/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_1a.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-25 11:10:39,532 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 11:10:39,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 11:10:39,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 11:10:39,565 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 11:10:39,567 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 11:10:39,568 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 11:10:39,570 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 11:10:39,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 11:10:39,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 11:10:39,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 11:10:39,575 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 11:10:39,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 11:10:39,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 11:10:39,578 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 11:10:39,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 11:10:39,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 11:10:39,581 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 11:10:39,583 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 11:10:39,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 11:10:39,587 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 11:10:39,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 11:10:39,590 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 11:10:39,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 11:10:39,593 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 11:10:39,594 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 11:10:39,594 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 11:10:39,595 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 11:10:39,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 11:10:39,597 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 11:10:39,597 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 11:10:39,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 11:10:39,602 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 11:10:39,603 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 11:10:39,604 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 11:10:39,604 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 11:10:39,605 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 11:10:39,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 11:10:39,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 11:10:39,606 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 11:10:39,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 11:10:39,608 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 11:10:39,636 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 11:10:39,636 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 11:10:39,637 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 11:10:39,638 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 11:10:39,638 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 11:10:39,638 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 11:10:39,638 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 11:10:39,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 11:10:39,639 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 11:10:39,639 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 11:10:39,639 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 11:10:39,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 11:10:39,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 11:10:39,640 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 11:10:39,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 11:10:39,640 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 11:10:39,640 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 11:10:39,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 11:10:39,641 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 11:10:39,641 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 11:10:39,641 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 11:10:39,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 11:10:39,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 11:10:39,642 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 11:10:39,642 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 11:10:39,642 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 11:10:39,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 11:10:39,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 11:10:39,643 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 11:10:39,643 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;
[2020-09-25 11:10:40,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 11:10:40,177 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 11:10:40,181 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 11:10:40,183 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 11:10:40,184 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 11:10:40,185 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_1a.cil.c
[2020-09-25 11:10:40,265 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f79e81e73/e1ffe27b53d64bb29d6616f770dd1454/FLAGe29f4c6cc
[2020-09-25 11:10:40,807 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 11:10:40,808 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_srvr_1a.cil.c
[2020-09-25 11:10:40,818 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f79e81e73/e1ffe27b53d64bb29d6616f770dd1454/FLAGe29f4c6cc
[2020-09-25 11:10:41,151 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f79e81e73/e1ffe27b53d64bb29d6616f770dd1454
[2020-09-25 11:10:41,165 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 11:10:41,170 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 11:10:41,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 11:10:41,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 11:10:41,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 11:10:41,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:10:41" (1/1) ...
[2020-09-25 11:10:41,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4815436f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:41, skipping insertion in model container
[2020-09-25 11:10:41,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:10:41" (1/1) ...
[2020-09-25 11:10:41,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 11:10:41,238 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 11:10:41,601 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 11:10:41,608 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 11:10:41,663 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 11:10:41,774 INFO L208 MainTranslator]: Completed translation
[2020-09-25 11:10:41,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:41 WrapperNode
[2020-09-25 11:10:41,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 11:10:41,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 11:10:41,777 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 11:10:41,777 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 11:10:41,795 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:41" (1/1) ...
[2020-09-25 11:10:41,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:41" (1/1) ...
[2020-09-25 11:10:41,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:41" (1/1) ...
[2020-09-25 11:10:41,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:41" (1/1) ...
[2020-09-25 11:10:41,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:41" (1/1) ...
[2020-09-25 11:10:41,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:41" (1/1) ...
[2020-09-25 11:10:41,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:41" (1/1) ...
[2020-09-25 11:10:41,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 11:10:41,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 11:10:41,825 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 11:10:41,826 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 11:10:41,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:41" (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 11:10:41,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 11:10:41,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 11:10:41,920 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 11:10:41,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 11:10:41,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char
[2020-09-25 11:10:41,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 11:10:41,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long
[2020-09-25 11:10:41,921 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 11:10:41,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 11:10:41,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 11:10:42,309 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 11:10:42,309 INFO L295 CfgBuilder]: Removed 1 assume(true) statements.
[2020-09-25 11:10:42,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:10:42 BoogieIcfgContainer
[2020-09-25 11:10:42,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 11:10:42,317 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 11:10:42,317 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 11:10:42,321 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 11:10:42,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:10:41" (1/3) ...
[2020-09-25 11:10:42,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@196b15b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:10:42, skipping insertion in model container
[2020-09-25 11:10:42,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:41" (2/3) ...
[2020-09-25 11:10:42,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@196b15b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:10:42, skipping insertion in model container
[2020-09-25 11:10:42,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:10:42" (3/3) ...
