/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test11.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-25 06:40:18,403 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 06:40:18,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 06:40:18,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 06:40:18,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 06:40:18,468 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 06:40:18,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 06:40:18,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 06:40:18,478 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 06:40:18,482 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 06:40:18,483 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 06:40:18,484 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 06:40:18,484 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 06:40:18,488 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 06:40:18,492 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 06:40:18,495 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 06:40:18,496 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 06:40:18,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 06:40:18,504 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 06:40:18,506 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 06:40:18,508 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 06:40:18,509 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 06:40:18,510 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 06:40:18,511 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 06:40:18,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 06:40:18,514 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 06:40:18,514 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 06:40:18,515 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 06:40:18,516 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 06:40:18,517 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 06:40:18,517 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 06:40:18,518 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 06:40:18,519 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 06:40:18,520 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 06:40:18,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 06:40:18,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 06:40:18,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 06:40:18,522 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 06:40:18,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 06:40:18,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 06:40:18,525 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 06:40:18,525 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 06:40:18,556 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 06:40:18,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 06:40:18,558 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 06:40:18,558 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 06:40:18,558 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 06:40:18,558 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 06:40:18,559 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 06:40:18,559 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 06:40:18,559 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 06:40:18,559 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 06:40:18,559 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 06:40:18,560 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 06:40:18,560 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 06:40:18,560 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 06:40:18,560 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 06:40:18,560 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 06:40:18,561 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 06:40:18,561 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 06:40:18,561 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 06:40:18,561 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 06:40:18,562 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 06:40:18,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 06:40:18,562 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 06:40:18,562 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 06:40:18,562 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 06:40:18,563 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 06:40:18,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 06:40:18,563 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 06:40:18,563 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 06:40:18,563 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=WIDESTAMONGSMALL;tolerance=0.6;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=WIDESTAMONGSMALL;tolerance=0.6;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=WIDESTAMONGSMALL;tolerance=0.6;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=WIDESTAMONGSMALL;tolerance=0.6;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=WIDESTAMONGSMALL;tolerance=0.6;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=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;
[2020-09-25 06:40:19,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 06:40:19,068 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 06:40:19,072 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 06:40:19,074 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 06:40:19,075 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 06:40:19,076 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test11.c
[2020-09-25 06:40:19,172 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e71f2c347/b8caec89593b4c52bf36fa19ae6d85cd/FLAG38655c4ef
[2020-09-25 06:40:19,717 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 06:40:19,718 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/test11.c
[2020-09-25 06:40:19,726 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e71f2c347/b8caec89593b4c52bf36fa19ae6d85cd/FLAG38655c4ef
[2020-09-25 06:40:20,067 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e71f2c347/b8caec89593b4c52bf36fa19ae6d85cd
[2020-09-25 06:40:20,081 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 06:40:20,087 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 06:40:20,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 06:40:20,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 06:40:20,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 06:40:20,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:40:20" (1/1) ...
[2020-09-25 06:40:20,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@632a6d5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:20, skipping insertion in model container
[2020-09-25 06:40:20,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:40:20" (1/1) ...
[2020-09-25 06:40:20,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 06:40:20,136 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 06:40:20,349 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 06:40:20,365 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 06:40:20,388 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 06:40:20,409 INFO L208 MainTranslator]: Completed translation
[2020-09-25 06:40:20,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:20 WrapperNode
[2020-09-25 06:40:20,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 06:40:20,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 06:40:20,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 06:40:20,412 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 06:40:20,430 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:20" (1/1) ...
[2020-09-25 06:40:20,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:20" (1/1) ...
[2020-09-25 06:40:20,519 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:20" (1/1) ...
[2020-09-25 06:40:20,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:20" (1/1) ...
[2020-09-25 06:40:20,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:20" (1/1) ...
[2020-09-25 06:40:20,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:20" (1/1) ...
[2020-09-25 06:40:20,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:20" (1/1) ...
[2020-09-25 06:40:20,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 06:40:20,544 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 06:40:20,544 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 06:40:20,544 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 06:40:20,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:20" (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 06:40:20,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 06:40:20,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 06:40:20,631 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy
[2020-09-25 06:40:20,631 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 06:40:20,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 06:40:20,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 06:40:20,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool
[2020-09-25 06:40:20,632 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy
[2020-09-25 06:40:20,633 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 06:40:20,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 06:40:20,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 06:40:20,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 06:40:20,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 06:40:20,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 06:40:20,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 06:40:20,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 06:40:20,961 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 06:40:20,961 INFO L295 CfgBuilder]: Removed 0 assume(true) statements.
