/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=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-fpi/ms3f.c


--------------------------------------------------------------------------------


This is Ultimate 0.1.25-c90d42b
[2020-09-25 00:03:21,636 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-25 00:03:21,640 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 00:03:21,668 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 00:03:21,668 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 00:03:21,669 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 00:03:21,671 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 00:03:21,673 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 00:03:21,676 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 00:03:21,677 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 00:03:21,678 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 00:03:21,680 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 00:03:21,680 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 00:03:21,682 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 00:03:21,683 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 00:03:21,684 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 00:03:21,686 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 00:03:21,687 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 00:03:21,689 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 00:03:21,692 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 00:03:21,694 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 00:03:21,696 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 00:03:21,697 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 00:03:21,699 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 00:03:21,702 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 00:03:21,702 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 00:03:21,703 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 00:03:21,704 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 00:03:21,705 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 00:03:21,706 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 00:03:21,706 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 00:03:21,708 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 00:03:21,709 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 00:03:21,710 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 00:03:21,712 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 00:03:21,712 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 00:03:21,713 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 00:03:21,713 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 00:03:21,714 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 00:03:21,715 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 00:03:21,716 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 00:03:21,717 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 00:03:21,746 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-25 00:03:21,746 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 00:03:21,747 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 00:03:21,748 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-25 00:03:21,748 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-25 00:03:21,748 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 00:03:21,748 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-09-25 00:03:21,749 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-25 00:03:21,749 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-09-25 00:03:21,749 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-25 00:03:21,749 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 00:03:21,750 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 00:03:21,750 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 00:03:21,750 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-09-25 00:03:21,750 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-25 00:03:21,750 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-25 00:03:21,751 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-25 00:03:21,751 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 00:03:21,751 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-25 00:03:21,751 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-25 00:03:21,751 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-25 00:03:21,752 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 00:03:21,752 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 00:03:21,752 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 00:03:21,752 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 00:03:21,752 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-25 00:03:21,753 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 00:03:21,753 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 00:03:21,753 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-25 00:03:21,753 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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;log-additional-information=true;
[2020-09-25 00:03:22,332 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 00:03:22,360 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 00:03:22,365 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 00:03:22,368 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-25 00:03:22,369 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-25 00:03:22,371 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/ms3f.c
[2020-09-25 00:03:22,465 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/96031959d/ce1c46af909b4d0ba2b1436bb3d2db20/FLAG051fd89fb
[2020-09-25 00:03:23,025 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-25 00:03:23,026 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/ms3f.c
[2020-09-25 00:03:23,035 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/96031959d/ce1c46af909b4d0ba2b1436bb3d2db20/FLAG051fd89fb
[2020-09-25 00:03:23,348 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/96031959d/ce1c46af909b4d0ba2b1436bb3d2db20
[2020-09-25 00:03:23,365 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 00:03:23,373 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 00:03:23,374 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 00:03:23,374 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 00:03:23,379 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 00:03:23,380 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:03:23" (1/1) ...
[2020-09-25 00:03:23,385 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@434f45a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:23, skipping insertion in model container
[2020-09-25 00:03:23,385 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:03:23" (1/1) ...
[2020-09-25 00:03:23,395 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-25 00:03:23,425 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-25 00:03:23,645 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 00:03:23,657 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-25 00:03:23,682 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 00:03:23,700 INFO  L208         MainTranslator]: Completed translation
[2020-09-25 00:03:23,700 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:23 WrapperNode
[2020-09-25 00:03:23,701 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 00:03:23,702 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 00:03:23,702 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 00:03:23,702 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 00:03:23,795 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:23" (1/1) ...
[2020-09-25 00:03:23,796 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:23" (1/1) ...
[2020-09-25 00:03:23,807 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:23" (1/1) ...
[2020-09-25 00:03:23,807 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:23" (1/1) ...
[2020-09-25 00:03:23,816 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:23" (1/1) ...