[2020-09-25 11:10:42,326 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr_1a.cil.c
[2020-09-25 11:10:42,339 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 11:10:42,350 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 11:10:42,378 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 11:10:42,419 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 11:10:42,419 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 11:10:42,419 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 11:10:42,419 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 11:10:42,419 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 11:10:42,420 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 11:10:42,420 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 11:10:42,420 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 11:10:42,446 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states.
[2020-09-25 11:10:42,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2020-09-25 11:10:42,453 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 11:10:42,455 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]
[2020-09-25 11:10:42,455 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 11:10:42,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 11:10:42,462 INFO L82 PathProgramCache]: Analyzing trace with hash 766781838, now seen corresponding path program 1 times
[2020-09-25 11:10:42,473 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 11:10:42,474 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [473419598]
[2020-09-25 11:10:42,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 11:10:42,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:10:42,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:42,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:10:42,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33
[2020-09-25 11:10:42,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:10:42,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79
[2020-09-25 11:10:42,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:10:42,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:10:42,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:10:42,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29
[2020-09-25 11:10:42,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-25 11:10:42,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4
[2020-09-25 11:10:42,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 11:10:42,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:10:42,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:42,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:10:42,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:10:42,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:10:42,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 11:10:42,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:10:42,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:10:42,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:10:42,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:10:42,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:10:42,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:10:42,795 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 11:10:42,796 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [473419598]
[2020-09-25 11:10:42,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 11:10:42,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 11:10:42,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714475299]
[2020-09-25 11:10:42,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 11:10:42,807 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 11:10:42,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 11:10:42,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 11:10:42,831 INFO L87 Difference]: Start difference. First operand 85 states. Second operand 3 states.
[2020-09-25 11:10:43,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 11:10:43,009 INFO L93 Difference]: Finished difference Result 198 states and 286 transitions.
[2020-09-25 11:10:43,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 11:10:43,011 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26
[2020-09-25 11:10:43,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 11:10:43,032 INFO L225 Difference]: With dead ends: 198
[2020-09-25 11:10:43,033 INFO L226 Difference]: Without dead ends: 128
[2020-09-25 11:10:43,038 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 11:10:43,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states.
[2020-09-25 11:10:43,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128.
[2020-09-25 11:10:43,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states.
[2020-09-25 11:10:43,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 171 transitions.
[2020-09-25 11:10:43,098 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 171 transitions. Word has length 26
[2020-09-25 11:10:43,098 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 11:10:43,098 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 171 transitions.
[2020-09-25 11:10:43,099 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 11:10:43,099 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 171 transitions.
[2020-09-25 11:10:43,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33
[2020-09-25 11:10:43,100 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 11:10:43,101 INFO L422 BasicCegarLoop]: trace histogram [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]
[2020-09-25 11:10:43,101 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 11:10:43,101 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 11:10:43,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 11:10:43,102 INFO L82 PathProgramCache]: Analyzing trace with hash -184994456, now seen corresponding path program 1 times
[2020-09-25 11:10:43,102 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 11:10:43,103 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1749908075]
[2020-09-25 11:10:43,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 11:10:43,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:10:43,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:43,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:10:43,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39
[2020-09-25 11:10:43,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:10:43,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71
[2020-09-25 11:10:43,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:10:43,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:10:43,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:10:43,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34
[2020-09-25 11:10:43,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 11:10:43,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:10:43,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 11:10:43,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:10:43,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:43,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:10:43,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:10:43,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:10:43,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 11:10:43,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:10:43,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:10:43,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:10:43,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:10:43,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:10:43,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:10:43,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 11:10:43,228 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1749908075]
[2020-09-25 11:10:43,230 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 11:10:43,230 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 11:10:43,231 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968901119]
[2020-09-25 11:10:43,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 11:10:43,238 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 11:10:43,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 11:10:43,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 11:10:43,239 INFO L87 Difference]: Start difference. First operand 128 states and 171 transitions. Second operand 3 states.
[2020-09-25 11:10:43,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 11:10:43,368 INFO L93 Difference]: Finished difference Result 233 states and 325 transitions.
[2020-09-25 11:10:43,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 11:10:43,369 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32
[2020-09-25 11:10:43,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 11:10:43,372 INFO L225 Difference]: With dead ends: 233
[2020-09-25 11:10:43,373 INFO L226 Difference]: Without dead ends: 177
[2020-09-25 11:10:43,374 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 11:10:43,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states.
[2020-09-25 11:10:43,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177.
[2020-09-25 11:10:43,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states.
