/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.1 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-25 10:18:41,817 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 10:18:41,822 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 10:18:41,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 10:18:41,870 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 10:18:41,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 10:18:41,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 10:18:41,885 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 10:18:41,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 10:18:41,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 10:18:41,892 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 10:18:41,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 10:18:41,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 10:18:41,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 10:18:41,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 10:18:41,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 10:18:41,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 10:18:41,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 10:18:41,906 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 10:18:41,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 10:18:41,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 10:18:41,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 10:18:41,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 10:18:41,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 10:18:41,935 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 10:18:41,935 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 10:18:41,935 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 10:18:41,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 10:18:41,941 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 10:18:41,945 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 10:18:41,946 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 10:18:41,947 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 10:18:41,947 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 10:18:41,952 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 10:18:41,954 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 10:18:41,954 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 10:18:41,955 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 10:18:41,955 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 10:18:41,955 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 10:18:41,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 10:18:41,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 10:18:41,958 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 10:18:42,007 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 10:18:42,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 10:18:42,010 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 10:18:42,010 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 10:18:42,010 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 10:18:42,011 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 10:18:42,011 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 10:18:42,011 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 10:18:42,011 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 10:18:42,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 10:18:42,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 10:18:42,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 10:18:42,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 10:18:42,013 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 10:18:42,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 10:18:42,014 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 10:18:42,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 10:18:42,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 10:18:42,014 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 10:18:42,015 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 10:18:42,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 10:18:42,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 10:18:42,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 10:18:42,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 10:18:42,016 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 10:18:42,016 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 10:18:42,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 10:18:42,016 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 10:18:42,016 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 10:18:42,016 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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true;
[2020-09-25 10:18:42,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 10:18:42,501 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 10:18:42,506 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 10:18:42,508 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 10:18:42,508 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 10:18:42,509 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c
[2020-09-25 10:18:42,586 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/43dbd98be/fbe584ea6f934cd088decda3cc4c6bd6/FLAGb8ef3bc2d
[2020-09-25 10:18:43,173 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 10:18:43,174 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c
[2020-09-25 10:18:43,184 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/43dbd98be/fbe584ea6f934cd088decda3cc4c6bd6/FLAGb8ef3bc2d
[2020-09-25 10:18:43,524 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/43dbd98be/fbe584ea6f934cd088decda3cc4c6bd6
[2020-09-25 10:18:43,537 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 10:18:43,544 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 10:18:43,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 10:18:43,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 10:18:43,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 10:18:43,553 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:18:43" (1/1) ...
[2020-09-25 10:18:43,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21af3704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:18:43, skipping insertion in model container
[2020-09-25 10:18:43,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:18:43" (1/1) ...
[2020-09-25 10:18:43,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 10:18:43,599 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 10:18:43,843 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 10:18:43,850 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 10:18:43,882 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 10:18:43,905 INFO L208 MainTranslator]: Completed translation
[2020-09-25 10:18:43,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:18:43 WrapperNode
[2020-09-25 10:18:43,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 10:18:43,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 10:18:43,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 10:18:43,909 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 10:18:44,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:18:43" (1/1) ...
[2020-09-25 10:18:44,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:18:43" (1/1) ...
[2020-09-25 10:18:44,012 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:18:43" (1/1) ...
[2020-09-25 10:18:44,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:18:43" (1/1) ...
[2020-09-25 10:18:44,023 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:18:43" (1/1) ...
[2020-09-25 10:18:44,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:18:43" (1/1) ...
[2020-09-25 10:18:44,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:18:43" (1/1) ...
[2020-09-25 10:18:44,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 10:18:44,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 10:18:44,039 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 10:18:44,040 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 10:18:44,041 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:18:43" (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 10:18:44,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 10:18:44,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 10:18:44,111 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 10:18:44,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 10:18:44,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 10:18:44,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2020-09-25 10:18:44,112 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 10:18:44,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 10:18:44,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 10:18:44,492 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 10:18:44,492 INFO L295 CfgBuilder]: Removed 0 assume(true) statements.
[2020-09-25 10:18:44,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:18:44 BoogieIcfgContainer
[2020-09-25 10:18:44,499 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 10:18:44,500 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 10:18:44,500 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 10:18:44,504 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 10:18:44,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 10:18:43" (1/3) ...
[2020-09-25 10:18:44,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d29a415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:18:44, skipping insertion in model container
[2020-09-25 10:18:44,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:18:43" (2/3) ...
[2020-09-25 10:18:44,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d29a415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:18:44, skipping insertion in model container
[2020-09-25 10:18:44,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:18:44" (3/3) ...
