/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/psyco/psyco_io_1.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-25 00:01:05,523 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 00:01:05,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 00:01:05,579 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 00:01:05,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 00:01:05,588 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 00:01:05,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 00:01:05,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 00:01:05,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 00:01:05,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 00:01:05,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 00:01:05,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 00:01:05,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 00:01:05,607 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 00:01:05,610 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 00:01:05,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 00:01:05,613 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 00:01:05,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 00:01:05,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 00:01:05,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 00:01:05,629 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 00:01:05,630 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 00:01:05,631 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 00:01:05,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 00:01:05,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 00:01:05,635 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 00:01:05,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 00:01:05,636 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 00:01:05,636 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 00:01:05,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 00:01:05,638 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 00:01:05,639 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 00:01:05,639 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 00:01:05,640 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 00:01:05,641 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 00:01:05,642 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 00:01:05,643 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 00:01:05,643 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 00:01:05,643 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 00:01:05,644 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 00:01:05,645 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 00:01:05,646 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-09-25 00:01:05,674 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 00:01:05,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 00:01:05,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 00:01:05,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 00:01:05,676 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 00:01:05,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 00:01:05,676 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 00:01:05,677 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 00:01:05,677 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 00:01:05,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 00:01:05,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 00:01:05,678 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 00:01:05,678 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 00:01:05,678 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 00:01:05,678 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 00:01:05,678 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 00:01:05,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 00:01:05,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 00:01:05,679 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 00:01:05,679 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 00:01:05,680 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 00:01:05,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 00:01:05,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 00:01:05,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 00:01:05,680 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 00:01:05,681 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 00:01:05,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 00:01:05,681 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 00:01:05,681 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 00:01:05,681 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;
[2020-09-25 00:01:06,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 00:01:06,149 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 00:01:06,156 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 00:01:06,159 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 00:01:06,160 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 00:01:06,161 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/psyco/psyco_io_1.c
[2020-09-25 00:01:06,232 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/182595dc3/12ae0d6fc6ca4d85b95fb6b44ebd8f8b/FLAG610bc4b13
[2020-09-25 00:01:06,866 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 00:01:06,867 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/psyco/psyco_io_1.c
[2020-09-25 00:01:06,888 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/182595dc3/12ae0d6fc6ca4d85b95fb6b44ebd8f8b/FLAG610bc4b13
[2020-09-25 00:01:07,173 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/182595dc3/12ae0d6fc6ca4d85b95fb6b44ebd8f8b
[2020-09-25 00:01:07,186 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 00:01:07,192 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 00:01:07,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 00:01:07,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 00:01:07,198 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 00:01:07,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:01:07" (1/1) ...
[2020-09-25 00:01:07,204 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@131dba71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:07, skipping insertion in model container
[2020-09-25 00:01:07,204 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:01:07" (1/1) ...
[2020-09-25 00:01:07,213 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 00:01:07,270 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 00:01:07,507 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 00:01:07,514 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 00:01:07,555 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 00:01:07,653 INFO L208 MainTranslator]: Completed translation
[2020-09-25 00:01:07,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:07 WrapperNode
[2020-09-25 00:01:07,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 00:01:07,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 00:01:07,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 00:01:07,656 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 00:01:07,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:07" (1/1) ...
[2020-09-25 00:01:07,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:07" (1/1) ...
[2020-09-25 00:01:07,679 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:07" (1/1) ...
[2020-09-25 00:01:07,680 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:07" (1/1) ...
[2020-09-25 00:01:07,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:07" (1/1) ...
[2020-09-25 00:01:07,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:07" (1/1) ...
[2020-09-25 00:01:07,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:07" (1/1) ...
[2020-09-25 00:01:07,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 00:01:07,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 00:01:07,709 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 00:01:07,709 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 00:01:07,710 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:07" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 00:01:07,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 00:01:07,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 00:01:07,792 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 00:01:07,793 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 00:01:07,793 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 00:01:07,793 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 00:01:07,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 00:01:07,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 00:01:08,449 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 00:01:08,450 INFO L295 CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 00:01:08,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:01:08 BoogieIcfgContainer
[2020-09-25 00:01:08,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 00:01:08,460 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 00:01:08,460 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 00:01:08,464 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 00:01:08,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:01:07" (1/3) ...
[2020-09-25 00:01:08,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eb919db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:01:08, skipping insertion in model container
[2020-09-25 00:01:08,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:07" (2/3) ...
[2020-09-25 00:01:08,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eb919db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:01:08, skipping insertion in model container
[2020-09-25 00:01:08,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:01:08" (3/3) ...
[2020-09-25 00:01:08,469 INFO L109 eAbstractionObserver]: Analyzing ICFG psyco_io_1.c
[2020-09-25 00:01:08,481 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 00:01:08,492 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 00:01:08,514 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 00:01:08,546 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 00:01:08,546 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 00:01:08,546 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 00:01:08,546 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 00:01:08,547 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 00:01:08,547 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 00:01:08,547 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 00:01:08,547 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 00:01:08,575 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states.
[2020-09-25 00:01:08,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2020-09-25 00:01:08,584 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 00:01:08,586 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]
[2020-09-25 00:01:08,586 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:01:08,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:01:08,593 INFO L82 PathProgramCache]: Analyzing trace with hash -1735850516, now seen corresponding path program 1 times
[2020-09-25 00:01:08,605 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:01:08,605 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1302745224]
[2020-09-25 00:01:08,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:01:08,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:01:08,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:01:08,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:01:08,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42
[2020-09-25 00:01:08,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:01:08,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102
[2020-09-25 00:01:08,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:01:08,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:01:08,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40
[2020-09-25 00:01:08,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:01:08,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9
[2020-09-25 00:01:08,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:01:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:01:08,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:01:08,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:01:08,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14
[2020-09-25 00:01:08,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:01:08,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17
[2020-09-25 00:01:08,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:01:08,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:01:08,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:01:08,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:01:08,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:01:09,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 00:01:09,013 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1302745224]
[2020-09-25 00:01:09,016 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:01:09,016 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 00:01:09,017 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170363522]
[2020-09-25 00:01:09,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 00:01:09,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:01:09,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 00:01:09,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 00:01:09,046 INFO L87 Difference]: Start difference. First operand 201 states. Second operand 3 states.