[2020-09-25 06:40:20,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:40:20 BoogieIcfgContainer
[2020-09-25 06:40:20,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 06:40:20,970 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 06:40:20,971 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 06:40:20,975 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 06:40:20,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 06:40:20" (1/3) ...
[2020-09-25 06:40:20,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59bb5e2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:40:20, skipping insertion in model container
[2020-09-25 06:40:20,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:20" (2/3) ...
[2020-09-25 06:40:20,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59bb5e2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:40:20, skipping insertion in model container
[2020-09-25 06:40:20,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:40:20" (3/3) ...
[2020-09-25 06:40:20,980 INFO L109 eAbstractionObserver]: Analyzing ICFG test11.c
[2020-09-25 06:40:20,994 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 06:40:21,006 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 06:40:21,033 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 06:40:21,069 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 06:40:21,070 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 06:40:21,070 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 06:40:21,070 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 06:40:21,070 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 06:40:21,071 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 06:40:21,071 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 06:40:21,071 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 06:40:21,100 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states.
[2020-09-25 06:40:21,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2020-09-25 06:40:21,110 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 06:40:21,112 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]
[2020-09-25 06:40:21,112 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 06:40:21,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 06:40:21,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1040052544, now seen corresponding path program 1 times
[2020-09-25 06:40:21,128 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 06:40:21,129 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [870191483]
[2020-09-25 06:40:21,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 06:40:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:40:21,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:40:21,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:40:22,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:40:22,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52
[2020-09-25 06:40:22,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 06:40:22,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 728
[2020-09-25 06:40:22,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:40:22,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:40:22,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 06:40:22,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18
[2020-09-25 06:40:22,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29
[2020-09-25 06:40:22,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4
[2020-09-25 06:40:22,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:40:22,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:40:22,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:40:22,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:40:22,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15
[2020-09-25 06:40:22,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:40:22,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18
[2020-09-25 06:40:22,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:40:22,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:40:22,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:40:22,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:40:22,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:40:22,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:40:22,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2020-09-25 06:40:22,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:40:22,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:40:22,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:40:22,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13
[2020-09-25 06:40:22,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:40:22,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37
[2020-09-25 06:40:22,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:40:22,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:40:22,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:40:22,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:40:22,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 06:40:22,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:40:22,283 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 06:40:22,284 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [870191483]
[2020-09-25 06:40:22,286 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 06:40:22,287 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-25 06:40:22,288 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366455491]
[2020-09-25 06:40:22,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-25 06:40:22,295 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 06:40:22,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-25 06:40:22,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-09-25 06:40:22,316 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 6 states.
[2020-09-25 06:40:22,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 06:40:22,625 INFO L93 Difference]: Finished difference Result 93 states and 98 transitions.
[2020-09-25 06:40:22,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-09-25 06:40:22,627 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43
[2020-09-25 06:40:22,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 06:40:22,642 INFO L225 Difference]: With dead ends: 93
[2020-09-25 06:40:22,642 INFO L226 Difference]: Without dead ends: 59
[2020-09-25 06:40:22,647 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2020-09-25 06:40:22,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states.
[2020-09-25 06:40:22,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59.
[2020-09-25 06:40:22,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states.
[2020-09-25 06:40:22,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 61 transitions.
[2020-09-25 06:40:22,703 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 61 transitions. Word has length 43
[2020-09-25 06:40:22,703 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 06:40:22,704 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 61 transitions.
[2020-09-25 06:40:22,704 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-25 06:40:22,704 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions.
[2020-09-25 06:40:22,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2020-09-25 06:40:22,706 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 06:40:22,706 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]
[2020-09-25 06:40:22,706 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 06:40:22,707 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 06:40:22,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 06:40:22,707 INFO L82 PathProgramCache]: Analyzing trace with hash -981249608, now seen corresponding path program 1 times
[2020-09-25 06:40:22,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 06:40:22,708 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1208680506]
[2020-09-25 06:40:22,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 06:40:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:40:22,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:40:22,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:40:23,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:40:23,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55
[2020-09-25 06:40:23,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 06:40:23,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 313
[2020-09-25 06:40:23,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:40:23,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:40:23,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3
[2020-09-25 06:40:23,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42
[2020-09-25 06:40:23,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 06:40:23,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:40:23,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:40:23,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:40:23,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:40:23,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:40:23,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15
[2020-09-25 06:40:23,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:40:23,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20
[2020-09-25 06:40:23,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:40:23,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:40:23,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:40:23,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:40:23,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:40:23,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:40:23,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2020-09-25 06:40:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:40:23,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:40:23,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:40:23,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13
[2020-09-25 06:40:23,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:40:23,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 06:40:23,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:40:23,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:40:23,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:40:23,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:40:23,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:40:23,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:40:23,166 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 06:40:23,167 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1208680506]
[2020-09-25 06:40:23,168 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 06:40:23,168 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 06:40:23,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908921467]
[2020-09-25 06:40:23,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 06:40:23,173 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 06:40:23,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 06:40:23,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-09-25 06:40:23,173 INFO L87 Difference]: Start difference. First operand 59 states and 61 transitions. Second operand 5 states.
