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 01:11:37,231 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 01:11:37,231 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 01:11:37,234 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 01:11:37,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:11:33" (1/3) ...
[2020-09-25 01:11:37,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@366cabe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:11:37, skipping insertion in model container
[2020-09-25 01:11:37,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:11:33" (2/3) ...
[2020-09-25 01:11:37,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@366cabe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:11:37, skipping insertion in model container
[2020-09-25 01:11:37,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:11:37" (3/3) ...
[2020-09-25 01:11:37,239 INFO L109 eAbstractionObserver]: Analyzing ICFG ofuf_4.c
[2020-09-25 01:11:37,249 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 01:11:37,260 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 01:11:37,283 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 01:11:37,316 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 01:11:37,316 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 01:11:37,316 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 01:11:37,316 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 01:11:37,316 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 01:11:37,317 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 01:11:37,317 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 01:11:37,317 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 01:11:37,350 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states.
[2020-09-25 01:11:37,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180
[2020-09-25 01:11:37,375 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 01:11:37,376 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, 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, 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, 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]
[2020-09-25 01:11:37,377 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 01:11:37,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 01:11:37,384 INFO L82 PathProgramCache]: Analyzing trace with hash -1624982731, now seen corresponding path program 1 times
[2020-09-25 01:11:37,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 01:11:37,396 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [749177878]
[2020-09-25 01:11:37,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 01:11:37,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 01:11:37,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 01:11:38,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 01:11:38,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 01:11:38,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 01:11:39,628 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [749177878]
[2020-09-25 01:11:39,629 WARN L333 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic
[2020-09-25 01:11:39,629 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences.
[2020-09-25 01:11:39,630 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0
[2020-09-25 01:11:39,630 ERROR L206 FreeRefinementEngine]: Strategy FIXED_PREFERENCES failed to provide any proof altough trace is infeasible
[2020-09-25 01:11:39,631 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-09-25 01:11:39,637 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 01:11:39,671 WARN L231 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually.
[2020-09-25 01:11:39,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 01:11:39 BoogieIcfgContainer
[2020-09-25 01:11:39,672 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 01:11:39,676 INFO L168 Benchmark]: Toolchain (without parser) took 6624.85 ms. Allocated memory was 138.9 MB in the beginning and 247.5 MB in the end (delta: 108.5 MB). Free memory was 100.6 MB in the beginning and 108.6 MB in the end (delta: -8.1 MB). Peak memory consumption was 122.1 MB. Max. memory is 7.1 GB.
[2020-09-25 01:11:39,677 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 138.9 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-09-25 01:11:39,678 INFO L168 Benchmark]: CACSL2BoogieTranslator took 640.95 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 99.9 MB in the beginning and 172.2 MB in the end (delta: -72.4 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB.
[2020-09-25 01:11:39,679 INFO L168 Benchmark]: Boogie Preprocessor took 99.14 ms. Allocated memory is still 201.9 MB. Free memory was 172.2 MB in the beginning and 167.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB.
[2020-09-25 01:11:39,680 INFO L168 Benchmark]: RCFGBuilder took 3434.51 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 167.9 MB in the beginning and 191.6 MB in the end (delta: -23.7 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB.
[2020-09-25 01:11:39,681 INFO L168 Benchmark]: TraceAbstraction took 2441.66 ms. Allocated memory was 233.8 MB in the beginning and 247.5 MB in the end (delta: 13.6 MB). Free memory was 191.6 MB in the beginning and 108.6 MB in the end (delta: 83.0 MB). Peak memory consumption was 118.2 MB. Max. memory is 7.1 GB.
[2020-09-25 01:11:39,686 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.31 ms. Allocated memory is still 138.9 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 640.95 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 99.9 MB in the beginning and 172.2 MB in the end (delta: -72.4 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 99.14 ms. Allocated memory is still 201.9 MB. Free memory was 172.2 MB in the beginning and 167.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 3434.51 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 167.9 MB in the beginning and 191.6 MB in the end (delta: -23.7 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 2441.66 ms. Allocated memory was 233.8 MB in the beginning and 247.5 MB in the end (delta: 13.6 MB). Free memory was 191.6 MB in the beginning and 108.6 MB in the end (delta: 83.0 MB). Peak memory consumption was 118.2 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- UnprovableResult [Line: 461]: Unable to prove that call of __VERIFIER_error() unreachable
Unable to prove that call of __VERIFIER_error() unreachable
Reason: unable to decide satisfiability of path constraint.