[2020-09-25 00:01:09,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:01:09,142 INFO L93 Difference]: Finished difference Result 368 states and 482 transitions.
[2020-09-25 00:01:09,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 00:01:09,144 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35
[2020-09-25 00:01:09,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:01:09,165 INFO L225 Difference]: With dead ends: 368
[2020-09-25 00:01:09,166 INFO L226 Difference]: Without dead ends: 163
[2020-09-25 00:01:09,172 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 00:01:09,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states.
[2020-09-25 00:01:09,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163.
[2020-09-25 00:01:09,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states.
[2020-09-25 00:01:09,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 193 transitions.
[2020-09-25 00:01:09,240 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 193 transitions. Word has length 35
[2020-09-25 00:01:09,241 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:01:09,241 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 193 transitions.
[2020-09-25 00:01:09,241 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 00:01:09,241 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 193 transitions.
[2020-09-25 00:01:09,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2020-09-25 00:01:09,243 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 00:01:09,243 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 00:01:09,244 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 00:01:09,244 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:01:09,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:01:09,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1081886035, now seen corresponding path program 1 times
[2020-09-25 00:01:09,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:01:09,246 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [342238636]
[2020-09-25 00:01:09,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:01:09,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:01:09,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:01:09,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:01:09,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:01:09,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:01:09,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43
[2020-09-25 00:01:09,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 00:01:09,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 224
[2020-09-25 00:01:09,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:01:09,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:01:09,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17
[2020-09-25 00:01:09,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20
[2020-09-25 00:01:09,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 00:01:09,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:01:09,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:01:09,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:01:09,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:01:09,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14
[2020-09-25 00:01:09,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:01:09,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 00:01:09,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:01:09,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:01:09,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:01:09,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:01:09,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:01:09,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 00:01:09,588 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [342238636]
[2020-09-25 00:01:09,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:01:09,588 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 00:01:09,588 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458186887]
[2020-09-25 00:01:09,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 00:01:09,591 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:01:09,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 00:01:09,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 00:01:09,592 INFO L87 Difference]: Start difference. First operand 163 states and 193 transitions. Second operand 4 states.
[2020-09-25 00:01:10,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:01:10,006 INFO L93 Difference]: Finished difference Result 330 states and 394 transitions.
[2020-09-25 00:01:10,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2020-09-25 00:01:10,007 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36
[2020-09-25 00:01:10,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:01:10,009 INFO L225 Difference]: With dead ends: 330
[2020-09-25 00:01:10,009 INFO L226 Difference]: Without dead ends: 181
[2020-09-25 00:01:10,011 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-09-25 00:01:10,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states.
[2020-09-25 00:01:10,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181.
[2020-09-25 00:01:10,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states.
[2020-09-25 00:01:10,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 212 transitions.
[2020-09-25 00:01:10,029 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 212 transitions. Word has length 36
[2020-09-25 00:01:10,029 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:01:10,029 INFO L479 AbstractCegarLoop]: Abstraction has 181 states and 212 transitions.
[2020-09-25 00:01:10,029 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 00:01:10,030 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 212 transitions.
[2020-09-25 00:01:10,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2020-09-25 00:01:10,032 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 00:01:10,032 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 00:01:10,032 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 00:01:10,033 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:01:10,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:01:10,033 INFO L82 PathProgramCache]: Analyzing trace with hash 989236732, now seen corresponding path program 1 times
[2020-09-25 00:01:10,033 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:01:10,034 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2044750495]
[2020-09-25 00:01:10,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:01:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:01:10,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:01:10,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:01:10,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:01:10,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65
[2020-09-25 00:01:10,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 00:01:10,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 183
[2020-09-25 00:01:10,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:01:10,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:01:10,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41
[2020-09-25 00:01:10,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18
[2020-09-25 00:01:10,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:01:10,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:01:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:01:10,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:01:10,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:01:10,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14
[2020-09-25 00:01:10,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:01:10,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 00:01:10,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:01:10,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:01:10,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:01:10,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:01:10,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:01:10,309 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 00:01:10,310 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2044750495]
[2020-09-25 00:01:10,310 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:01:10,310 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 00:01:10,311 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407654447]
[2020-09-25 00:01:10,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 00:01:10,311 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:01:10,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 00:01:10,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 00:01:10,312 INFO L87 Difference]: Start difference. First operand 181 states and 212 transitions. Second operand 4 states.
[2020-09-25 00:01:10,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:01:10,439 INFO L93 Difference]: Finished difference Result 330 states and 388 transitions.
[2020-09-25 00:01:10,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2020-09-25 00:01:10,440 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58
[2020-09-25 00:01:10,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:01:10,442 INFO L225 Difference]: With dead ends: 330
[2020-09-25 00:01:10,443 INFO L226 Difference]: Without dead ends: 163
[2020-09-25 00:01:10,444 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-09-25 00:01:10,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states.
[2020-09-25 00:01:10,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163.
[2020-09-25 00:01:10,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states.
[2020-09-25 00:01:10,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 188 transitions.
[2020-09-25 00:01:10,459 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 188 transitions. Word has length 58
[2020-09-25 00:01:10,459 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:01:10,460 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 188 transitions.
[2020-09-25 00:01:10,460 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 00:01:10,460 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 188 transitions.