[2020-09-25 00:03:23,822 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:23" (1/1) ...
[2020-09-25 00:03:23,824 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:23" (1/1) ...
[2020-09-25 00:03:23,827 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 00:03:23,828 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 00:03:23,828 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 00:03:23,828 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-25 00:03:23,829 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:23" (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 00:03:23,910 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 00:03:23,911 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 00:03:23,911 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2020-09-25 00:03:23,911 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2020-09-25 00:03:23,911 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 00:03:23,911 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 00:03:23,911 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2020-09-25 00:03:23,911 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2020-09-25 00:03:23,912 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2020-09-25 00:03:23,912 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 00:03:23,912 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 00:03:23,912 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-25 00:03:23,912 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 00:03:23,913 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 00:03:23,913 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 00:03:23,913 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 00:03:23,913 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 00:03:23,914 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 00:03:23,914 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 00:03:24,237 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 00:03:24,237 INFO  L295             CfgBuilder]: Removed 2 assume(true) statements.
[2020-09-25 00:03:24,244 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:03:24 BoogieIcfgContainer
[2020-09-25 00:03:24,244 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 00:03:24,246 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 00:03:24,246 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 00:03:24,249 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-25 00:03:24,250 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:03:23" (1/3) ...
[2020-09-25 00:03:24,251 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9fa6235 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:03:24, skipping insertion in model container
[2020-09-25 00:03:24,251 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:23" (2/3) ...
[2020-09-25 00:03:24,251 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9fa6235 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:03:24, skipping insertion in model container
[2020-09-25 00:03:24,252 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:03:24" (3/3) ...
[2020-09-25 00:03:24,254 INFO  L109   eAbstractionObserver]: Analyzing ICFG ms3f.c
[2020-09-25 00:03:24,266 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 00:03:24,285 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 00:03:24,307 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 00:03:24,337 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-25 00:03:24,338 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-25 00:03:24,338 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 00:03:24,338 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 00:03:24,338 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 00:03:24,338 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-25 00:03:24,338 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 00:03:24,339 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 00:03:24,365 INFO  L276                IsEmpty]: Start isEmpty. Operand 57 states.
[2020-09-25 00:03:24,374 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2020-09-25 00:03:24,375 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 00:03:24,376 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]
[2020-09-25 00:03:24,377 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:03:24,383 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:03:24,384 INFO  L82        PathProgramCache]: Analyzing trace with hash -845632023, now seen corresponding path program 1 times
[2020-09-25 00:03:24,393 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:03:24,394 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1222020922]
[2020-09-25 00:03:24,394 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:03:24,535 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:03:24,574 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:03:24,628 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:03:24,754 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:03:24,754 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 41
[2020-09-25 00:03:24,754 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 00:03:24,755 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 212
[2020-09-25 00:03:24,758 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:03:24,759 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:03:24,759 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 31
[2020-09-25 00:03:24,759 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:03:24,759 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 4
[2020-09-25 00:03:24,887 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:03:24,893 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:03:24,896 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:03:24,909 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:03:24,909 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 00:03:24,910 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:03:24,910 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 15
[2020-09-25 00:03:24,910 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:03:24,911 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:03:24,911 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:03:24,911 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:03:24,912 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:03:24,920 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-09-25 00:03:24,923 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:03:24,925 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:03:24,934 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:03:24,934 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 00:03:24,935 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:03:24,935 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-09-25 00:03:24,935 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:03:24,936 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:03:24,936 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:03:24,936 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:03:24,937 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:03:24,947 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 00:03:24,948 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1222020922]
[2020-09-25 00:03:24,951 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:03:24,951 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 00:03:24,953 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750759437]
[2020-09-25 00:03:24,959 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 00:03:24,960 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:03:24,977 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 00:03:24,979 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 00:03:24,981 INFO  L87              Difference]: Start difference. First operand 57 states. Second operand 3 states.
