/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 SequenceOfStatements --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 --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem09_label50.c


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


This is Ultimate 0.1.25-adbd35c
[2020-10-14 20:48:03,152 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-10-14 20:48:03,155 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-10-14 20:48:03,197 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-10-14 20:48:03,197 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-10-14 20:48:03,205 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-10-14 20:48:03,206 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-10-14 20:48:03,210 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-10-14 20:48:03,213 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-10-14 20:48:03,216 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-10-14 20:48:03,216 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-10-14 20:48:03,219 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-10-14 20:48:03,219 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-10-14 20:48:03,221 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-10-14 20:48:03,224 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-10-14 20:48:03,226 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-10-14 20:48:03,228 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-10-14 20:48:03,229 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-10-14 20:48:03,230 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-10-14 20:48:03,238 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-10-14 20:48:03,240 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-10-14 20:48:03,241 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-10-14 20:48:03,242 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-10-14 20:48:03,242 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-10-14 20:48:03,254 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-10-14 20:48:03,255 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-10-14 20:48:03,255 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-10-14 20:48:03,256 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-10-14 20:48:03,256 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-10-14 20:48:03,258 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-10-14 20:48:03,258 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-10-14 20:48:03,259 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-10-14 20:48:03,260 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-10-14 20:48:03,261 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-10-14 20:48:03,262 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-10-14 20:48:03,262 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-10-14 20:48:03,263 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-10-14 20:48:03,263 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-10-14 20:48:03,263 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-10-14 20:48:03,264 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-10-14 20:48:03,265 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-10-14 20:48:03,266 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
[2020-10-14 20:48:03,305 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-10-14 20:48:03,306 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-10-14 20:48:03,308 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-10-14 20:48:03,308 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-10-14 20:48:03,308 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-10-14 20:48:03,308 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-10-14 20:48:03,309 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-10-14 20:48:03,309 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-10-14 20:48:03,309 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-10-14 20:48:03,309 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-10-14 20:48:03,310 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-10-14 20:48:03,311 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-10-14 20:48:03,311 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-10-14 20:48:03,311 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-10-14 20:48:03,311 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-10-14 20:48:03,312 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-10-14 20:48:03,312 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-10-14 20:48:03,312 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-10-14 20:48:03,312 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-10-14 20:48:03,313 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-10-14 20:48:03,314 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-10-14 20:48:03,315 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-10-14 20:48:03,315 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-10-14 20:48:03,317 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-10-14 20:48:03,317 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-10-14 20:48:03,318 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-10-14 20:48:03,318 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-10-14 20:48:03,318 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-10-14 20:48:03,318 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-10-14 20:48:03,318 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 -> SequenceOfStatements
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;unknown-allowed=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;unknown-allowed=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;unknown-allowed=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;unknown-allowed=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;unknown-allowed=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;unknown-allowed=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;unknown-allowed=true;
[2020-10-14 20:48:03,602 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-10-14 20:48:03,614 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-10-14 20:48:03,622 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-10-14 20:48:03,624 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-10-14 20:48:03,624 INFO  L275        PluginConnector]: CDTParser initialized
[2020-10-14 20:48:03,625 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem09_label50.c
[2020-10-14 20:48:03,686 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e9d9f72cc/aa4c1b9924c0420d894ffb2b10d0dcac/FLAG2592c1a63
[2020-10-14 20:48:07,541 INFO  L306              CDTParser]: Found 1 translation units.
[2020-10-14 20:48:07,542 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem09_label50.c
[2020-10-14 20:48:07,779 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e9d9f72cc/aa4c1b9924c0420d894ffb2b10d0dcac/FLAG2592c1a63
[2020-10-14 20:48:07,946 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e9d9f72cc/aa4c1b9924c0420d894ffb2b10d0dcac
[2020-10-14 20:48:07,954 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-10-14 20:48:07,956 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-10-14 20:48:07,958 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-10-14 20:48:07,958 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-10-14 20:48:07,962 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-10-14 20:48:07,963 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:48:07" (1/1) ...
[2020-10-14 20:48:07,966 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35692340 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:48:07, skipping insertion in model container
[2020-10-14 20:48:07,966 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:48:07" (1/1) ...
[2020-10-14 20:48:07,974 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-10-14 20:48:09,980 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-10-14 20:48:39,502 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-10-14 20:48:39,509 INFO  L203         MainTranslator]: Completed pre-run
[2020-10-14 20:48:54,682 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-10-14 20:49:14,090 INFO  L208         MainTranslator]: Completed translation
[2020-10-14 20:49:14,091 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:49:14 WrapperNode
[2020-10-14 20:49:14,091 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-10-14 20:49:14,092 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-10-14 20:49:14,092 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-10-14 20:49:14,092 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-10-14 20:49:14,103 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:49:14" (1/1) ...
[2020-10-14 20:49:14,103 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:49:14" (1/1) ...
[2020-10-14 20:49:15,841 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:49:14" (1/1) ...
[2020-10-14 20:49:15,842 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:49:14" (1/1) ...
[2020-10-14 20:49:19,308 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:49:14" (1/1) ...