[2020-09-25 00:01:10,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72
[2020-09-25 00:01:10,464 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 00:01:10,465 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 00:01:10,465 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 00:01:10,465 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:01:10,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:01:10,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1364131535, now seen corresponding path program 1 times
[2020-09-25 00:01:10,466 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:01:10,467 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [216447380]
[2020-09-25 00:01:10,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:01:10,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:01:10,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:01:10,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:01:10,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78
[2020-09-25 00:01:10,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:01:10,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79
[2020-09-25 00:01:10,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:01:10,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:01:10,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42
[2020-09-25 00:01:10,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35
[2020-09-25 00:01:10,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:01:10,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:01:10,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:01:10,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:01:10,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:01:10,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14
[2020-09-25 00:01:10,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:01:10,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-09-25 00:01:10,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:01:10,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:01:10,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:01:10,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:01:10,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:01:10,660 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 00:01:10,661 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [216447380]
[2020-09-25 00:01:10,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:01:10,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 00:01:10,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361279212]
[2020-09-25 00:01:10,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 00:01:10,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:01:10,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 00:01:10,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 00:01:10,663 INFO L87 Difference]: Start difference. First operand 163 states and 188 transitions. Second operand 4 states.
[2020-09-25 00:01:10,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:01:10,976 INFO L93 Difference]: Finished difference Result 383 states and 454 transitions.
[2020-09-25 00:01:10,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2020-09-25 00:01:10,976 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 71
[2020-09-25 00:01:10,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:01:10,979 INFO L225 Difference]: With dead ends: 383
[2020-09-25 00:01:10,979 INFO L226 Difference]: Without dead ends: 258
[2020-09-25 00:01:10,980 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-09-25 00:01:10,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states.
[2020-09-25 00:01:10,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 252.
[2020-09-25 00:01:10,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states.
[2020-09-25 00:01:10,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 294 transitions.
[2020-09-25 00:01:10,995 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 294 transitions. Word has length 71
[2020-09-25 00:01:10,996 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:01:10,996 INFO L479 AbstractCegarLoop]: Abstraction has 252 states and 294 transitions.
[2020-09-25 00:01:10,996 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 00:01:10,996 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 294 transitions.
[2020-09-25 00:01:10,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73
[2020-09-25 00:01:10,998 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 00:01:10,998 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 00:01:10,998 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 00:01:10,999 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:01:10,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:01:10,999 INFO L82 PathProgramCache]: Analyzing trace with hash -2059109809, now seen corresponding path program 1 times
[2020-09-25 00:01:10,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:01:11,000 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1057220122]
[2020-09-25 00:01:11,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:01:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:01:11,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:01:11,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:01:11,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:01:11,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79
[2020-09-25 00:01:11,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 00:01:11,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155
[2020-09-25 00:01:11,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:01:11,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:01:11,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41
[2020-09-25 00:01:11,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19
[2020-09-25 00:01:11,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:01:11,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:01:11,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:01:11,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:01:11,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:01:11,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14
[2020-09-25 00:01:11,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:01:11,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 00:01:11,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:01:11,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:01:11,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:01:11,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:01:11,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:01:11,243 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 00:01:11,243 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1057220122]
[2020-09-25 00:01:11,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:01:11,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 00:01:11,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29657749]
[2020-09-25 00:01:11,244 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 00:01:11,245 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:01:11,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 00:01:11,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 00:01:11,245 INFO L87 Difference]: Start difference. First operand 252 states and 294 transitions. Second operand 4 states.
[2020-09-25 00:01:11,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:01:11,471 INFO L93 Difference]: Finished difference Result 497 states and 580 transitions.
[2020-09-25 00:01:11,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2020-09-25 00:01:11,472 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 72
[2020-09-25 00:01:11,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:01:11,474 INFO L225 Difference]: With dead ends: 497
[2020-09-25 00:01:11,474 INFO L226 Difference]: Without dead ends: 286
[2020-09-25 00:01:11,475 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-09-25 00:01:11,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states.
[2020-09-25 00:01:11,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 284.
[2020-09-25 00:01:11,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states.
[2020-09-25 00:01:11,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 326 transitions.
[2020-09-25 00:01:11,487 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 326 transitions. Word has length 72
[2020-09-25 00:01:11,487 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:01:11,488 INFO L479 AbstractCegarLoop]: Abstraction has 284 states and 326 transitions.
[2020-09-25 00:01:11,488 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 00:01:11,488 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 326 transitions.
[2020-09-25 00:01:11,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112
[2020-09-25 00:01:11,490 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 00:01:11,491 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 00:01:11,491 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-25 00:01:11,491 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:01:11,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:01:11,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1063922455, now seen corresponding path program 1 times
[2020-09-25 00:01:11,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:01:11,492 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1814582286]
[2020-09-25 00:01:11,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:01:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:01:11,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:01:11,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:01:11,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118
[2020-09-25 00:01:11,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:01:11,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99
[2020-09-25 00:01:11,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:01:11,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:01:11,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81
[2020-09-25 00:01:11,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19
[2020-09-25 00:01:11,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:01:11,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:01:11,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:01:11,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:01:11,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:01:11,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14
[2020-09-25 00:01:11,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:01:11,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 00:01:11,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:01:11,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:01:11,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:01:11,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:01:11,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:01:11,714 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2020-09-25 00:01:11,715 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1814582286]
[2020-09-25 00:01:11,715 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:01:11,715 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 00:01:11,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451880917]
[2020-09-25 00:01:11,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 00:01:11,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:01:11,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 00:01:11,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 00:01:11,717 INFO L87 Difference]: Start difference. First operand 284 states and 326 transitions. Second operand 4 states.
[2020-09-25 00:01:11,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:01:11,916 INFO L93 Difference]: Finished difference Result 463 states and 534 transitions.
[2020-09-25 00:01:11,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2020-09-25 00:01:11,917 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 111
[2020-09-25 00:01:11,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:01:11,919 INFO L225 Difference]: With dead ends: 463
[2020-09-25 00:01:11,923 INFO L226 Difference]: Without dead ends: 220
[2020-09-25 00:01:11,925 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-09-25 00:01:11,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states.
[2020-09-25 00:01:11,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220.
[2020-09-25 00:01:11,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states.
[2020-09-25 00:01:11,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 249 transitions.
[2020-09-25 00:01:11,933 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 249 transitions. Word has length 111
[2020-09-25 00:01:11,934 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:01:11,934 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 249 transitions.