[2020-09-25 10:18:44,511 INFO L109 eAbstractionObserver]: Analyzing ICFG mod3.c.v+sep-reducer.c
[2020-09-25 10:18:44,527 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 10:18:44,537 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 10:18:44,558 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 10:18:44,593 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 10:18:44,593 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 10:18:44,593 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 10:18:44,593 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 10:18:44,594 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 10:18:44,594 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 10:18:44,594 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 10:18:44,594 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 10:18:44,621 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states.
[2020-09-25 10:18:44,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2020-09-25 10:18:44,631 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 10:18:44,633 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]
[2020-09-25 10:18:44,633 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 10:18:44,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 10:18:44,640 INFO L82 PathProgramCache]: Analyzing trace with hash 421001685, now seen corresponding path program 1 times
[2020-09-25 10:18:44,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 10:18:44,650 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [146921995]
[2020-09-25 10:18:44,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 10:18:44,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:18:44,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:18:45,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:18:45,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43
[2020-09-25 10:18:45,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:18:45,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 869
[2020-09-25 10:18:45,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:18:45,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 10:18:45,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 10:18:45,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26
[2020-09-25 10:18:45,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16
[2020-09-25 10:18:45,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5
[2020-09-25 10:18:46,221 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 28
[2020-09-25 10:18:46,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 10:18:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:18:46,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:18:46,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:18:46,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16
[2020-09-25 10:18:46,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:18:46,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 10:18:46,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:18:46,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 10:18:46,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:18:46,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:18:46,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:18:46,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:18:46,385 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 10:18:46,386 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [146921995]
[2020-09-25 10:18:46,389 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 10:18:46,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-25 10:18:46,390 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76417796]
[2020-09-25 10:18:46,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-25 10:18:46,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 10:18:46,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-25 10:18:46,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2020-09-25 10:18:46,420 INFO L87 Difference]: Start difference. First operand 89 states. Second operand 7 states.
[2020-09-25 10:18:51,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 10:18:51,392 INFO L93 Difference]: Finished difference Result 218 states and 246 transitions.
[2020-09-25 10:18:51,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2020-09-25 10:18:51,394 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36
[2020-09-25 10:18:51,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 10:18:51,413 INFO L225 Difference]: With dead ends: 218
[2020-09-25 10:18:51,413 INFO L226 Difference]: Without dead ends: 119
[2020-09-25 10:18:51,418 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110
[2020-09-25 10:18:51,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states.
[2020-09-25 10:18:51,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 88.
[2020-09-25 10:18:51,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states.
[2020-09-25 10:18:51,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 94 transitions.
[2020-09-25 10:18:51,475 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 94 transitions. Word has length 36
[2020-09-25 10:18:51,475 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 10:18:51,475 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 94 transitions.
[2020-09-25 10:18:51,476 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-25 10:18:51,476 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 94 transitions.
[2020-09-25 10:18:51,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38
[2020-09-25 10:18:51,478 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 10:18:51,478 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]
[2020-09-25 10:18:51,479 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 10:18:51,479 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 10:18:51,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 10:18:51,479 INFO L82 PathProgramCache]: Analyzing trace with hash -2025352708, now seen corresponding path program 1 times
[2020-09-25 10:18:51,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 10:18:51,480 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1349494773]
[2020-09-25 10:18:51,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 10:18:51,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:18:51,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:18:51,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:18:51,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44
[2020-09-25 10:18:51,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:18:51,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 391
[2020-09-25 10:18:51,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:18:51,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 10:18:51,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 10:18:51,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27
[2020-09-25 10:18:51,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16
[2020-09-25 10:18:51,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:18:52,183 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 22
[2020-09-25 10:18:52,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 10:18:52,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:18:52,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:18:52,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:18:52,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16
[2020-09-25 10:18:52,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:18:52,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 10:18:52,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:18:52,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 10:18:52,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:18:52,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:18:52,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:18:52,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:18:52,366 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 10:18:52,367 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1349494773]
[2020-09-25 10:18:52,367 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 10:18:52,367 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-25 10:18:52,367 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025065143]
[2020-09-25 10:18:52,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-25 10:18:52,370 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 10:18:52,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-25 10:18:52,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2020-09-25 10:18:52,371 INFO L87 Difference]: Start difference. First operand 88 states and 94 transitions. Second operand 7 states.
[2020-09-25 10:18:59,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 10:18:59,380 INFO L93 Difference]: Finished difference Result 184 states and 201 transitions.