[2020-09-25 11:10:43,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 240 transitions.
[2020-09-25 11:10:43,398 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 240 transitions. Word has length 32
[2020-09-25 11:10:43,399 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 11:10:43,399 INFO L479 AbstractCegarLoop]: Abstraction has 177 states and 240 transitions.
[2020-09-25 11:10:43,399 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 11:10:43,399 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 240 transitions.
[2020-09-25 11:10:43,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2020-09-25 11:10:43,401 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 11:10:43,402 INFO L422 BasicCegarLoop]: trace histogram [3, 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]
[2020-09-25 11:10:43,402 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 11:10:43,402 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 11:10:43,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 11:10:43,403 INFO L82 PathProgramCache]: Analyzing trace with hash -1532764802, now seen corresponding path program 1 times
[2020-09-25 11:10:43,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 11:10:43,404 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1915595006]
[2020-09-25 11:10:43,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 11:10:43,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:10:43,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:43,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:43,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:10:43,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47
[2020-09-25 11:10:43,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 11:10:43,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155
[2020-09-25 11:10:43,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:10:43,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:10:43,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:10:43,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41
[2020-09-25 11:10:43,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5
[2020-09-25 11:10:43,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5
[2020-09-25 11:10:43,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 11:10:43,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:10:43,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:43,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:10:43,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:10:43,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:10:43,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 11:10:43,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:10:43,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:10:43,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:10:43,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:10:43,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:10:43,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:10:43,638 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2020-09-25 11:10:43,639 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1915595006]
[2020-09-25 11:10:43,639 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 11:10:43,639 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 11:10:43,639 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2884402]
[2020-09-25 11:10:43,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 11:10:43,640 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 11:10:43,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 11:10:43,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 11:10:43,641 INFO L87 Difference]: Start difference. First operand 177 states and 240 transitions. Second operand 3 states.
[2020-09-25 11:10:43,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 11:10:43,743 INFO L93 Difference]: Finished difference Result 331 states and 463 transitions.
[2020-09-25 11:10:43,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 11:10:43,744 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40
[2020-09-25 11:10:43,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 11:10:43,747 INFO L225 Difference]: With dead ends: 331
[2020-09-25 11:10:43,747 INFO L226 Difference]: Without dead ends: 226
[2020-09-25 11:10:43,748 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 11:10:43,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states.
[2020-09-25 11:10:43,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226.
[2020-09-25 11:10:43,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states.
[2020-09-25 11:10:43,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 310 transitions.
[2020-09-25 11:10:43,773 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 310 transitions. Word has length 40
[2020-09-25 11:10:43,773 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 11:10:43,774 INFO L479 AbstractCegarLoop]: Abstraction has 226 states and 310 transitions.
[2020-09-25 11:10:43,774 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 11:10:43,774 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 310 transitions.
[2020-09-25 11:10:43,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57
[2020-09-25 11:10:43,777 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 11:10:43,777 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 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]
[2020-09-25 11:10:43,777 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 11:10:43,778 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 11:10:43,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 11:10:43,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1263446161, now seen corresponding path program 1 times
[2020-09-25 11:10:43,778 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 11:10:43,779 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [356721680]
[2020-09-25 11:10:43,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 11:10:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:10:43,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:43,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:10:43,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63
[2020-09-25 11:10:43,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:10:43,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63
[2020-09-25 11:10:43,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:10:43,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:10:43,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:10:43,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59
[2020-09-25 11:10:43,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-25 11:10:43,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:10:43,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 11:10:43,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:10:43,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:43,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:10:43,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:10:43,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:10:43,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 11:10:43,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:10:43,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:10:43,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:10:43,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:10:43,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:10:43,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:10:43,900 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2020-09-25 11:10:43,900 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [356721680]
[2020-09-25 11:10:43,900 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 11:10:43,901 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 11:10:43,901 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934057821]
[2020-09-25 11:10:43,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 11:10:43,902 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 11:10:43,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 11:10:43,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 11:10:43,903 INFO L87 Difference]: Start difference. First operand 226 states and 310 transitions. Second operand 3 states.
[2020-09-25 11:10:44,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 11:10:44,046 INFO L93 Difference]: Finished difference Result 487 states and 699 transitions.
[2020-09-25 11:10:44,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 11:10:44,046 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56
[2020-09-25 11:10:44,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 11:10:44,049 INFO L225 Difference]: With dead ends: 487
[2020-09-25 11:10:44,049 INFO L226 Difference]: Without dead ends: 284
[2020-09-25 11:10:44,051 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 11:10:44,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states.
[2020-09-25 11:10:44,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 278.