[2020-09-25 00:01:11,934 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 00:01:11,934 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 249 transitions.
[2020-09-25 00:01:11,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113
[2020-09-25 00:01:11,936 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 00:01:11,936 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 00:01:11,936 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-09-25 00:01:11,936 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:01:11,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:01:11,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1519310599, now seen corresponding path program 1 times
[2020-09-25 00:01:11,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:01:11,937 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1446656485]
[2020-09-25 00:01:11,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:01:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:01:11,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:01:12,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:01:12,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119
[2020-09-25 00:01:12,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:01:12,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143
[2020-09-25 00:01:12,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:01:12,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3
[2020-09-25 00:01:12,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78
[2020-09-25 00:01:12,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40
[2020-09-25 00:01:12,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:01:12,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:01:12,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:01:12,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:01:12,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:01:12,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14
[2020-09-25 00:01:12,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:01:12,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 00:01:12,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST
[2020-09-25 00:01:12,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:01:12,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:01:12,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:01:12,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:01:12,208 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2020-09-25 00:01:12,208 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1446656485]
[2020-09-25 00:01:12,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:01:12,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 00:01:12,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457078110]
[2020-09-25 00:01:12,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 00:01:12,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:01:12,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 00:01:12,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-09-25 00:01:12,210 INFO L87 Difference]: Start difference. First operand 220 states and 249 transitions. Second operand 5 states.
[2020-09-25 00:01:12,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:01:12,663 INFO L93 Difference]: Finished difference Result 228 states and 257 transitions.
[2020-09-25 00:01:12,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-09-25 00:01:12,664 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 112
[2020-09-25 00:01:12,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:01:12,664 INFO L225 Difference]: With dead ends: 228
[2020-09-25 00:01:12,665 INFO L226 Difference]: Without dead ends: 0
[2020-09-25 00:01:12,666 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2020-09-25 00:01:12,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-09-25 00:01:12,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-09-25 00:01:12,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-09-25 00:01:12,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-09-25 00:01:12,668 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 112
[2020-09-25 00:01:12,668 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:01:12,668 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-09-25 00:01:12,669 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 00:01:12,669 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-09-25 00:01:12,669 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-09-25 00:01:12,669 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2020-09-25 00:01:12,672 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-09-25 00:01:12,927 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed.
[2020-09-25 00:01:12,928 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed.
[2020-09-25 00:01:12,928 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~m_connect_2~0 |old(~m_connect_2~0)|) (= ~m_connect_1~0 |old(~m_connect_1~0)|) (= ~m_flush~0 |old(~m_flush~0)|) (= ~m_PipedOutputStream~0 |old(~m_PipedOutputStream~0)|) (= ~m_write~0 |old(~m_write~0)|) (= ~m_close~0 |old(~m_close~0)|))
[2020-09-25 00:01:12,929 INFO L268 CegarLoopResult]: For program point L9(line 9) no Hoare annotation was computed.
[2020-09-25 00:01:12,929 INFO L268 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed.
[2020-09-25 00:01:12,929 INFO L268 CegarLoopResult]: For program point L7(line 7) no Hoare annotation was computed.
[2020-09-25 00:01:12,930 INFO L268 CegarLoopResult]: For program point L6(line 6) no Hoare annotation was computed.
[2020-09-25 00:01:12,930 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2020-09-25 00:01:12,930 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2020-09-25 00:01:12,930 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true
[2020-09-25 00:01:12,930 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2020-09-25 00:01:12,930 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2020-09-25 00:01:12,932 INFO L268 CegarLoopResult]: For program point L250(line 250) no Hoare annotation was computed.
[2020-09-25 00:01:12,933 INFO L268 CegarLoopResult]: For program point L250-1(line 250) no Hoare annotation was computed.
[2020-09-25 00:01:12,933 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 13 344) no Hoare annotation was computed.
[2020-09-25 00:01:12,933 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed.
[2020-09-25 00:01:12,933 INFO L268 CegarLoopResult]: For program point L118-1(line 118) no Hoare annotation was computed.
[2020-09-25 00:01:12,933 INFO L268 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed.
[2020-09-25 00:01:12,933 INFO L268 CegarLoopResult]: For program point L234(line 234) no Hoare annotation was computed.
[2020-09-25 00:01:12,934 INFO L268 CegarLoopResult]: For program point L234-1(line 234) no Hoare annotation was computed.
[2020-09-25 00:01:12,934 INFO L268 CegarLoopResult]: For program point L36(lines 36 47) no Hoare annotation was computed.
[2020-09-25 00:01:12,934 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed.
[2020-09-25 00:01:12,934 INFO L268 CegarLoopResult]: For program point L53(lines 53 104) no Hoare annotation was computed.
[2020-09-25 00:01:12,934 INFO L268 CegarLoopResult]: For program point L86-1(lines 86 101) no Hoare annotation was computed.
[2020-09-25 00:01:12,934 INFO L268 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed.
[2020-09-25 00:01:12,935 INFO L268 CegarLoopResult]: For program point L86-2(line 86) no Hoare annotation was computed.
[2020-09-25 00:01:12,938 INFO L268 CegarLoopResult]: For program point L86-3(line 86) no Hoare annotation was computed.
[2020-09-25 00:01:12,939 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed.
[2020-09-25 00:01:12,939 INFO L268 CegarLoopResult]: For program point L202-1(lines 202 217) no Hoare annotation was computed.
[2020-09-25 00:01:12,939 INFO L268 CegarLoopResult]: For program point L202-2(line 202) no Hoare annotation was computed.
[2020-09-25 00:01:12,939 INFO L268 CegarLoopResult]: For program point L202-3(line 202) no Hoare annotation was computed.
[2020-09-25 00:01:12,939 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed.
[2020-09-25 00:01:12,939 INFO L268 CegarLoopResult]: For program point L70-1(lines 70 85) no Hoare annotation was computed.
[2020-09-25 00:01:12,939 INFO L268 CegarLoopResult]: For program point L70-2(line 70) no Hoare annotation was computed.