[2020-09-25 06:40:23,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 06:40:23,340 INFO L93 Difference]: Finished difference Result 75 states and 77 transitions.
[2020-09-25 06:40:23,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-09-25 06:40:23,341 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46
[2020-09-25 06:40:23,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 06:40:23,343 INFO L225 Difference]: With dead ends: 75
[2020-09-25 06:40:23,343 INFO L226 Difference]: Without dead ends: 59
[2020-09-25 06:40:23,347 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-09-25 06:40:23,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states.
[2020-09-25 06:40:23,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59.
[2020-09-25 06:40:23,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states.
[2020-09-25 06:40:23,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 60 transitions.
[2020-09-25 06:40:23,365 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 60 transitions. Word has length 46
[2020-09-25 06:40:23,366 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 06:40:23,367 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 60 transitions.
[2020-09-25 06:40:23,367 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 06:40:23,367 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions.
[2020-09-25 06:40:23,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50
[2020-09-25 06:40:23,373 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 06:40:23,374 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]
[2020-09-25 06:40:23,374 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 06:40:23,375 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 06:40:23,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 06:40:23,375 INFO L82 PathProgramCache]: Analyzing trace with hash 176769226, now seen corresponding path program 1 times
[2020-09-25 06:40:23,375 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 06:40:23,376 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [915031635]
[2020-09-25 06:40:23,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 06:40:23,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:40:23,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:40:23,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:40:23,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:40:23,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58
[2020-09-25 06:40:23,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 06:40:23,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 445
[2020-09-25 06:40:23,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:40:23,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:40:23,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 06:40:23,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42
[2020-09-25 06:40:23,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11
[2020-09-25 06:40:23,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:40:23,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:40:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:40:23,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:40:23,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:40:23,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15
[2020-09-25 06:40:23,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:40:23,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13
[2020-09-25 06:40:23,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:40:23,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:40:23,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:40:23,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:40:23,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:40:23,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:40:23,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2020-09-25 06:40:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:40:23,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:40:23,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:40:23,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13
[2020-09-25 06:40:23,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:40:23,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 06:40:23,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:40:23,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:40:23,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:40:23,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:40:23,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:40:23,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:40:23,979 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 06:40:23,979 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [915031635]
[2020-09-25 06:40:23,980 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 06:40:23,980 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 06:40:23,980 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542323418]
[2020-09-25 06:40:23,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 06:40:23,981 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 06:40:23,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 06:40:23,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2020-09-25 06:40:23,982 INFO L87 Difference]: Start difference. First operand 59 states and 60 transitions. Second operand 8 states.
[2020-09-25 06:40:24,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 06:40:24,227 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions.
[2020-09-25 06:40:24,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2020-09-25 06:40:24,228 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 49
[2020-09-25 06:40:24,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 06:40:24,229 INFO L225 Difference]: With dead ends: 61
[2020-09-25 06:40:24,230 INFO L226 Difference]: Without dead ends: 55
[2020-09-25 06:40:24,230 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182
[2020-09-25 06:40:24,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states.
[2020-09-25 06:40:24,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55.
[2020-09-25 06:40:24,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states.
[2020-09-25 06:40:24,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 55 transitions.
[2020-09-25 06:40:24,239 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 55 transitions. Word has length 49
[2020-09-25 06:40:24,239 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 06:40:24,239 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 55 transitions.
[2020-09-25 06:40:24,239 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 06:40:24,239 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions.