Possible FailurePath:
[L179] unsigned int Id_MCDC_104;
[L180] UINT16 Id_MCDC_105;
[L181] UINT16 Id_MCDC_106;
[L182] Od_IndexTable* Id_MCDC_107;
[L183] Od_IndexTable* Id_MCDC_108;
[L184] Od_IndexTable* Id_MCDC_109;
[L185] Od_IndexTable* Id_MCDC_110;
[L186] Od_IndexTable* Id_MCDC_111;
[L187] UINT32 Id_MCDC_112 [4];
[L188] CanOpenNode Id_MCDC_113;
[L189] UINT32 Id_MCDC_114=0;
[L427] void * Id_MCDC_143;
[L428] void * Id_MCDC_144;
[L429] void * Id_MCDC_145;
[L430] void * Id_MCDC_146;
[L431] void * Id_MCDC_147;
[L432] void * Id_MCDC_148;
[L433] int Id_MCDC_149;
[L434] int Id_MCDC_150;
[L435] int Id_MCDC_151;
[L436] int Id_MCDC_152;
[L437] int Id_MCDC_153;
[L438] int Id_MCDC_154;
[L439] int Id_MCDC_155;
[L440] short Id_MCDC_156;
[L441] short Id_MCDC_157;
[L442] FILE* Id_MCDC_158;
[L443] unsigned short Id_MCDC_159;
[L444] unsigned short Id_MCDC_160;
[L445] unsigned short Id_MCDC_161=0;
[L446] unsigned short Id_MCDC_162=0;
[L447] char Id_MCDC_163;
[L448] char Id_MCDC_164;
[L449] Id_MCDC_158 = fopen("in.eds", "r")
[L450] COND FALSE !(Id_MCDC_158 == (( void * ) 0))
[L455] CALL Id_MCDC_100()
[L420] int Id_MCDC_141;
[L421] void * Id_MCDC_142;
[L422] CALL Id_MCDC_99()
[L400] CHAR Id_MCDC_139 [4]={0, 0, 0, 0};
[L401] UINT32 Id_MCDC_140=0;
[L402] Id_MCDC_113.Id_MCDC_66 = ( PDO_Buffer* ) malloc(372)
[L403] CALL Id_MCDC_97()
[L331] UINT32 Id_MCDC_123;
[L332] UINT32 Id_MCDC_124;
[L333] UINT32 Id_MCDC_125;
[L334] UINT32 Id_MCDC_126;
[L335] UINT32 Id_MCDC_127;
[L336] UINT32 Id_MCDC_128=0x00;
[L337] UINT16 Id_MCDC_129;
[L338] UINT32 Id_MCDC_130=0x00;
[L339] UINT32 Id_MCDC_131=0x00;
[L340] UINT8 Id_MCDC_35=0;
[L341] UINT8 Id_MCDC_132=0;
[L342] UINT8 Id_MCDC_36=0;
[L343] UINT8 Id_MCDC_133=0;
[L344] UINT8 Id_MCDC_134=0x00;
[L345] INT32 Id_MCDC_135;
[L346] void * Id_MCDC_136;
[L347] UINT32* Id_MCDC_137;
[L348] UINT16 Id_MCDC_138;
[L349] Id_MCDC_123 = 0x1800
[L350] Id_MCDC_132 = 0
[L354] COND FALSE !(Id_MCDC_123 <= 0x1803)
[L396] return 0x00;
[L336] UINT32 Id_MCDC_128=0x00;
[L396] return 0x00;
[L338] UINT32 Id_MCDC_130=0x00;
[L396] return 0x00;
[L339] UINT32 Id_MCDC_131=0x00;
[L396] return 0x00;
[L396] return 0x00;
[L396] return 0x00;
[L403] RET Id_MCDC_97()
[L404] Id_MCDC_140 = 0
[L415] CALL Id_MCDC_95(4, Id_MCDC_139)
[L280] UINT32 Id_MCDC_121=0;
[L281] UINT32 Id_MCDC_122=0;
[L282] COND FALSE !(Id_MCDC_93 < 2)
[L286] COND FALSE !(Id_MCDC_93 != 2)
[L292] EXPR Id_MCDC_94[1]
[L292] Id_MCDC_122 = Id_MCDC_94[1]
[L294] EXPR Id_MCDC_94[0]
[L294] CALL, EXPR Id_MCDC_92(Id_MCDC_94[0], Id_MCDC_122)
[L249] UINT32 Id_MCDC_117=0;
[L250] UINT32 Id_MCDC_118=0;
[L251] UINT32 Id_MCDC_119=1;
[L252] UINT32 Id_MCDC_120=0;
[L253] COND FALSE !(Id_MCDC_90 > Id_MCDC_91)
[L259] COND FALSE !(Id_MCDC_90 < Id_MCDC_91)
[L266] return Id_MCDC_90;
[L294] RET, EXPR Id_MCDC_92(Id_MCDC_94[0], Id_MCDC_122)
[L294] Id_MCDC_121 = Id_MCDC_92(Id_MCDC_94[0], Id_MCDC_122)
[L295] CALL avoid_zero(Id_MCDC_121 != 0)
[L9] COND FALSE !(!y)
[L295] RET avoid_zero(Id_MCDC_121 != 0)
[L296] EXPR Id_MCDC_94[0]
[L296] EXPR ( long long ) ((Id_MCDC_94[0] * Id_MCDC_122) / Id_MCDC_121) >= 0 && ( long long ) ((Id_MCDC_94[0] * Id_MCDC_122) / Id_MCDC_121) <= 4294967295
[L296] CALL __VERIFIER_assert(( long long ) ((Id_MCDC_94[0] * Id_MCDC_122) / Id_MCDC_121) >= 0 && ( long long ) ((Id_MCDC_94[0] * Id_MCDC_122) / Id_MCDC_121) <= 4294967295)
[L459] COND TRUE ! (Id_MCDC_103)
[L461] __VERIFIER_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 13 procedures, 517 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 2.3s, 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=512occurred 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, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 179 NumberOfCodeBlocks, 179 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 could not prove your program: unable to determine feasibility of some traces
Received shutdown request...