[2020-09-25 00:01:12,940 INFO L268 CegarLoopResult]: For program point L70-3(line 70) no Hoare annotation was computed.
[2020-09-25 00:01:12,940 INFO L268 CegarLoopResult]: For program point L318(line 318) no Hoare annotation was computed.
[2020-09-25 00:01:12,940 INFO L268 CegarLoopResult]: For program point L318-1(lines 318 333) no Hoare annotation was computed.
[2020-09-25 00:01:12,940 INFO L268 CegarLoopResult]: For program point L318-2(line 318) no Hoare annotation was computed.
[2020-09-25 00:01:12,940 INFO L268 CegarLoopResult]: For program point L318-3(line 318) no Hoare annotation was computed.
[2020-09-25 00:01:12,940 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed.
[2020-09-25 00:01:12,940 INFO L268 CegarLoopResult]: For program point L186-1(lines 186 201) no Hoare annotation was computed.
[2020-09-25 00:01:12,941 INFO L268 CegarLoopResult]: For program point L186-2(line 186) no Hoare annotation was computed.
[2020-09-25 00:01:12,941 INFO L268 CegarLoopResult]: For program point L186-3(line 186) no Hoare annotation was computed.
[2020-09-25 00:01:12,941 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed.
[2020-09-25 00:01:12,941 INFO L268 CegarLoopResult]: For program point L54-1(lines 54 69) no Hoare annotation was computed.
[2020-09-25 00:01:12,941 INFO L268 CegarLoopResult]: For program point L54-2(line 54) no Hoare annotation was computed.
[2020-09-25 00:01:12,941 INFO L268 CegarLoopResult]: For program point L54-3(line 54) no Hoare annotation was computed.
[2020-09-25 00:01:12,942 INFO L264 CegarLoopResult]: At program point L335(lines 23 339) the Hoare annotation is: (let ((.cse0 (= main_~this_sink~0 0))) (or (and .cse0 (= main_~q~0 2)) (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) (and (<= main_~q~0 0) .cse0)))
[2020-09-25 00:01:12,942 INFO L268 CegarLoopResult]: For program point L302(line 302) no Hoare annotation was computed.
[2020-09-25 00:01:12,942 INFO L268 CegarLoopResult]: For program point L302-1(lines 302 317) no Hoare annotation was computed.
[2020-09-25 00:01:12,942 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 13 344) no Hoare annotation was computed.
[2020-09-25 00:01:12,942 INFO L268 CegarLoopResult]: For program point L302-2(line 302) no Hoare annotation was computed.
[2020-09-25 00:01:12,942 INFO L268 CegarLoopResult]: For program point L302-3(line 302) no Hoare annotation was computed.
[2020-09-25 00:01:12,946 INFO L268 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed.
[2020-09-25 00:01:12,947 INFO L268 CegarLoopResult]: For program point L170-1(lines 170 185) no Hoare annotation was computed.
[2020-09-25 00:01:12,948 INFO L268 CegarLoopResult]: For program point L170-2(line 170) no Hoare annotation was computed.
[2020-09-25 00:01:12,949 INFO L268 CegarLoopResult]: For program point L170-3(line 170) no Hoare annotation was computed.
[2020-09-25 00:01:12,949 INFO L268 CegarLoopResult]: For program point L286(line 286) no Hoare annotation was computed.
[2020-09-25 00:01:12,949 INFO L268 CegarLoopResult]: For program point L286-1(lines 286 301) no Hoare annotation was computed.
[2020-09-25 00:01:12,949 INFO L268 CegarLoopResult]: For program point L286-2(line 286) no Hoare annotation was computed.
[2020-09-25 00:01:12,949 INFO L268 CegarLoopResult]: For program point L286-3(line 286) no Hoare annotation was computed.
[2020-09-25 00:01:12,950 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed.
[2020-09-25 00:01:12,950 INFO L268 CegarLoopResult]: For program point L154-1(lines 154 169) no Hoare annotation was computed.
[2020-09-25 00:01:12,950 INFO L268 CegarLoopResult]: For program point L88(lines 88 99) no Hoare annotation was computed.
[2020-09-25 00:01:12,950 INFO L268 CegarLoopResult]: For program point L154-2(line 154) no Hoare annotation was computed.
[2020-09-25 00:01:12,952 INFO L268 CegarLoopResult]: For program point L154-3(line 154) no Hoare annotation was computed.
[2020-09-25 00:01:12,952 INFO L268 CegarLoopResult]: For program point L270(line 270) no Hoare annotation was computed.
[2020-09-25 00:01:12,952 INFO L268 CegarLoopResult]: For program point L270-1(lines 270 285) no Hoare annotation was computed.
[2020-09-25 00:01:12,959 INFO L268 CegarLoopResult]: For program point L204(lines 204 215) no Hoare annotation was computed.
[2020-09-25 00:01:12,959 INFO L268 CegarLoopResult]: For program point L270-2(line 270) no Hoare annotation was computed.
[2020-09-25 00:01:12,960 INFO L268 CegarLoopResult]: For program point L270-3(line 270) no Hoare annotation was computed.
[2020-09-25 00:01:12,960 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed.
[2020-09-25 00:01:12,960 INFO L268 CegarLoopResult]: For program point L105(lines 105 220) no Hoare annotation was computed.
[2020-09-25 00:01:12,960 INFO L268 CegarLoopResult]: For program point L138-1(lines 138 153) no Hoare annotation was computed.
[2020-09-25 00:01:12,960 INFO L268 CegarLoopResult]: For program point L72(lines 72 83) no Hoare annotation was computed.
[2020-09-25 00:01:12,961 INFO L268 CegarLoopResult]: For program point L138-2(line 138) no Hoare annotation was computed.
[2020-09-25 00:01:12,961 INFO L268 CegarLoopResult]: For program point L138-3(line 138) no Hoare annotation was computed.
[2020-09-25 00:01:12,961 INFO L268 CegarLoopResult]: For program point L320(lines 320 331) no Hoare annotation was computed.