[2020-09-25 06:40:24,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2020-09-25 06:40:24,240 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 06:40:24,241 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]
[2020-09-25 06:40:24,241 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 06:40:24,241 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 06:40:24,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 06:40:24,242 INFO L82 PathProgramCache]: Analyzing trace with hash -1988535102, now seen corresponding path program 1 times
[2020-09-25 06:40:24,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 06:40:24,242 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1369161758]
[2020-09-25 06:40:24,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 06:40:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:40:24,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:40:24,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:40:24,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62
[2020-09-25 06:40:24,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:40:24,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154
[2020-09-25 06:40:24,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:40:24,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:40:24,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 06:40:24,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24
[2020-09-25 06:40:24,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36
[2020-09-25 06:40:24,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:40:24,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:40:24,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:40:24,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:40:24,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:40:24,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15
[2020-09-25 06:40:24,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:40:24,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12
[2020-09-25 06:40:24,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:40:24,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:40:24,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:40:24,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:40:24,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:40:24,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:40:24,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2020-09-25 06:40:24,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:40:24,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:40:24,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:40:24,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13
[2020-09-25 06:40:24,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:40:24,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13
[2020-09-25 06:40:24,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:40:24,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:40:24,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:40:24,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:40:24,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 06:40:24,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:40:24,537 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 06:40:24,538 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1369161758]
[2020-09-25 06:40:24,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 06:40:24,538 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-25 06:40:24,538 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928461025]
[2020-09-25 06:40:24,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-25 06:40:24,539 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 06:40:24,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-25 06:40:24,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-09-25 06:40:24,540 INFO L87 Difference]: Start difference. First operand 55 states and 55 transitions. Second operand 6 states.
[2020-09-25 06:40:24,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 06:40:24,691 INFO L93 Difference]: Finished difference Result 55 states and 55 transitions.
[2020-09-25 06:40:24,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-09-25 06:40:24,691 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53
[2020-09-25 06:40:24,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 06:40:24,692 INFO L225 Difference]: With dead ends: 55
[2020-09-25 06:40:24,692 INFO L226 Difference]: Without dead ends: 0
[2020-09-25 06:40:24,693 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2020-09-25 06:40:24,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-09-25 06:40:24,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-09-25 06:40:24,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-09-25 06:40:24,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-09-25 06:40:24,694 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53
[2020-09-25 06:40:24,694 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 06:40:24,694 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-09-25 06:40:24,694 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-25 06:40:24,694 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-09-25 06:40:24,694 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-09-25 06:40:24,695 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 06:40:24,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-09-25 06:40:24,830 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed.
[2020-09-25 06:40:24,830 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed.
[2020-09-25 06:40:24,831 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line 5) no Hoare annotation was computed.
[2020-09-25 06:40:24,831 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |~#b~0.offset| |old(~#b~0.offset)|) (= |old(#length)| |#length|) (= |~#a~0.offset| |old(~#a~0.offset)|) (= |~#b~0.base| |old(~#b~0.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |~#a~0.base| |old(~#a~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|))
[2020-09-25 06:40:24,831 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed.
[2020-09-25 06:40:24,831 INFO L268 CegarLoopResult]: For program point L5-1(line 5) no Hoare annotation was computed.
[2020-09-25 06:40:24,831 INFO L268 CegarLoopResult]: For program point L5-2(line 5) no Hoare annotation was computed.
[2020-09-25 06:40:24,832 INFO L268 CegarLoopResult]: For program point L5-3(line 5) no Hoare annotation was computed.
[2020-09-25 06:40:24,832 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2020-09-25 06:40:24,832 INFO L268 CegarLoopResult]: For program point get_dummyFINAL(lines 7 10) no Hoare annotation was computed.
[2020-09-25 06:40:24,832 INFO L268 CegarLoopResult]: For program point L9(line 9) no Hoare annotation was computed.
[2020-09-25 06:40:24,832 INFO L271 CegarLoopResult]: At program point get_dummyENTRY(lines 7 10) the Hoare annotation is: true
[2020-09-25 06:40:24,832 INFO L268 CegarLoopResult]: For program point L9-2(line 9) no Hoare annotation was computed.
[2020-09-25 06:40:24,832 INFO L268 CegarLoopResult]: For program point L9-3(line 9) no Hoare annotation was computed.
[2020-09-25 06:40:24,833 INFO L268 CegarLoopResult]: For program point L9-4(line 9) no Hoare annotation was computed.
[2020-09-25 06:40:24,833 INFO L268 CegarLoopResult]: For program point L9-5(line 9) no Hoare annotation was computed.
[2020-09-25 06:40:24,833 INFO L268 CegarLoopResult]: For program point get_dummyEXIT(lines 7 10) no Hoare annotation was computed.