[2020-09-25 00:03:25,149 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:03:25,150 INFO  L93              Difference]: Finished difference Result 97 states and 110 transitions.
[2020-09-25 00:03:25,151 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-09-25 00:03:25,152 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 30
[2020-09-25 00:03:25,153 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:03:25,165 INFO  L225             Difference]: With dead ends: 97
[2020-09-25 00:03:25,165 INFO  L226             Difference]: Without dead ends: 45
[2020-09-25 00:03:25,170 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 00:03:25,192 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 45 states.
[2020-09-25 00:03:25,218 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45.
[2020-09-25 00:03:25,220 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 45 states.
[2020-09-25 00:03:25,222 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 47 transitions.
[2020-09-25 00:03:25,224 INFO  L78                 Accepts]: Start accepts. Automaton has 45 states and 47 transitions. Word has length 30
[2020-09-25 00:03:25,224 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:03:25,224 INFO  L479      AbstractCegarLoop]: Abstraction has 45 states and 47 transitions.
[2020-09-25 00:03:25,225 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 00:03:25,225 INFO  L276                IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions.
[2020-09-25 00:03:25,226 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2020-09-25 00:03:25,226 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 00:03:25,226 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]
[2020-09-25 00:03:25,227 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 00:03:25,227 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:03:25,228 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:03:25,228 INFO  L82        PathProgramCache]: Analyzing trace with hash 104990277, now seen corresponding path program 1 times
[2020-09-25 00:03:25,228 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:03:25,228 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1421264724]
[2020-09-25 00:03:25,229 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:03:25,249 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:03:25,265 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:03:25,308 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:03:25,697 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:03:25,697 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 41
[2020-09-25 00:03:25,698 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 00:03:25,698 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 446
[2020-09-25 00:03:25,698 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:03:25,699 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 3
[2020-09-25 00:03:25,699 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 18
[2020-09-25 00:03:25,700 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 14
[2020-09-25 00:03:25,700 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:03:25,789 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:03:25,792 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:03:25,794 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:03:25,801 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:03:25,801 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 00:03:25,802 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:03:25,802 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 00:03:25,802 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:03:25,802 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:03:25,803 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:03:25,803 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:03:25,803 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:03:25,806 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-09-25 00:03:25,808 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:03:25,811 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:03:25,821 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:03:25,822 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 00:03:25,822 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:03:25,822 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 12
[2020-09-25 00:03:25,822 FATAL L256   erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:03:25,823 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:03:25,823 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:03:25,823 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 00:03:25,823 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:03:25,828 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 00:03:25,828 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1421264724]
[2020-09-25 00:03:25,829 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:03:25,829 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 00:03:25,829 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058531501]
[2020-09-25 00:03:25,831 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 00:03:25,832 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:03:25,832 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 00:03:25,832 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-09-25 00:03:25,832 INFO  L87              Difference]: Start difference. First operand 45 states and 47 transitions. Second operand 5 states.
[2020-09-25 00:03:25,994 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:03:25,994 INFO  L93              Difference]: Finished difference Result 65 states and 70 transitions.
[2020-09-25 00:03:25,995 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-09-25 00:03:25,995 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 30
[2020-09-25 00:03:25,996 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:03:25,997 INFO  L225             Difference]: With dead ends: 65
[2020-09-25 00:03:25,997 INFO  L226             Difference]: Without dead ends: 47
[2020-09-25 00:03:25,999 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2020-09-25 00:03:25,999 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 47 states.
[2020-09-25 00:03:26,006 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47.
[2020-09-25 00:03:26,007 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 47 states.
[2020-09-25 00:03:26,008 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 49 transitions.
[2020-09-25 00:03:26,009 INFO  L78                 Accepts]: Start accepts. Automaton has 47 states and 49 transitions. Word has length 30
[2020-09-25 00:03:26,009 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:03:26,009 INFO  L479      AbstractCegarLoop]: Abstraction has 47 states and 49 transitions.
