/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=SHALLOWEST --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 language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem09_label09.c


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


This is Ultimate 0.2.0-0f64333
[2020-10-26 22:15:27,954 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-10-26 22:15:27,958 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-10-26 22:15:28,016 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-10-26 22:15:28,017 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-10-26 22:15:28,023 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-10-26 22:15:28,028 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-10-26 22:15:28,033 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-10-26 22:15:28,036 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-10-26 22:15:28,044 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-10-26 22:15:28,046 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-10-26 22:15:28,047 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-10-26 22:15:28,047 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-10-26 22:15:28,051 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-10-26 22:15:28,053 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-10-26 22:15:28,055 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-10-26 22:15:28,057 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-10-26 22:15:28,061 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-10-26 22:15:28,069 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-10-26 22:15:28,099 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-10-26 22:15:28,101 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-10-26 22:15:28,105 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-10-26 22:15:28,107 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-10-26 22:15:28,109 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-10-26 22:15:28,117 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-10-26 22:15:28,118 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-10-26 22:15:28,118 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-10-26 22:15:28,121 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-10-26 22:15:28,122 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-10-26 22:15:28,123 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-10-26 22:15:28,123 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-10-26 22:15:28,124 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-10-26 22:15:28,126 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-10-26 22:15:28,127 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-10-26 22:15:28,128 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-10-26 22:15:28,129 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-10-26 22:15:28,130 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-10-26 22:15:28,130 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-10-26 22:15:28,130 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-10-26 22:15:28,131 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-10-26 22:15:28,132 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-10-26 22:15:28,141 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
[2020-10-26 22:15:28,190 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-10-26 22:15:28,190 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-10-26 22:15:28,195 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-10-26 22:15:28,196 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-10-26 22:15:28,196 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-10-26 22:15:28,196 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-10-26 22:15:28,196 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-10-26 22:15:28,197 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-10-26 22:15:28,197 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-10-26 22:15:28,197 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-10-26 22:15:28,198 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-10-26 22:15:28,198 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-10-26 22:15:28,199 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-10-26 22:15:28,199 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-10-26 22:15:28,199 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-10-26 22:15:28,199 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-10-26 22:15:28,200 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-10-26 22:15:28,200 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-10-26 22:15:28,200 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-10-26 22:15:28,200 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-10-26 22:15:28,200 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-10-26 22:15:28,201 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-10-26 22:15:28,201 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-10-26 22:15:28,201 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-10-26 22:15:28,201 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-10-26 22:15:28,202 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-10-26 22:15:28,202 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-10-26 22:15:28,202 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-10-26 22:15:28,202 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-10-26 22:15:28,202 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true;
[2020-10-26 22:15:28,611 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-10-26 22:15:28,647 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-10-26 22:15:28,650 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-10-26 22:15:28,652 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-10-26 22:15:28,653 INFO  L275        PluginConnector]: CDTParser initialized
[2020-10-26 22:15:28,654 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem09_label09.c
[2020-10-26 22:15:28,744 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ccb2bf106/aba69b16604f4fc2971506f87d410b9b/FLAG27e751835
[2020-10-26 22:15:33,396 INFO  L306              CDTParser]: Found 1 translation units.
[2020-10-26 22:15:33,397 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem09_label09.c
[2020-10-26 22:15:33,672 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ccb2bf106/aba69b16604f4fc2971506f87d410b9b/FLAG27e751835
[2020-10-26 22:15:33,833 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ccb2bf106/aba69b16604f4fc2971506f87d410b9b
[2020-10-26 22:15:33,837 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-10-26 22:15:33,847 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-10-26 22:15:33,851 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-10-26 22:15:33,852 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-10-26 22:15:33,856 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-10-26 22:15:33,858 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:15:33" (1/1) ...
[2020-10-26 22:15:33,862 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47f995c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:15:33, skipping insertion in model container
[2020-10-26 22:15:33,863 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:15:33" (1/1) ...
[2020-10-26 22:15:33,872 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-10-26 22:15:36,143 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-10-26 22:16:00,959 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-10-26 22:16:00,971 INFO  L203         MainTranslator]: Completed pre-run
[2020-10-26 22:16:14,343 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-10-26 22:16:21,046 INFO  L208         MainTranslator]: Completed translation
[2020-10-26 22:16:21,047 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:16:21 WrapperNode
[2020-10-26 22:16:21,048 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-10-26 22:16:21,049 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-10-26 22:16:21,049 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-10-26 22:16:21,050 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-10-26 22:16:21,066 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:16:21" (1/1) ...
[2020-10-26 22:16:21,073 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:16:21" (1/1) ...
[2020-10-26 22:16:23,459 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:16:21" (1/1) ...
[2020-10-26 22:16:23,459 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:16:21" (1/1) ...
[2020-10-26 22:16:29,623 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:16:21" (1/1) ...
[2020-10-26 22:16:30,357 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:16:21" (1/1) ...
[2020-10-26 22:16:31,881 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:16:21" (1/1) ...