[2020-09-25 11:10:44,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states.
[2020-09-25 11:10:44,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 362 transitions.
[2020-09-25 11:10:44,073 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 362 transitions. Word has length 56
[2020-09-25 11:10:44,074 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 11:10:44,074 INFO L479 AbstractCegarLoop]: Abstraction has 278 states and 362 transitions.
[2020-09-25 11:10:44,074 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 11:10:44,074 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 362 transitions.
[2020-09-25 11:10:44,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71
[2020-09-25 11:10:44,078 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 11:10:44,078 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 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]
[2020-09-25 11:10:44,079 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 11:10:44,079 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 11:10:44,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 11:10:44,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1348776400, now seen corresponding path program 1 times
[2020-09-25 11:10:44,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 11:10:44,080 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [85615964]
[2020-09-25 11:10:44,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 11:10:44,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:10:44,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:44,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:10:44,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77
[2020-09-25 11:10:44,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:10:44,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65
[2020-09-25 11:10:44,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:10:44,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:10:44,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:10:44,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58
[2020-09-25 11:10:44,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18
[2020-09-25 11:10:44,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 11:10:44,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 11:10:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:10:44,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:44,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:10:44,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:10:44,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:10:44,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 11:10:44,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:10:44,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:10:44,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:10:44,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:10:44,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:10:44,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:10:44,214 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2020-09-25 11:10:44,214 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [85615964]
[2020-09-25 11:10:44,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 11:10:44,215 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 11:10:44,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282002520]
[2020-09-25 11:10:44,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 11:10:44,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 11:10:44,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 11:10:44,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 11:10:44,216 INFO L87 Difference]: Start difference. First operand 278 states and 362 transitions. Second operand 3 states.
[2020-09-25 11:10:44,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 11:10:44,283 INFO L93 Difference]: Finished difference Result 535 states and 708 transitions.
[2020-09-25 11:10:44,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 11:10:44,284 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70
[2020-09-25 11:10:44,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 11:10:44,286 INFO L225 Difference]: With dead ends: 535
[2020-09-25 11:10:44,287 INFO L226 Difference]: Without dead ends: 342
[2020-09-25 11:10:44,288 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 11:10:44,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states.
[2020-09-25 11:10:44,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 340.
[2020-09-25 11:10:44,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states.
[2020-09-25 11:10:44,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 447 transitions.
[2020-09-25 11:10:44,308 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 447 transitions. Word has length 70
[2020-09-25 11:10:44,309 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 11:10:44,309 INFO L479 AbstractCegarLoop]: Abstraction has 340 states and 447 transitions.
[2020-09-25 11:10:44,309 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 11:10:44,309 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 447 transitions.
[2020-09-25 11:10:44,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75
[2020-09-25 11:10:44,313 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 11:10:44,314 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 3, 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]
[2020-09-25 11:10:44,314 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-25 11:10:44,314 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 11:10:44,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 11:10:44,315 INFO L82 PathProgramCache]: Analyzing trace with hash 1264034378, now seen corresponding path program 1 times
[2020-09-25 11:10:44,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 11:10:44,315 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1361122369]
[2020-09-25 11:10:44,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 11:10:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:10:44,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:44,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:10:44,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81
[2020-09-25 11:10:44,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:10:44,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64
[2020-09-25 11:10:44,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:10:44,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:10:44,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:10:44,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77
[2020-09-25 11:10:44,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-25 11:10:44,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:10:44,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 11:10:44,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:10:44,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:44,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:10:44,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:10:44,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:10:44,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 11:10:44,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:10:44,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:10:44,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:10:44,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:10:44,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:10:44,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:10:44,435 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2020-09-25 11:10:44,436 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1361122369]
[2020-09-25 11:10:44,436 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 11:10:44,437 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 11:10:44,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903597606]
[2020-09-25 11:10:44,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 11:10:44,438 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 11:10:44,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 11:10:44,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 11:10:44,439 INFO L87 Difference]: Start difference. First operand 340 states and 447 transitions. Second operand 3 states.
[2020-09-25 11:10:44,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 11:10:44,555 INFO L93 Difference]: Finished difference Result 647 states and 876 transitions.
[2020-09-25 11:10:44,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 11:10:44,556 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74
[2020-09-25 11:10:44,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 11:10:44,558 INFO L225 Difference]: With dead ends: 647
[2020-09-25 11:10:44,558 INFO L226 Difference]: Without dead ends: 246
[2020-09-25 11:10:44,560 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 11:10:44,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states.
[2020-09-25 11:10:44,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 243.
[2020-09-25 11:10:44,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states.