[2020-09-25 00:01:12,961 INFO L268 CegarLoopResult]: For program point L254(line 254) no Hoare annotation was computed.
[2020-09-25 00:01:12,961 INFO L268 CegarLoopResult]: For program point L221(lines 221 336) no Hoare annotation was computed.
[2020-09-25 00:01:12,964 INFO L268 CegarLoopResult]: For program point L254-1(lines 254 269) no Hoare annotation was computed.
[2020-09-25 00:01:12,966 INFO L268 CegarLoopResult]: For program point L188(lines 188 199) no Hoare annotation was computed.
[2020-09-25 00:01:12,966 INFO L268 CegarLoopResult]: For program point L254-2(line 254) no Hoare annotation was computed.
[2020-09-25 00:01:12,967 INFO L268 CegarLoopResult]: For program point L254-3(line 254) no Hoare annotation was computed.
[2020-09-25 00:01:12,967 INFO L268 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed.
[2020-09-25 00:01:12,967 INFO L268 CegarLoopResult]: For program point L122-1(lines 122 137) no Hoare annotation was computed.
[2020-09-25 00:01:12,967 INFO L268 CegarLoopResult]: For program point L56(lines 56 67) no Hoare annotation was computed.
[2020-09-25 00:01:12,968 INFO L268 CegarLoopResult]: For program point L122-2(line 122) no Hoare annotation was computed.
[2020-09-25 00:01:12,968 INFO L268 CegarLoopResult]: For program point L122-3(line 122) no Hoare annotation was computed.
[2020-09-25 00:01:12,968 INFO L264 CegarLoopResult]: At program point L23-2(lines 23 339) the Hoare annotation is: (or (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) (and (<= main_~q~0 0) (= main_~this_sink~0 0)))
[2020-09-25 00:01:12,968 INFO L268 CegarLoopResult]: For program point L23-3(lines 23 339) no Hoare annotation was computed.
[2020-09-25 00:01:12,972 INFO L268 CegarLoopResult]: For program point L304(lines 304 315) no Hoare annotation was computed.
[2020-09-25 00:01:12,972 INFO L268 CegarLoopResult]: For program point L238(line 238) no Hoare annotation was computed.
[2020-09-25 00:01:12,972 INFO L268 CegarLoopResult]: For program point L238-1(lines 238 253) no Hoare annotation was computed.
[2020-09-25 00:01:12,972 INFO L268 CegarLoopResult]: For program point L172(lines 172 183) no Hoare annotation was computed.
[2020-09-25 00:01:12,973 INFO L268 CegarLoopResult]: For program point L238-2(line 238) no Hoare annotation was computed.
[2020-09-25 00:01:12,973 INFO L268 CegarLoopResult]: For program point L238-3(line 238) no Hoare annotation was computed.
[2020-09-25 00:01:12,973 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed.
[2020-09-25 00:01:12,973 INFO L268 CegarLoopResult]: For program point L106-1(lines 106 121) no Hoare annotation was computed.
[2020-09-25 00:01:12,974 INFO L268 CegarLoopResult]: For program point L40(lines 40 42) no Hoare annotation was computed.
[2020-09-25 00:01:12,974 INFO L268 CegarLoopResult]: For program point L106-2(line 106) no Hoare annotation was computed.
[2020-09-25 00:01:12,974 INFO L268 CegarLoopResult]: For program point L106-3(line 106) no Hoare annotation was computed.
[2020-09-25 00:01:12,974 INFO L268 CegarLoopResult]: For program point L288(lines 288 299) no Hoare annotation was computed.
[2020-09-25 00:01:12,974 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed.
[2020-09-25 00:01:12,978 INFO L268 CegarLoopResult]: For program point L222-1(lines 222 237) no Hoare annotation was computed.
[2020-09-25 00:01:12,978 INFO L268 CegarLoopResult]: For program point L156(lines 156 167) no Hoare annotation was computed.
[2020-09-25 00:01:12,978 INFO L268 CegarLoopResult]: For program point L222-2(line 222) no Hoare annotation was computed.
[2020-09-25 00:01:12,979 INFO L268 CegarLoopResult]: For program point L222-3(line 222) no Hoare annotation was computed.
[2020-09-25 00:01:12,979 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed.
[2020-09-25 00:01:12,979 INFO L268 CegarLoopResult]: For program point L272(lines 272 283) no Hoare annotation was computed.
[2020-09-25 00:01:12,979 INFO L268 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed.
[2020-09-25 00:01:12,979 INFO L268 CegarLoopResult]: For program point L140(lines 140 151) no Hoare annotation was computed.
[2020-09-25 00:01:12,980 INFO L268 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed.
[2020-09-25 00:01:12,980 INFO L268 CegarLoopResult]: For program point L322(line 322) no Hoare annotation was computed.
[2020-09-25 00:01:12,980 INFO L268 CegarLoopResult]: For program point L256(lines 256 267) no Hoare annotation was computed.
[2020-09-25 00:01:12,980 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed.
[2020-09-25 00:01:12,980 INFO L268 CegarLoopResult]: For program point L124(lines 124 135) no Hoare annotation was computed.
[2020-09-25 00:01:12,981 INFO L268 CegarLoopResult]: For program point L306(line 306) no Hoare annotation was computed.
[2020-09-25 00:01:12,981 INFO L268 CegarLoopResult]: For program point L240(lines 240 251) no Hoare annotation was computed.
[2020-09-25 00:01:12,981 INFO L268 CegarLoopResult]: For program point L108(lines 108 119) no Hoare annotation was computed.
[2020-09-25 00:01:12,981 INFO L268 CegarLoopResult]: For program point L224(lines 224 235) no Hoare annotation was computed.
[2020-09-25 00:01:12,982 INFO L268 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed.
[2020-09-25 00:01:12,982 INFO L268 CegarLoopResult]: For program point L92(lines 92 94) no Hoare annotation was computed.