[2020-10-14 20:49:19,740 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:49:14" (1/1) ...
[2020-10-14 20:49:20,645 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:49:14" (1/1) ...
[2020-10-14 20:49:21,389 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-10-14 20:49:21,389 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-10-14 20:49:21,389 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-10-14 20:49:21,389 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-10-14 20:49:21,390 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:49:14" (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
[2020-10-14 20:49:21,450 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-10-14 20:49:21,450 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-10-14 20:49:21,450 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output
[2020-10-14 20:49:21,450 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output2
[2020-10-14 20:49:21,450 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output3
[2020-10-14 20:49:21,451 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output4
[2020-10-14 20:49:21,451 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output5
[2020-10-14 20:49:21,451 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output6
[2020-10-14 20:49:21,451 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output7
[2020-10-14 20:49:21,451 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output8
[2020-10-14 20:49:21,451 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output9
[2020-10-14 20:49:21,452 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output10
[2020-10-14 20:49:21,452 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output11
[2020-10-14 20:49:21,452 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output12
[2020-10-14 20:49:21,452 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output13
[2020-10-14 20:49:21,452 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output14
[2020-10-14 20:49:21,452 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output15
[2020-10-14 20:49:21,453 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output16
[2020-10-14 20:49:21,453 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output17
[2020-10-14 20:49:21,453 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output18
[2020-10-14 20:49:21,453 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output19
[2020-10-14 20:49:21,453 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output20
[2020-10-14 20:49:21,453 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output21
[2020-10-14 20:49:21,454 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output22
[2020-10-14 20:49:21,454 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output23
[2020-10-14 20:49:21,454 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output24
[2020-10-14 20:49:21,454 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output25
[2020-10-14 20:49:21,454 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output26
[2020-10-14 20:49:21,454 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output27
[2020-10-14 20:49:21,454 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output28
[2020-10-14 20:49:21,455 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output29
[2020-10-14 20:49:21,455 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output30
[2020-10-14 20:49:21,455 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output31
[2020-10-14 20:49:21,455 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output32
[2020-10-14 20:49:21,455 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output33
[2020-10-14 20:49:21,455 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output34
[2020-10-14 20:49:21,456 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output35
[2020-10-14 20:49:21,456 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output36
[2020-10-14 20:49:21,456 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output37
[2020-10-14 20:49:21,456 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output38
[2020-10-14 20:49:21,456 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output39
[2020-10-14 20:49:21,456 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output40
[2020-10-14 20:49:21,457 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output41
[2020-10-14 20:49:21,457 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output42
[2020-10-14 20:49:21,457 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output43
[2020-10-14 20:49:21,457 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output44
[2020-10-14 20:49:21,457 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output45
[2020-10-14 20:49:21,457 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output46
[2020-10-14 20:49:21,457 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output47
[2020-10-14 20:49:21,458 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output48
[2020-10-14 20:49:21,458 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output49
[2020-10-14 20:49:21,458 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output50
[2020-10-14 20:49:21,458 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output51
[2020-10-14 20:49:21,458 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output52
[2020-10-14 20:49:21,458 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output53
[2020-10-14 20:49:21,459 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output54
[2020-10-14 20:49:21,459 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output55
[2020-10-14 20:49:21,459 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output56
[2020-10-14 20:49:21,459 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output57
[2020-10-14 20:49:21,459 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output58
[2020-10-14 20:49:21,459 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output59
[2020-10-14 20:49:21,459 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output60
[2020-10-14 20:49:21,460 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output61
[2020-10-14 20:49:21,460 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output62
[2020-10-14 20:49:21,460 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output63
[2020-10-14 20:49:21,460 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output64
[2020-10-14 20:49:21,460 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output65
[2020-10-14 20:49:21,460 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output66
[2020-10-14 20:49:21,460 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output67
[2020-10-14 20:49:21,461 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output68
[2020-10-14 20:49:21,461 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output69
[2020-10-14 20:49:21,461 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output70
[2020-10-14 20:49:21,461 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output71
[2020-10-14 20:49:21,461 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output72
[2020-10-14 20:49:21,461 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output73
[2020-10-14 20:49:21,462 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output74
[2020-10-14 20:49:21,462 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output75
[2020-10-14 20:49:21,462 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-10-14 20:49:21,462 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output
[2020-10-14 20:49:21,462 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output2
[2020-10-14 20:49:21,462 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output3
[2020-10-14 20:49:21,463 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output4
[2020-10-14 20:49:21,463 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output5
[2020-10-14 20:49:21,463 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output6
[2020-10-14 20:49:21,463 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output7
[2020-10-14 20:49:21,463 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output8
[2020-10-14 20:49:21,463 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output9
[2020-10-14 20:49:21,464 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output10
[2020-10-14 20:49:21,464 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output11
[2020-10-14 20:49:21,464 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output12
[2020-10-14 20:49:21,464 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output13
[2020-10-14 20:49:21,464 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output14
[2020-10-14 20:49:21,464 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output15
[2020-10-14 20:49:21,464 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output16