[2020-09-25 06:40:24,833 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2020-09-25 06:40:24,833 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true
[2020-09-25 06:40:24,833 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2020-09-25 06:40:24,833 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2020-09-25 06:40:24,834 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed.
[2020-09-25 06:40:24,834 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 12 32) no Hoare annotation was computed.
[2020-09-25 06:40:24,834 INFO L268 CegarLoopResult]: For program point L23(line 23) no Hoare annotation was computed.
[2020-09-25 06:40:24,834 INFO L268 CegarLoopResult]: For program point L23-1(line 23) no Hoare annotation was computed.
[2020-09-25 06:40:24,834 INFO L268 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed.
[2020-09-25 06:40:24,834 INFO L268 CegarLoopResult]: For program point L19-1(line 19) no Hoare annotation was computed.
[2020-09-25 06:40:24,834 INFO L268 CegarLoopResult]: For program point L19-2(line 19) no Hoare annotation was computed.
[2020-09-25 06:40:24,835 INFO L268 CegarLoopResult]: For program point L19-3(line 19) no Hoare annotation was computed.
[2020-09-25 06:40:24,835 INFO L268 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed.
[2020-09-25 06:40:24,835 INFO L268 CegarLoopResult]: For program point L19-4(line 19) no Hoare annotation was computed.
[2020-09-25 06:40:24,835 INFO L268 CegarLoopResult]: For program point L15-1(line 15) no Hoare annotation was computed.
[2020-09-25 06:40:24,835 INFO L268 CegarLoopResult]: For program point L15-2(line 15) no Hoare annotation was computed.
[2020-09-25 06:40:24,835 INFO L268 CegarLoopResult]: For program point L19-6(line 19) no Hoare annotation was computed.
[2020-09-25 06:40:24,835 INFO L268 CegarLoopResult]: For program point L19-7(line 19) no Hoare annotation was computed.
[2020-09-25 06:40:24,836 INFO L268 CegarLoopResult]: For program point L19-8(line 19) no Hoare annotation was computed.
[2020-09-25 06:40:24,836 INFO L268 CegarLoopResult]: For program point L19-9(line 19) no Hoare annotation was computed.
[2020-09-25 06:40:24,836 INFO L268 CegarLoopResult]: For program point L19-10(line 19) no Hoare annotation was computed.
[2020-09-25 06:40:24,836 INFO L268 CegarLoopResult]: For program point L19-11(line 19) no Hoare annotation was computed.
[2020-09-25 06:40:24,836 INFO L268 CegarLoopResult]: For program point L19-12(line 19) no Hoare annotation was computed.
[2020-09-25 06:40:24,836 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed.
[2020-09-25 06:40:24,836 INFO L268 CegarLoopResult]: For program point L24(lines 24 26) no Hoare annotation was computed.
[2020-09-25 06:40:24,837 INFO L268 CegarLoopResult]: For program point L24-1(line 24) no Hoare annotation was computed.
[2020-09-25 06:40:24,837 INFO L268 CegarLoopResult]: For program point L24-2(line 24) no Hoare annotation was computed.
[2020-09-25 06:40:24,837 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed.
[2020-09-25 06:40:24,837 INFO L268 CegarLoopResult]: For program point L16-1(line 16) no Hoare annotation was computed.
[2020-09-25 06:40:24,837 INFO L268 CegarLoopResult]: For program point L16-2(line 16) no Hoare annotation was computed.
[2020-09-25 06:40:24,837 INFO L264 CegarLoopResult]: At program point L25(lines 12 32) the Hoare annotation is: false
[2020-09-25 06:40:24,838 INFO L264 CegarLoopResult]: At program point L17(line 17) the Hoare annotation is: (and (= main_~pc~0.base |main_~#c~0.base|) (not (= |main_~#c~0.base| 0)) (= |main_~#c~0.offset| main_~pc~0.offset))
[2020-09-25 06:40:24,838 INFO L268 CegarLoopResult]: For program point L17-1(line 17) no Hoare annotation was computed.
[2020-09-25 06:40:24,838 INFO L268 CegarLoopResult]: For program point L17-2(line 17) no Hoare annotation was computed.
[2020-09-25 06:40:24,838 INFO L268 CegarLoopResult]: For program point L17-3(line 17) no Hoare annotation was computed.
[2020-09-25 06:40:24,838 INFO L268 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed.
[2020-09-25 06:40:24,838 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 12 32) no Hoare annotation was computed.
[2020-09-25 06:40:24,839 INFO L268 CegarLoopResult]: For program point L13-1(line 13) no Hoare annotation was computed.