[2020-09-25 11:10:44,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 302 transitions.
[2020-09-25 11:10:44,573 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 302 transitions. Word has length 74
[2020-09-25 11:10:44,574 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 11:10:44,574 INFO L479 AbstractCegarLoop]: Abstraction has 243 states and 302 transitions.
[2020-09-25 11:10:44,574 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 11:10:44,574 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 302 transitions.
[2020-09-25 11:10:44,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105
[2020-09-25 11:10:44,578 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 11:10:44,578 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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 11:10:44,579 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-09-25 11:10:44,579 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 11:10:44,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 11:10:44,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1725408203, now seen corresponding path program 1 times
[2020-09-25 11:10:44,580 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 11:10:44,580 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [123971231]
[2020-09-25 11:10:44,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 11:10:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:10:44,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:44,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:44,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:44,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:44,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:44,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:45,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:10:45,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111
[2020-09-25 11:10:45,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6
[2020-09-25 11:10:45,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 433
[2020-09-25 11:10:45,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:10:45,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:10:45,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 11:10:45,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42
[2020-09-25 11:10:45,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51
[2020-09-25 11:10:45,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:10:45,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 11:10:45,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 11:10:45,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 11:10:45,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 11:10:45,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 11:10:45,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 11:10:45,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 11:10:45,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 11:10:45,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 11:10:45,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 11:10:45,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 11:10:45,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 11:10:45,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 11:10:45,095 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.
[2020-09-25 11:10:45,096 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [123971231]
[2020-09-25 11:10:45,096 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 11:10:45,096 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 11:10:45,096 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726631316]
[2020-09-25 11:10:45,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 11:10:45,097 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 11:10:45,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 11:10:45,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 11:10:45,098 INFO L87 Difference]: Start difference. First operand 243 states and 302 transitions. Second operand 3 states.
[2020-09-25 11:10:45,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 11:10:45,113 INFO L93 Difference]: Finished difference Result 370 states and 439 transitions.
[2020-09-25 11:10:45,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 11:10:45,114 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104
[2020-09-25 11:10:45,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 11:10:45,114 INFO L225 Difference]: With dead ends: 370
[2020-09-25 11:10:45,115 INFO L226 Difference]: Without dead ends: 0
[2020-09-25 11:10:45,116 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 11:10:45,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-09-25 11:10:45,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-09-25 11:10:45,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-09-25 11:10:45,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-09-25 11:10:45,117 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 104
[2020-09-25 11:10:45,117 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 11:10:45,117 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-09-25 11:10:45,117 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 11:10:45,117 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-09-25 11:10:45,118 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-09-25 11:10:45,118 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2020-09-25 11:10:45,121 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-09-25 11:10:45,442 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true
[2020-09-25 11:10:45,443 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2020-09-25 11:10:45,443 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2020-09-25 11:10:45,443 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true
[2020-09-25 11:10:45,443 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2020-09-25 11:10:45,444 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2020-09-25 11:10:45,444 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 8 217) no Hoare annotation was computed.
[2020-09-25 11:10:45,444 INFO L268 CegarLoopResult]: For program point L151-1(lines 74 183) no Hoare annotation was computed.
[2020-09-25 11:10:45,444 INFO L268 CegarLoopResult]: For program point L52(lines 52 193) no Hoare annotation was computed.
[2020-09-25 11:10:45,445 INFO L268 CegarLoopResult]: For program point L85-1(lines 74 183) no Hoare annotation was computed.
[2020-09-25 11:10:45,445 INFO L268 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed.
[2020-09-25 11:10:45,445 INFO L268 CegarLoopResult]: For program point L135(lines 135 139) no Hoare annotation was computed.
[2020-09-25 11:10:45,445 INFO L264 CegarLoopResult]: At program point L69(lines 68 185) the Hoare annotation is: (let ((.cse0 (<= 8640 main_~s__state~0))) (or (and .cse0 (<= main_~blastFlag~0 2)) (and .cse0 (<= main_~blastFlag~0 3) (not (= main_~s__hit~0 0)))))
[2020-09-25 11:10:45,445 INFO L268 CegarLoopResult]: For program point L36(lines 36 201) no Hoare annotation was computed.
[2020-09-25 11:10:45,446 INFO L268 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed.
[2020-09-25 11:10:45,446 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed.
[2020-09-25 11:10:45,446 INFO L264 CegarLoopResult]: At program point L53(lines 52 193) the Hoare annotation is: (<= main_~blastFlag~0 2)
[2020-09-25 11:10:45,446 INFO L268 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed.
[2020-09-25 11:10:45,446 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed.