[2020-09-25 10:18:59,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2020-09-25 10:18:59,380 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37
[2020-09-25 10:18:59,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 10:18:59,391 INFO L225 Difference]: With dead ends: 184
[2020-09-25 10:18:59,391 INFO L226 Difference]: Without dead ends: 0
[2020-09-25 10:18:59,397 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110
[2020-09-25 10:18:59,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-09-25 10:18:59,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-09-25 10:18:59,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-09-25 10:18:59,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-09-25 10:18:59,399 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37
[2020-09-25 10:18:59,399 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 10:18:59,400 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-09-25 10:18:59,400 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-25 10:18:59,400 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-09-25 10:18:59,400 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-09-25 10:18:59,401 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 10:18:59,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-09-25 10:18:59,526 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed.
[2020-09-25 10:18:59,527 INFO L268 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed.
[2020-09-25 10:18:59,527 INFO L268 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed.
[2020-09-25 10:18:59,527 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed.
[2020-09-25 10:18:59,527 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__tmp_22_0~0 |old(~__tmp_22_0~0)|) (= ~__tmp_22_1~0 |old(~__tmp_22_1~0)|) (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_65~0 |old(~__return_65~0)|) (= ~__tmp_25_1~0 |old(~__tmp_25_1~0)|) (= ~__tmp_31_0~0 |old(~__tmp_31_0~0)|) (= ~__tmp_28_0~0 |old(~__tmp_28_0~0)|) (= ~__tmp_25_0~0 |old(~__tmp_25_0~0)|))
[2020-09-25 10:18:59,528 INFO L268 CegarLoopResult]: For program point L9(line 9) no Hoare annotation was computed.
[2020-09-25 10:18:59,528 INFO L268 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed.
[2020-09-25 10:18:59,528 INFO L268 CegarLoopResult]: For program point L7(line 7) no Hoare annotation was computed.
[2020-09-25 10:18:59,528 INFO L268 CegarLoopResult]: For program point L6(line 6) no Hoare annotation was computed.
[2020-09-25 10:18:59,528 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2020-09-25 10:18:59,529 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2020-09-25 10:18:59,529 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true
[2020-09-25 10:18:59,529 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2020-09-25 10:18:59,529 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2020-09-25 10:18:59,529 INFO L268 CegarLoopResult]: For program point L93(lines 93 102) no Hoare annotation was computed.
[2020-09-25 10:18:59,529 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 13 145) no Hoare annotation was computed.
[2020-09-25 10:18:59,530 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed.
[2020-09-25 10:18:59,530 INFO L268 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed.
[2020-09-25 10:18:59,530 INFO L268 CegarLoopResult]: For program point L19-1(line 19) no Hoare annotation was computed.
[2020-09-25 10:18:59,530 INFO L268 CegarLoopResult]: For program point L19-2(line 19) no Hoare annotation was computed.
[2020-09-25 10:18:59,530 INFO L268 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed.
[2020-09-25 10:18:59,530 INFO L268 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed.
[2020-09-25 10:18:59,531 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed.
[2020-09-25 10:18:59,531 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed.
[2020-09-25 10:18:59,531 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed.
[2020-09-25 10:18:59,531 INFO L268 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed.
[2020-09-25 10:18:59,531 INFO L268 CegarLoopResult]: For program point L86(lines 86 108) no Hoare annotation was computed.
[2020-09-25 10:18:59,531 INFO L268 CegarLoopResult]: For program point L20(lines 20 144) no Hoare annotation was computed.
[2020-09-25 10:18:59,532 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed.
[2020-09-25 10:18:59,532 INFO L268 CegarLoopResult]: For program point L45(lines 45 82) no Hoare annotation was computed.
[2020-09-25 10:18:59,532 INFO L271 CegarLoopResult]: At program point L136(lines 14 145) the Hoare annotation is: true
[2020-09-25 10:18:59,532 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed.
[2020-09-25 10:18:59,532 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed.
[2020-09-25 10:18:59,532 INFO L268 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed.
[2020-09-25 10:18:59,533 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed.
[2020-09-25 10:18:59,533 INFO L268 CegarLoopResult]: For program point L54(lines 54 81) no Hoare annotation was computed.
[2020-09-25 10:18:59,533 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 13 145) no Hoare annotation was computed.
[2020-09-25 10:18:59,533 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed.
[2020-09-25 10:18:59,533 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 95) no Hoare annotation was computed.
[2020-09-25 10:18:59,533 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed.