[2020-10-14 20:49:21,465 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output17
[2020-10-14 20:49:21,465 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output18
[2020-10-14 20:49:21,465 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output19
[2020-10-14 20:49:21,465 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output20
[2020-10-14 20:49:21,465 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output21
[2020-10-14 20:49:21,465 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output22
[2020-10-14 20:49:21,465 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output23
[2020-10-14 20:49:21,466 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output24
[2020-10-14 20:49:21,466 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output25
[2020-10-14 20:49:21,466 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output26
[2020-10-14 20:49:21,466 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output27
[2020-10-14 20:49:21,466 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output28
[2020-10-14 20:49:21,466 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output29
[2020-10-14 20:49:21,467 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output30
[2020-10-14 20:49:21,467 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output31
[2020-10-14 20:49:21,467 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output32
[2020-10-14 20:49:21,467 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output33
[2020-10-14 20:49:21,467 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output34
[2020-10-14 20:49:21,467 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output35
[2020-10-14 20:49:21,467 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output36
[2020-10-14 20:49:21,468 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output37
[2020-10-14 20:49:21,468 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output38
[2020-10-14 20:49:21,468 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output39
[2020-10-14 20:49:21,468 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output40
[2020-10-14 20:49:21,468 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output41
[2020-10-14 20:49:21,468 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output42
[2020-10-14 20:49:21,468 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output43
[2020-10-14 20:49:21,469 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output44
[2020-10-14 20:49:21,469 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output45
[2020-10-14 20:49:21,469 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output46
[2020-10-14 20:49:21,469 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output47
[2020-10-14 20:49:21,469 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output48
[2020-10-14 20:49:21,469 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output49
[2020-10-14 20:49:21,469 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output50
[2020-10-14 20:49:21,470 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output51
[2020-10-14 20:49:21,470 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output52
[2020-10-14 20:49:21,470 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output53
[2020-10-14 20:49:21,470 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output54
[2020-10-14 20:49:21,470 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output55
[2020-10-14 20:49:21,470 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output56
[2020-10-14 20:49:21,471 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output57
[2020-10-14 20:49:21,471 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output58
[2020-10-14 20:49:21,471 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output59
[2020-10-14 20:49:21,471 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output60
[2020-10-14 20:49:21,471 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output61
[2020-10-14 20:49:21,471 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output62
[2020-10-14 20:49:21,472 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output63
[2020-10-14 20:49:21,472 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output64
[2020-10-14 20:49:21,472 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output65
[2020-10-14 20:49:21,472 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output66
[2020-10-14 20:49:21,472 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output67
[2020-10-14 20:49:21,472 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output68
[2020-10-14 20:49:21,472 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output69
[2020-10-14 20:49:21,473 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output70
[2020-10-14 20:49:21,473 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output71
[2020-10-14 20:49:21,473 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output72
[2020-10-14 20:49:21,473 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output73
[2020-10-14 20:49:21,473 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output74
[2020-10-14 20:49:21,473 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output75
[2020-10-14 20:49:21,474 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-10-14 20:49:21,474 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-10-14 20:49:21,474 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2020-10-14 20:49:21,474 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-10-14 20:49:21,474 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-10-14 20:49:21,474 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-10-14 20:50:55,847 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-10-14 20:50:55,847 INFO  L295             CfgBuilder]: Removed 1 assume(true) statements.
[2020-10-14 20:50:55,910 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:50:55 BoogieIcfgContainer
[2020-10-14 20:50:55,910 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-10-14 20:50:55,912 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-10-14 20:50:55,912 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-10-14 20:50:55,915 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-10-14 20:50:55,915 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:48:07" (1/3) ...
[2020-10-14 20:50:55,916 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57c63d10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:50:55, skipping insertion in model container
[2020-10-14 20:50:55,916 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:49:14" (2/3) ...
[2020-10-14 20:50:55,917 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57c63d10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:50:55, skipping insertion in model container
[2020-10-14 20:50:55,918 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:50:55" (3/3) ...
[2020-10-14 20:50:55,920 INFO  L109   eAbstractionObserver]: Analyzing ICFG Problem09_label50.c
[2020-10-14 20:50:55,931 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-10-14 20:50:55,954 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-10-14 20:50:55,967 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-10-14 20:50:56,044 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-10-14 20:50:56,045 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-10-14 20:50:56,045 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-10-14 20:50:56,045 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-10-14 20:50:56,045 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-10-14 20:50:56,045 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-10-14 20:50:56,045 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-10-14 20:50:56,045 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-10-14 20:50:56,287 INFO  L276                IsEmpty]: Start isEmpty. Operand 20661 states.
[2020-10-14 20:50:59,120 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16669
[2020-10-14 20:50:59,120 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-14 20:50:59,134 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2020-10-14 20:50:59,136 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [calculate_output75Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-14 20:50:59,149 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-14 20:50:59,157 INFO  L82        PathProgramCache]: Analyzing trace with hash -1900935816, now seen corresponding path program 1 times
[2020-10-14 20:50:59,164 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-14 20:50:59,165 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1361393842]
[2020-10-14 20:50:59,173 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-14 20:51:08,827 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-14 20:51:16,588 FATAL L256   erpolLogProxyWrapper]: Now shrinking...