[2020-09-25 00:03:26,009 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 00:03:26,010 INFO  L276                IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions.
[2020-09-25 00:03:26,011 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2020-09-25 00:03:26,011 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 00:03:26,012 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]
[2020-09-25 00:03:26,012 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 00:03:26,012 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:03:26,013 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:03:26,013 INFO  L82        PathProgramCache]: Analyzing trace with hash 1687643347, now seen corresponding path program 1 times
[2020-09-25 00:03:26,013 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:03:26,014 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1483708391]
[2020-09-25 00:03:26,014 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:03:26,037 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-25 00:03:26,039 INFO  L174   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-25 00:03:26,040 INFO  L520         BasicCegarLoop]: Counterexample might be feasible
[2020-09-25 00:03:26,045 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 00:03:26,069 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 12:03:26 BoogieIcfgContainer
[2020-09-25 00:03:26,069 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 00:03:26,073 INFO  L168              Benchmark]: Toolchain (without parser) took 2704.44 ms. Allocated memory was 138.9 MB in the beginning and 233.8 MB in the end (delta: 94.9 MB). Free memory was 102.1 MB in the beginning and 175.8 MB in the end (delta: -73.7 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB.
[2020-09-25 00:03:26,074 INFO  L168              Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-09-25 00:03:26,075 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 327.21 ms. Allocated memory is still 138.9 MB. Free memory was 101.5 MB in the beginning and 90.7 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB.
[2020-09-25 00:03:26,077 INFO  L168              Benchmark]: Boogie Preprocessor took 125.54 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 90.7 MB in the beginning and 179.7 MB in the end (delta: -89.1 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB.
[2020-09-25 00:03:26,077 INFO  L168              Benchmark]: RCFGBuilder took 417.07 ms. Allocated memory is still 201.9 MB. Free memory was 179.7 MB in the beginning and 161.1 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB.
[2020-09-25 00:03:26,079 INFO  L168              Benchmark]: TraceAbstraction took 1823.87 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 160.5 MB in the beginning and 175.8 MB in the end (delta: -15.3 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB.
[2020-09-25 00:03:26,085 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.27 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 327.21 ms. Allocated memory is still 138.9 MB. Free memory was 101.5 MB in the beginning and 90.7 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 125.54 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 90.7 MB in the beginning and 179.7 MB in the end (delta: -89.1 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 417.07 ms. Allocated memory is still 201.9 MB. Free memory was 179.7 MB in the beginning and 161.1 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 1823.87 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 160.5 MB in the beginning and 175.8 MB in the end (delta: -15.3 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - CounterExampleResult [Line: 13]: a call of __VERIFIER_error() is reachable
    a call of __VERIFIER_error() is reachable
We found a FailurePath: 
[L17]              int N;
[L21]              N = __VERIFIER_nondet_int()
[L22]  COND FALSE  !(N <= 0)
[L23]  CALL        assume_abort_if_not(N <= 2147483647/sizeof(int))
[L11]  COND FALSE  !(!cond)
[L23]  RET         assume_abort_if_not(N <= 2147483647/sizeof(int))
[L25]              int i;
[L26]              long long sum[1];
[L27]              int *a = malloc(sizeof(int)*N);
[L29]              i=0
[L29]  COND TRUE   i<N
[L31]              a[i] = i%3
[L29]              i++
[L29]  COND FALSE  !(i<N)
[L34]              i=0
[L34]  COND TRUE   i<N
[L36]  COND TRUE   i==0
[L37]              sum[0] = 0
[L34]              i++
[L34]  COND FALSE  !(i<N)
[L42]  EXPR        sum[0]
[L42]  CALL        __VERIFIER_assert(sum[0] > 2*N)
[L13]  COND TRUE   !(cond)
[L13]              __VERIFIER_error()

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 5 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 95 SDtfs, 62 SDslu, 29 SDs, 0 SdLazy, 108 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 2842 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...