[2020-09-25 10:18:59,534 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed.
[2020-09-25 10:18:59,534 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 13 145) the Hoare annotation is: (and (= |old(~__tmp_22_1~0)| ~__tmp_22_1~0) (= |old(~__tmp_22_0~0)| ~__tmp_22_0~0) (= |old(~__return_65~0)| ~__return_65~0) (= |old(~__tmp_25_1~0)| ~__tmp_25_1~0) (= |old(~__tmp_25_0~0)| ~__tmp_25_0~0) (= |old(~__tmp_31_0~0)| ~__tmp_31_0~0) (= |old(~__tmp_28_0~0)| ~__tmp_28_0~0))
[2020-09-25 10:18:59,534 INFO L271 CegarLoopResult]: At program point L121(lines 33 138) the Hoare annotation is: true
[2020-09-25 10:18:59,534 INFO L268 CegarLoopResult]: For program point L22(lines 22 139) no Hoare annotation was computed.
[2020-09-25 10:18:59,534 INFO L268 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed.
[2020-09-25 10:18:59,535 INFO L268 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed.
[2020-09-25 10:18:59,535 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed.
[2020-09-25 10:18:59,535 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed.
[2020-09-25 10:18:59,535 INFO L268 CegarLoopResult]: For program point L64-1(line 64) no Hoare annotation was computed.
[2020-09-25 10:18:59,535 INFO L268 CegarLoopResult]: For program point L64-2(line 64) no Hoare annotation was computed.
[2020-09-25 10:18:59,535 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed.
[2020-09-25 10:18:59,536 INFO L268 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed.
[2020-09-25 10:18:59,536 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed.
[2020-09-25 10:18:59,536 INFO L268 CegarLoopResult]: For program point L114-1(line 114) no Hoare annotation was computed.
[2020-09-25 10:18:59,536 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed.
[2020-09-25 10:18:59,536 INFO L268 CegarLoopResult]: For program point L114-2(line 114) no Hoare annotation was computed.
[2020-09-25 10:18:59,537 INFO L264 CegarLoopResult]: At program point L40(lines 22 139) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ .cse2 main_~main__x~0) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 (div (+ .cse2 (* .cse1 (- 3)) main_~main__x~0) 4294967296)))))))
[2020-09-25 10:18:59,537 INFO L268 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed.
[2020-09-25 10:18:59,537 INFO L268 CegarLoopResult]: For program point L65(lines 65 80) no Hoare annotation was computed.
[2020-09-25 10:18:59,537 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed.
[2020-09-25 10:18:59,537 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed.
[2020-09-25 10:18:59,537 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed.
[2020-09-25 10:18:59,537 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed.
[2020-09-25 10:18:59,538 INFO L268 CegarLoopResult]: For program point L115(lines 115 137) no Hoare annotation was computed.
[2020-09-25 10:18:59,538 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed.
[2020-09-25 10:18:59,538 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed.
[2020-09-25 10:18:59,538 INFO L268 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed.
[2020-09-25 10:18:59,538 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed.
[2020-09-25 10:18:59,538 INFO L268 CegarLoopResult]: For program point L33(lines 33 138) no Hoare annotation was computed.
[2020-09-25 10:18:59,539 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed.
[2020-09-25 10:18:59,539 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed.
[2020-09-25 10:18:59,539 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed.
[2020-09-25 10:18:59,539 INFO L264 CegarLoopResult]: At program point L50(lines 22 139) the Hoare annotation is: (<= (* 2863311531 main_~main__x~0) (let ((.cse0 (div main_~main__x~0 4294967296))) (+ (* 12297829383904690176 .cse0) (* 8589934592 (div (+ (* .cse0 (- 4294967296)) main_~main__x~0) 3)) 1431655765)))
[2020-09-25 10:18:59,539 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed.
[2020-09-25 10:18:59,539 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed.
[2020-09-25 10:18:59,540 INFO L268 CegarLoopResult]: For program point L42-1(line 42) no Hoare annotation was computed.
[2020-09-25 10:18:59,540 INFO L268 CegarLoopResult]: For program point L42-2(line 42) no Hoare annotation was computed.
[2020-09-25 10:18:59,540 INFO L271 CegarLoopResult]: At program point L133(lines 33 138) the Hoare annotation is: true
[2020-09-25 10:18:59,540 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed.
[2020-09-25 10:18:59,540 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed.
[2020-09-25 10:18:59,540 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed.