[2020-09-25 11:10:45,446 INFO L268 CegarLoopResult]: For program point L169-1(lines 74 183) no Hoare annotation was computed.
[2020-09-25 11:10:45,447 INFO L264 CegarLoopResult]: At program point L37(lines 36 201) the Hoare annotation is: (<= main_~blastFlag~0 2)
[2020-09-25 11:10:45,447 INFO L264 CegarLoopResult]: At program point L120(lines 113 122) the Hoare annotation is: (<= main_~blastFlag~0 2)
[2020-09-25 11:10:45,447 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 8 217) no Hoare annotation was computed.
[2020-09-25 11:10:45,447 INFO L268 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed.
[2020-09-25 11:10:45,447 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed.
[2020-09-25 11:10:45,447 INFO L268 CegarLoopResult]: For program point L105(lines 105 123) no Hoare annotation was computed.
[2020-09-25 11:10:45,447 INFO L268 CegarLoopResult]: For program point L72(lines 72 183) no Hoare annotation was computed.
[2020-09-25 11:10:45,448 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed.
[2020-09-25 11:10:45,448 INFO L268 CegarLoopResult]: For program point L56(lines 56 191) no Hoare annotation was computed.
[2020-09-25 11:10:45,448 INFO L268 CegarLoopResult]: For program point L23(line 23) no Hoare annotation was computed.
[2020-09-25 11:10:45,448 INFO L268 CegarLoopResult]: For program point L172(lines 172 174) no Hoare annotation was computed.
[2020-09-25 11:10:45,448 INFO L268 CegarLoopResult]: For program point L106(lines 106 110) no Hoare annotation was computed.
[2020-09-25 11:10:45,448 INFO L264 CegarLoopResult]: At program point L73(lines 72 183) the Hoare annotation is: (and (<= main_~blastFlag~0 3) (<= 8672 main_~s__state~0))
[2020-09-25 11:10:45,448 INFO L268 CegarLoopResult]: For program point L40(lines 40 199) no Hoare annotation was computed.
[2020-09-25 11:10:45,450 INFO L264 CegarLoopResult]: At program point L57(lines 56 191) the Hoare annotation is: (<= main_~blastFlag~0 2)
[2020-09-25 11:10:45,452 INFO L264 CegarLoopResult]: At program point L173(lines 8 217) the Hoare annotation is: false
[2020-09-25 11:10:45,452 INFO L268 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed.
[2020-09-25 11:10:45,452 INFO L264 CegarLoopResult]: At program point L41(lines 40 199) the Hoare annotation is: (<= main_~blastFlag~0 2)
[2020-09-25 11:10:45,452 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed.
[2020-09-25 11:10:45,452 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed.
[2020-09-25 11:10:45,452 INFO L268 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed.
[2020-09-25 11:10:45,453 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed.
[2020-09-25 11:10:45,453 INFO L268 CegarLoopResult]: For program point L10-1(line 10) no Hoare annotation was computed.
[2020-09-25 11:10:45,453 INFO L268 CegarLoopResult]: For program point L10-2(line 10) no Hoare annotation was computed.
[2020-09-25 11:10:45,453 INFO L268 CegarLoopResult]: For program point L60(lines 60 189) no Hoare annotation was computed.
[2020-09-25 11:10:45,453 INFO L264 CegarLoopResult]: At program point L176(lines 22 211) the Hoare annotation is: (let ((.cse0 (<= main_~blastFlag~0 3))) (or (and .cse0 (<= 8672 main_~s__state~0)) (and (<= 8640 main_~s__state~0) .cse0 (not (= main_~s__hit~0 0))) (<= main_~blastFlag~0 2)))
[2020-09-25 11:10:45,453 INFO L268 CegarLoopResult]: For program point L44(lines 44 197) no Hoare annotation was computed.
[2020-09-25 11:10:45,453 INFO L268 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed.
[2020-09-25 11:10:45,454 INFO L268 CegarLoopResult]: For program point L11-1(line 11) no Hoare annotation was computed.
[2020-09-25 11:10:45,454 INFO L268 CegarLoopResult]: For program point L11-2(line 11) no Hoare annotation was computed.
[2020-09-25 11:10:45,459 INFO L264 CegarLoopResult]: At program point L61(lines 60 189) the Hoare annotation is: (<= main_~blastFlag~0 2)
[2020-09-25 11:10:45,460 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed.
[2020-09-25 11:10:45,460 INFO L264 CegarLoopResult]: At program point L45(lines 44 197) the Hoare annotation is: (<= main_~blastFlag~0 2)
[2020-09-25 11:10:45,460 INFO L268 CegarLoopResult]: For program point L78-1(lines 78 80) no Hoare annotation was computed.