[2020-09-25 00:01:12,982 INFO L268 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed.
[2020-09-25 00:01:12,982 INFO L268 CegarLoopResult]: For program point L26-1(line 26) no Hoare annotation was computed.
[2020-09-25 00:01:12,982 INFO L268 CegarLoopResult]: For program point L26-2(line 26) no Hoare annotation was computed.
[2020-09-25 00:01:12,984 INFO L268 CegarLoopResult]: For program point L274(line 274) no Hoare annotation was computed.
[2020-09-25 00:01:12,984 INFO L268 CegarLoopResult]: For program point L208(lines 208 210) no Hoare annotation was computed.
[2020-09-25 00:01:12,984 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed.
[2020-09-25 00:01:12,984 INFO L268 CegarLoopResult]: For program point L76(lines 76 78) no Hoare annotation was computed.
[2020-09-25 00:01:12,985 INFO L268 CegarLoopResult]: For program point L324(lines 324 326) no Hoare annotation was computed.
[2020-09-25 00:01:12,985 INFO L268 CegarLoopResult]: For program point L258(line 258) no Hoare annotation was computed.
[2020-09-25 00:01:12,985 INFO L268 CegarLoopResult]: For program point L192(lines 192 194) no Hoare annotation was computed.
[2020-09-25 00:01:12,985 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed.
[2020-09-25 00:01:12,985 INFO L268 CegarLoopResult]: For program point L60(lines 60 62) no Hoare annotation was computed.
[2020-09-25 00:01:12,987 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed.
[2020-09-25 00:01:12,987 INFO L268 CegarLoopResult]: For program point L27-1(line 27) no Hoare annotation was computed.
[2020-09-25 00:01:12,987 INFO L268 CegarLoopResult]: For program point L27-2(line 27) no Hoare annotation was computed.
[2020-09-25 00:01:12,987 INFO L268 CegarLoopResult]: For program point L308(lines 308 310) no Hoare annotation was computed.
[2020-09-25 00:01:12,988 INFO L268 CegarLoopResult]: For program point L242(line 242) no Hoare annotation was computed.
[2020-09-25 00:01:12,988 INFO L268 CegarLoopResult]: For program point L176(lines 176 178) no Hoare annotation was computed.
[2020-09-25 00:01:12,989 INFO L268 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed.
[2020-09-25 00:01:12,989 INFO L268 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed.
[2020-09-25 00:01:12,989 INFO L264 CegarLoopResult]: At program point L325(lines 13 344) the Hoare annotation is: false
[2020-09-25 00:01:12,989 INFO L268 CegarLoopResult]: For program point L292(lines 292 294) no Hoare annotation was computed.
[2020-09-25 00:01:12,990 INFO L268 CegarLoopResult]: For program point L226(line 226) no Hoare annotation was computed.
[2020-09-25 00:01:12,990 INFO L268 CegarLoopResult]: For program point L160(lines 160 162) no Hoare annotation was computed.
[2020-09-25 00:01:12,990 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed.
[2020-09-25 00:01:12,990 INFO L268 CegarLoopResult]: For program point L28-1(line 28) no Hoare annotation was computed.
[2020-09-25 00:01:12,991 INFO L268 CegarLoopResult]: For program point L28-2(line 28) no Hoare annotation was computed.
[2020-09-25 00:01:12,991 INFO L268 CegarLoopResult]: For program point L276(lines 276 278) no Hoare annotation was computed.
[2020-09-25 00:01:12,991 INFO L268 CegarLoopResult]: For program point L144(lines 144 146) no Hoare annotation was computed.
[2020-09-25 00:01:12,991 INFO L268 CegarLoopResult]: For program point L260(lines 260 262) no Hoare annotation was computed.
[2020-09-25 00:01:12,991 INFO L268 CegarLoopResult]: For program point L128(lines 128 130) no Hoare annotation was computed.
[2020-09-25 00:01:12,992 INFO L268 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed.
[2020-09-25 00:01:12,992 INFO L268 CegarLoopResult]: For program point L29-1(line 29) no Hoare annotation was computed.
[2020-09-25 00:01:12,992 INFO L268 CegarLoopResult]: For program point L29-2(line 29) no Hoare annotation was computed.
[2020-09-25 00:01:12,992 INFO L268 CegarLoopResult]: For program point L244(lines 244 246) no Hoare annotation was computed.
[2020-09-25 00:01:12,992 INFO L268 CegarLoopResult]: For program point L112(lines 112 114) no Hoare annotation was computed.
[2020-09-25 00:01:12,993 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed.
[2020-09-25 00:01:12,993 INFO L268 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed.
[2020-09-25 00:01:12,993 INFO L268 CegarLoopResult]: For program point L228(lines 228 230) no Hoare annotation was computed.
[2020-09-25 00:01:12,993 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed.
[2020-09-25 00:01:12,994 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 343) no Hoare annotation was computed.
[2020-09-25 00:01:12,994 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 13 344) the Hoare annotation is: true
[2020-09-25 00:01:12,994 INFO L268 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed.
[2020-09-25 00:01:12,994 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed.
[2020-09-25 00:01:12,994 INFO L268 CegarLoopResult]: For program point L328(line 328) no Hoare annotation was computed.
[2020-09-25 00:01:12,995 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed.
[2020-09-25 00:01:12,995 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed.
[2020-09-25 00:01:12,995 INFO L268 CegarLoopResult]: For program point L312(line 312) no Hoare annotation was computed.
[2020-09-25 00:01:12,995 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed.
[2020-09-25 00:01:12,995 INFO L268 CegarLoopResult]: For program point L296(line 296) no Hoare annotation was computed.
[2020-09-25 00:01:12,995 INFO L268 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed.
[2020-09-25 00:01:12,996 INFO L268 CegarLoopResult]: For program point L280(line 280) no Hoare annotation was computed.
[2020-09-25 00:01:12,996 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed.
[2020-09-25 00:01:12,996 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed.