[2020-09-25 10:18:59,541 INFO L264 CegarLoopResult]: At program point L59(lines 34 110) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ .cse2 main_~main__x~0) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 (div (+ .cse2 (* .cse1 (- 3)) main_~main__x~0) 4294967296)))))))
[2020-09-25 10:18:59,541 INFO L268 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed.
[2020-09-25 10:18:59,541 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed.
[2020-09-25 10:18:59,541 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed.
[2020-09-25 10:18:59,541 INFO L268 CegarLoopResult]: For program point L43(lines 43 109) no Hoare annotation was computed.
[2020-09-25 10:18:59,541 INFO L268 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed.
[2020-09-25 10:18:59,542 INFO L268 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed.
[2020-09-25 10:18:59,542 INFO L268 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed.
[2020-09-25 10:18:59,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 10:18:59 BoogieIcfgContainer
[2020-09-25 10:18:59,568 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 10:18:59,571 INFO L168 Benchmark]: Toolchain (without parser) took 16031.36 ms. Allocated memory was 140.5 MB in the beginning and 247.5 MB in the end (delta: 107.0 MB). Free memory was 104.1 MB in the beginning and 204.4 MB in the end (delta: -100.4 MB). Peak memory consumption was 6.6 MB. Max. memory is 7.1 GB.
[2020-09-25 10:18:59,572 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-09-25 10:18:59,573 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.74 ms. Allocated memory is still 140.5 MB. Free memory was 103.4 MB in the beginning and 92.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB.
[2020-09-25 10:18:59,574 INFO L168 Benchmark]: Boogie Preprocessor took 130.41 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 92.7 MB in the beginning and 182.1 MB in the end (delta: -89.4 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB.
[2020-09-25 10:18:59,575 INFO L168 Benchmark]: RCFGBuilder took 459.58 ms. Allocated memory is still 203.9 MB. Free memory was 181.5 MB in the beginning and 161.7 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB.
[2020-09-25 10:18:59,577 INFO L168 Benchmark]: TraceAbstraction took 15068.35 ms. Allocated memory was 203.9 MB in the beginning and 247.5 MB in the end (delta: 43.5 MB). Free memory was 161.0 MB in the beginning and 204.4 MB in the end (delta: -43.5 MB). Peak memory consumption was 56.8 kB. Max. memory is 7.1 GB.
[2020-09-25 10:18:59,581 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.25 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 362.74 ms. Allocated memory is still 140.5 MB. Free memory was 103.4 MB in the beginning and 92.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 130.41 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 92.7 MB in the beginning and 182.1 MB in the end (delta: -89.4 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 459.58 ms. Allocated memory is still 203.9 MB. Free memory was 181.5 MB in the beginning and 161.7 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 15068.35 ms. Allocated memory was 203.9 MB in the beginning and 247.5 MB in the end (delta: 43.5 MB). Free memory was 161.0 MB in the beginning and 204.4 MB in the end (delta: -43.5 MB). Peak memory consumption was 56.8 kB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 95]: 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: 34]: Loop Invariant
Derived loop invariant: main__x <= 4294967296 * (main__x / 4294967296) + 3 * ((main__x / 4294967296 * -4294967296 + main__x) / 3) + 4294967296 * ((main__x / 4294967296 * -4294967296 + (main__x / 4294967296 * -4294967296 + main__x) / 3 * -3 + main__x) / 4294967296)
- InvariantResult [Line: 22]: Loop Invariant
Derived loop invariant: 2863311531 * main__x <= 12297829383904690176 * (main__x / 4294967296) + 8589934592 * ((main__x / 4294967296 * -4294967296 + main__x) / 3) + 1431655765
- InvariantResult [Line: 14]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 22]: Loop Invariant
Derived loop invariant: main__x <= 4294967296 * (main__x / 4294967296) + 3 * ((main__x / 4294967296 * -4294967296 + main__x) / 3) + 4294967296 * ((main__x / 4294967296 * -4294967296 + (main__x / 4294967296 * -4294967296 + main__x) / 3 * -3 + main__x) / 4294967296)
- InvariantResult [Line: 33]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 33]: Loop Invariant
Derived loop invariant: 1
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 12.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 174 SDtfs, 91 SDslu, 434 SDs, 0 SdLazy, 487 SolverSat, 9 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 11.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=89occurred 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, 31 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 18 NumberOfFragments, 156 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 26 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 73 NumberOfCodeBlocks, 73 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 71 ConstructedInterpolants, 0 QuantifiedInterpolants, 33134 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 correct!
Received shutdown request...