[2020-09-25 11:10:45,460 INFO L268 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed.
[2020-09-25 11:10:45,461 INFO L268 CegarLoopResult]: For program point L12-1(line 12) no Hoare annotation was computed.
[2020-09-25 11:10:45,461 INFO L268 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed.
[2020-09-25 11:10:45,461 INFO L268 CegarLoopResult]: For program point L29(lines 29 204) no Hoare annotation was computed.
[2020-09-25 11:10:45,461 INFO L264 CegarLoopResult]: At program point L112(lines 105 123) the Hoare annotation is: (<= main_~blastFlag~0 2)
[2020-09-25 11:10:45,461 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed.
[2020-09-25 11:10:45,462 INFO L268 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed.
[2020-09-25 11:10:45,462 INFO L268 CegarLoopResult]: For program point L13-1(line 13) no Hoare annotation was computed.
[2020-09-25 11:10:45,462 INFO L268 CegarLoopResult]: For program point L13-2(line 13) no Hoare annotation was computed.
[2020-09-25 11:10:45,462 INFO L268 CegarLoopResult]: For program point L162-1(lines 162 164) no Hoare annotation was computed.
[2020-09-25 11:10:45,462 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 215) no Hoare annotation was computed.
[2020-09-25 11:10:45,463 INFO L264 CegarLoopResult]: At program point L30(lines 29 204) the Hoare annotation is: (<= main_~blastFlag~0 2)
[2020-09-25 11:10:45,463 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 8 217) the Hoare annotation is: true
[2020-09-25 11:10:45,463 INFO L268 CegarLoopResult]: For program point L14(line 14) no Hoare annotation was computed.
[2020-09-25 11:10:45,464 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed.
[2020-09-25 11:10:45,464 INFO L268 CegarLoopResult]: For program point L64(lines 64 187) no Hoare annotation was computed.
[2020-09-25 11:10:45,464 INFO L271 CegarLoopResult]: At program point L213(lines 8 217) the Hoare annotation is: true
[2020-09-25 11:10:45,465 INFO L268 CegarLoopResult]: For program point L114(lines 114 118) no Hoare annotation was computed.
[2020-09-25 11:10:45,465 INFO L268 CegarLoopResult]: For program point L48(lines 48 195) no Hoare annotation was computed.
[2020-09-25 11:10:45,466 INFO L268 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed.
[2020-09-25 11:10:45,466 INFO L264 CegarLoopResult]: At program point L65(lines 64 187) the Hoare annotation is: (let ((.cse0 (<= 8640 main_~s__state~0))) (or (and .cse0 (<= main_~blastFlag~0 2)) (and .cse0 (<= main_~blastFlag~0 3) (not (= main_~s__hit~0 0)))))
[2020-09-25 11:10:45,467 INFO L268 CegarLoopResult]: For program point L32(lines 32 203) no Hoare annotation was computed.
[2020-09-25 11:10:45,470 INFO L264 CegarLoopResult]: At program point L49(lines 48 195) the Hoare annotation is: (<= main_~blastFlag~0 2)
[2020-09-25 11:10:45,471 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed.
[2020-09-25 11:10:45,471 INFO L264 CegarLoopResult]: At program point L33(lines 32 203) the Hoare annotation is: (<= main_~blastFlag~0 2)
[2020-09-25 11:10:45,471 INFO L268 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed.
[2020-09-25 11:10:45,471 INFO L268 CegarLoopResult]: For program point L216(line 216) no Hoare annotation was computed.
[2020-09-25 11:10:45,471 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed.
[2020-09-25 11:10:45,472 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed.
[2020-09-25 11:10:45,472 INFO L268 CegarLoopResult]: For program point L134-1(line 134) no Hoare annotation was computed.
[2020-09-25 11:10:45,472 INFO L268 CegarLoopResult]: For program point L68(lines 68 185) no Hoare annotation was computed.
[2020-09-25 11:10:45,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 11:10:45 BoogieIcfgContainer
[2020-09-25 11:10:45,522 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 11:10:45,529 INFO L168 Benchmark]: Toolchain (without parser) took 4359.20 ms. Allocated memory was 138.4 MB in the beginning and 249.6 MB in the end (delta: 111.1 MB). Free memory was 101.5 MB in the beginning and 115.4 MB in the end (delta: -13.9 MB). Peak memory consumption was 97.3 MB. Max. memory is 7.1 GB.