[2020-09-25 00:01:12,996 INFO L268 CegarLoopResult]: For program point L264(line 264) no Hoare annotation was computed.
[2020-09-25 00:01:12,996 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed.
[2020-09-25 00:01:12,997 INFO L268 CegarLoopResult]: For program point L198-1(line 198) no Hoare annotation was computed.
[2020-09-25 00:01:12,997 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed.
[2020-09-25 00:01:12,997 INFO L268 CegarLoopResult]: For program point L33(lines 33 52) no Hoare annotation was computed.
[2020-09-25 00:01:12,997 INFO L268 CegarLoopResult]: For program point L248(line 248) no Hoare annotation was computed.
[2020-09-25 00:01:12,997 INFO L268 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed.
[2020-09-25 00:01:12,998 INFO L268 CegarLoopResult]: For program point L298(line 298) no Hoare annotation was computed.
[2020-09-25 00:01:12,998 INFO L268 CegarLoopResult]: For program point L298-1(line 298) no Hoare annotation was computed.
[2020-09-25 00:01:12,998 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed.
[2020-09-25 00:01:12,998 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed.
[2020-09-25 00:01:12,998 INFO L268 CegarLoopResult]: For program point L166-1(line 166) no Hoare annotation was computed.
[2020-09-25 00:01:12,998 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed.
[2020-09-25 00:01:12,999 INFO L268 CegarLoopResult]: For program point L34-1(lines 34 49) no Hoare annotation was computed.
[2020-09-25 00:01:12,999 INFO L268 CegarLoopResult]: For program point L34-2(line 34) no Hoare annotation was computed.
[2020-09-25 00:01:12,999 INFO L268 CegarLoopResult]: For program point L34-3(line 34) no Hoare annotation was computed.
[2020-09-25 00:01:12,999 INFO L268 CegarLoopResult]: For program point L282(line 282) no Hoare annotation was computed.
[2020-09-25 00:01:13,000 INFO L268 CegarLoopResult]: For program point L282-1(line 282) no Hoare annotation was computed.
[2020-09-25 00:01:13,000 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed.
[2020-09-25 00:01:13,002 INFO L268 CegarLoopResult]: For program point L150-1(line 150) no Hoare annotation was computed.
[2020-09-25 00:01:13,002 INFO L268 CegarLoopResult]: For program point L266(line 266) no Hoare annotation was computed.
[2020-09-25 00:01:13,002 INFO L268 CegarLoopResult]: For program point L266-1(line 266) no Hoare annotation was computed.
[2020-09-25 00:01:13,002 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed.
[2020-09-25 00:01:13,003 INFO L268 CegarLoopResult]: For program point L134-1(line 134) no Hoare annotation was computed.
[2020-09-25 00:01:13,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 12:01:13 BoogieIcfgContainer
[2020-09-25 00:01:13,039 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 00:01:13,044 INFO L168 Benchmark]: Toolchain (without parser) took 5853.92 ms. Allocated memory was 140.0 MB in the beginning and 289.4 MB in the end (delta: 149.4 MB). Free memory was 102.5 MB in the beginning and 163.5 MB in the end (delta: -60.9 MB). Peak memory consumption was 88.5 MB. Max. memory is 7.1 GB.
[2020-09-25 00:01:13,052 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-09-25 00:01:13,054 INFO L168 Benchmark]: CACSL2BoogieTranslator took 461.41 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 101.9 MB in the beginning and 182.1 MB in the end (delta: -80.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB.
[2020-09-25 00:01:13,057 INFO L168 Benchmark]: Boogie Preprocessor took 53.05 ms. Allocated memory is still 203.4 MB. Free memory was 182.1 MB in the beginning and 179.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB.
[2020-09-25 00:01:13,058 INFO L168 Benchmark]: RCFGBuilder took 749.14 ms. Allocated memory is still 203.4 MB. Free memory was 179.8 MB in the beginning and 143.0 MB in the end (delta: 36.7 MB). Peak memory consumption was 36.7 MB. Max. memory is 7.1 GB.
[2020-09-25 00:01:13,060 INFO L168 Benchmark]: TraceAbstraction took 4579.06 ms. Allocated memory was 203.4 MB in the beginning and 289.4 MB in the end (delta: 86.0 MB). Free memory was 143.0 MB in the beginning and 163.5 MB in the end (delta: -20.4 MB). Peak memory consumption was 65.6 MB. Max. memory is 7.1 GB.
[2020-09-25 00:01:13,071 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 461.41 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 101.9 MB in the beginning and 182.1 MB in the end (delta: -80.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 53.05 ms. Allocated memory is still 203.4 MB. Free memory was 182.1 MB in the beginning and 179.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 749.14 ms. Allocated memory is still 203.4 MB. Free memory was 179.8 MB in the beginning and 143.0 MB in the end (delta: 36.7 MB). Peak memory consumption was 36.7 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 4579.06 ms. Allocated memory was 203.4 MB in the beginning and 289.4 MB in the end (delta: 86.0 MB). Free memory was 143.0 MB in the beginning and 163.5 MB in the end (delta: -20.4 MB). Peak memory consumption was 65.6 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 343]: 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: 23]: Loop Invariant
Derived loop invariant: ((this_sink == 0 && q == 2) || (3 <= q && (this_sink + 1 <= 0 || 1 <= this_sink))) || (q <= 0 && this_sink == 0)
- InvariantResult [Line: 13]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 23]: Loop Invariant
Derived loop invariant: (3 <= q && (this_sink + 1 <= 0 || 1 <= this_sink)) || (q <= 0 && this_sink == 0)
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 201 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.1s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1259 SDtfs, 1677 SDslu, 85 SDs, 0 SdLazy, 819 SolverSat, 48 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=284occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 14 NumberOfFragments, 72 HoareAnnotationTreeSize, 7 FomulaSimplifications, 80 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 117 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 495 NumberOfCodeBlocks, 495 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 488 ConstructedInterpolants, 0 QuantifiedInterpolants, 97952 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 144/144 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...