[2020-09-25 06:40:24,839 INFO L268 CegarLoopResult]: For program point L13-2(line 13) no Hoare annotation was computed.
[2020-09-25 06:40:24,839 INFO L268 CegarLoopResult]: For program point L13-3(line 13) no Hoare annotation was computed.
[2020-09-25 06:40:24,839 INFO L268 CegarLoopResult]: For program point L13-4(line 13) no Hoare annotation was computed.
[2020-09-25 06:40:24,839 INFO L268 CegarLoopResult]: For program point L13-5(line 13) no Hoare annotation was computed.
[2020-09-25 06:40:24,839 INFO L268 CegarLoopResult]: For program point L13-6(line 13) no Hoare annotation was computed.
[2020-09-25 06:40:24,839 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 30) no Hoare annotation was computed.
[2020-09-25 06:40:24,840 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 12 32) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))
[2020-09-25 06:40:24,840 INFO L268 CegarLoopResult]: For program point L18(lines 18 19) no Hoare annotation was computed.
[2020-09-25 06:40:24,840 INFO L268 CegarLoopResult]: For program point L18-1(lines 18 19) no Hoare annotation was computed.
[2020-09-25 06:40:24,840 INFO L268 CegarLoopResult]: For program point L18-3(lines 18 21) no Hoare annotation was computed.
[2020-09-25 06:40:24,840 INFO L268 CegarLoopResult]: For program point L14(line 14) no Hoare annotation was computed.
[2020-09-25 06:40:24,840 INFO L268 CegarLoopResult]: For program point L18-4(lines 18 19) no Hoare annotation was computed.
[2020-09-25 06:40:24,841 INFO L268 CegarLoopResult]: For program point L14-1(line 14) no Hoare annotation was computed.
[2020-09-25 06:40:24,841 INFO L268 CegarLoopResult]: For program point L18-5(lines 18 19) no Hoare annotation was computed.
[2020-09-25 06:40:24,841 INFO L268 CegarLoopResult]: For program point L14-2(line 14) no Hoare annotation was computed.
[2020-09-25 06:40:24,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 06:40:24 BoogieIcfgContainer
[2020-09-25 06:40:24,855 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 06:40:24,858 INFO L168 Benchmark]: Toolchain (without parser) took 4774.42 ms. Allocated memory was 141.0 MB in the beginning and 245.4 MB in the end (delta: 104.3 MB). Free memory was 104.2 MB in the beginning and 198.5 MB in the end (delta: -94.3 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB.
[2020-09-25 06:40:24,859 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB.
[2020-09-25 06:40:24,860 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.09 ms. Allocated memory is still 141.0 MB. Free memory was 103.6 MB in the beginning and 93.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB.
[2020-09-25 06:40:24,861 INFO L168 Benchmark]: Boogie Preprocessor took 131.91 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 93.7 MB in the beginning and 182.5 MB in the end (delta: -88.8 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB.
[2020-09-25 06:40:24,862 INFO L168 Benchmark]: RCFGBuilder took 425.32 ms. Allocated memory is still 204.5 MB. Free memory was 182.5 MB in the beginning and 162.7 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB.
[2020-09-25 06:40:24,863 INFO L168 Benchmark]: TraceAbstraction took 3884.36 ms. Allocated memory was 204.5 MB in the beginning and 245.4 MB in the end (delta: 40.9 MB). Free memory was 162.0 MB in the beginning and 198.5 MB in the end (delta: -36.5 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB.
[2020-09-25 06:40:24,867 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 322.09 ms. Allocated memory is still 141.0 MB. Free memory was 103.6 MB in the beginning and 93.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 131.91 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 93.7 MB in the beginning and 182.5 MB in the end (delta: -88.8 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 425.32 ms. Allocated memory is still 204.5 MB. Free memory was 182.5 MB in the beginning and 162.7 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 3884.36 ms. Allocated memory was 204.5 MB in the beginning and 245.4 MB in the end (delta: 40.9 MB). Free memory was 162.0 MB in the beginning and 198.5 MB in the end (delta: -36.5 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 30]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 12]: Loop Invariant
Derived loop invariant: 0
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.6s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 204 SDtfs, 164 SDslu, 401 SDs, 0 SdLazy, 383 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=70occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 47 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 46 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 191 NumberOfCodeBlocks, 191 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 187 ConstructedInterpolants, 0 QuantifiedInterpolants, 26703 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 correct!
Received shutdown request...