[2020-09-25 11:10:45,534 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.7 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-09-25 11:10:45,535 INFO L168 Benchmark]: CACSL2BoogieTranslator took 602.01 ms. Allocated memory was 138.4 MB in the beginning and 200.8 MB in the end (delta: 62.4 MB). Free memory was 100.9 MB in the beginning and 179.4 MB in the end (delta: -78.5 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB.
[2020-09-25 11:10:45,539 INFO L168 Benchmark]: Boogie Preprocessor took 48.37 ms. Allocated memory is still 200.8 MB. Free memory was 179.4 MB in the beginning and 177.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB.
[2020-09-25 11:10:45,540 INFO L168 Benchmark]: RCFGBuilder took 490.55 ms. Allocated memory is still 200.8 MB. Free memory was 177.5 MB in the beginning and 155.2 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB.
[2020-09-25 11:10:45,541 INFO L168 Benchmark]: TraceAbstraction took 3205.68 ms. Allocated memory was 200.8 MB in the beginning and 249.6 MB in the end (delta: 48.8 MB). Free memory was 155.2 MB in the beginning and 115.4 MB in the end (delta: 39.8 MB). Peak memory consumption was 88.6 MB. Max. memory is 7.1 GB.
[2020-09-25 11:10:45,551 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 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.7 kB). There was no memory consumed. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 602.01 ms. Allocated memory was 138.4 MB in the beginning and 200.8 MB in the end (delta: 62.4 MB). Free memory was 100.9 MB in the beginning and 179.4 MB in the end (delta: -78.5 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 48.37 ms. Allocated memory is still 200.8 MB. Free memory was 179.4 MB in the beginning and 177.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 490.55 ms. Allocated memory is still 200.8 MB. Free memory was 177.5 MB in the beginning and 155.2 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 3205.68 ms. Allocated memory was 200.8 MB in the beginning and 249.6 MB in the end (delta: 48.8 MB). Free memory was 155.2 MB in the beginning and 115.4 MB in the end (delta: 39.8 MB). Peak memory consumption was 88.6 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 215]: 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: 32]: Loop Invariant
Derived loop invariant: blastFlag <= 2
- InvariantResult [Line: 64]: Loop Invariant
Derived loop invariant: (8640 <= s__state && blastFlag <= 2) || ((8640 <= s__state && blastFlag <= 3) && !(s__hit == 0))
- InvariantResult [Line: 8]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 44]: Loop Invariant
Derived loop invariant: blastFlag <= 2
- InvariantResult [Line: 113]: Loop Invariant
Derived loop invariant: blastFlag <= 2
- InvariantResult [Line: 56]: Loop Invariant
Derived loop invariant: blastFlag <= 2
- InvariantResult [Line: 36]: Loop Invariant
Derived loop invariant: blastFlag <= 2
- InvariantResult [Line: 68]: Loop Invariant
Derived loop invariant: (8640 <= s__state && blastFlag <= 2) || ((8640 <= s__state && blastFlag <= 3) && !(s__hit == 0))
- InvariantResult [Line: 105]: Loop Invariant
Derived loop invariant: blastFlag <= 2
- InvariantResult [Line: 22]: Loop Invariant
Derived loop invariant: ((blastFlag <= 3 && 8672 <= s__state) || ((8640 <= s__state && blastFlag <= 3) && !(s__hit == 0))) || blastFlag <= 2
- InvariantResult [Line: 48]: Loop Invariant
Derived loop invariant: blastFlag <= 2
- InvariantResult [Line: 60]: Loop Invariant
Derived loop invariant: blastFlag <= 2
- InvariantResult [Line: 29]: Loop Invariant
Derived loop invariant: blastFlag <= 2
- InvariantResult [Line: 40]: Loop Invariant
Derived loop invariant: blastFlag <= 2
- InvariantResult [Line: 72]: Loop Invariant
Derived loop invariant: blastFlag <= 3 && 8672 <= s__state
- InvariantResult [Line: 8]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 52]: Loop Invariant
Derived loop invariant: blastFlag <= 2
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.7s, OverallIterations: 7, TraceHistogramMax: 6, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 693 SDtfs, 310 SDslu, 522 SDs, 0 SdLazy, 212 SolverSat, 58 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=340occurred 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, 11 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 21 PreInvPairs, 86 NumberOfFragments, 106 HoareAnnotationTreeSize, 21 FomulaSimplifications, 585 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 21 FomulaSimplificationsInter, 60 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 402 NumberOfCodeBlocks, 402 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 395 ConstructedInterpolants, 0 QuantifiedInterpolants, 45737 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 202/202 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...