[2020-10-26 22:16:33,572 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-10-26 22:16:33,573 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-10-26 22:16:33,573 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-10-26 22:16:33,574 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-10-26 22:16:33,575 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:16:21" (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
[2020-10-26 22:16:33,736 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-10-26 22:16:33,737 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-10-26 22:16:33,737 INFO  L138     BoogieDeclarations]: Found implementation of procedure reach_error
[2020-10-26 22:16:33,737 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output
[2020-10-26 22:16:33,737 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output2
[2020-10-26 22:16:33,737 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output3
[2020-10-26 22:16:33,737 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output4
[2020-10-26 22:16:33,738 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output5
[2020-10-26 22:16:33,738 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output6
[2020-10-26 22:16:33,738 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output7
[2020-10-26 22:16:33,738 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output8
[2020-10-26 22:16:33,738 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output9
[2020-10-26 22:16:33,738 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output10
[2020-10-26 22:16:33,739 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output11
[2020-10-26 22:16:33,739 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output12
[2020-10-26 22:16:33,739 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output13
[2020-10-26 22:16:33,739 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output14
[2020-10-26 22:16:33,739 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output15
[2020-10-26 22:16:33,739 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output16
[2020-10-26 22:16:33,740 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output17
[2020-10-26 22:16:33,740 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output18
[2020-10-26 22:16:33,740 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output19
[2020-10-26 22:16:33,740 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output20
[2020-10-26 22:16:33,740 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output21
[2020-10-26 22:16:33,740 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output22
[2020-10-26 22:16:33,741 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output23
[2020-10-26 22:16:33,741 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output24
[2020-10-26 22:16:33,741 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output25
[2020-10-26 22:16:33,741 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output26
[2020-10-26 22:16:33,741 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output27
[2020-10-26 22:16:33,741 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output28
[2020-10-26 22:16:33,741 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output29
[2020-10-26 22:16:33,742 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output30
[2020-10-26 22:16:33,742 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output31
[2020-10-26 22:16:33,742 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output32
[2020-10-26 22:16:33,742 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output33
[2020-10-26 22:16:33,742 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output34
[2020-10-26 22:16:33,742 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output35
[2020-10-26 22:16:33,742 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output36
[2020-10-26 22:16:33,743 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output37
[2020-10-26 22:16:33,743 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output38
[2020-10-26 22:16:33,743 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output39
[2020-10-26 22:16:33,743 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output40
[2020-10-26 22:16:33,743 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output41
[2020-10-26 22:16:33,743 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output42
[2020-10-26 22:16:33,743 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output43
[2020-10-26 22:16:33,744 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output44
[2020-10-26 22:16:33,744 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output45
[2020-10-26 22:16:33,744 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output46
[2020-10-26 22:16:33,744 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output47
[2020-10-26 22:16:33,744 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output48
[2020-10-26 22:16:33,744 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output49
[2020-10-26 22:16:33,744 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output50
[2020-10-26 22:16:33,745 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output51
[2020-10-26 22:16:33,745 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output52
[2020-10-26 22:16:33,745 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output53
[2020-10-26 22:16:33,745 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output54
[2020-10-26 22:16:33,745 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output55
[2020-10-26 22:16:33,745 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output56
[2020-10-26 22:16:33,745 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output57
[2020-10-26 22:16:33,746 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output58
[2020-10-26 22:16:33,746 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output59
[2020-10-26 22:16:33,746 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output60
[2020-10-26 22:16:33,746 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output61
[2020-10-26 22:16:33,746 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output62
[2020-10-26 22:16:33,746 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output63
[2020-10-26 22:16:33,747 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output64
[2020-10-26 22:16:33,747 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output65
[2020-10-26 22:16:33,747 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output66
[2020-10-26 22:16:33,747 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output67
[2020-10-26 22:16:33,747 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output68
[2020-10-26 22:16:33,747 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output69
[2020-10-26 22:16:33,747 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output70
[2020-10-26 22:16:33,748 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output71
[2020-10-26 22:16:33,748 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output72
[2020-10-26 22:16:33,748 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output73
[2020-10-26 22:16:33,748 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output74
[2020-10-26 22:16:33,748 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output75
[2020-10-26 22:16:33,748 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-10-26 22:16:33,749 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output
[2020-10-26 22:16:33,749 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output2
[2020-10-26 22:16:33,749 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output3
[2020-10-26 22:16:33,749 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output4
[2020-10-26 22:16:33,749 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output5
[2020-10-26 22:16:33,749 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output6
[2020-10-26 22:16:33,750 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output7
[2020-10-26 22:16:33,750 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output8
[2020-10-26 22:16:33,750 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output9
[2020-10-26 22:16:33,750 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output10
[2020-10-26 22:16:33,750 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output11
[2020-10-26 22:16:33,750 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output12
[2020-10-26 22:16:33,750 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output13
[2020-10-26 22:16:33,751 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output14
[2020-10-26 22:16:33,751 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output15
[2020-10-26 22:16:33,751 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output16
[2020-10-26 22:16:33,751 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output17
[2020-10-26 22:16:33,751 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output18
[2020-10-26 22:16:33,751 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output19
[2020-10-26 22:16:33,751 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output20
[2020-10-26 22:16:33,752 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output21
[2020-10-26 22:16:33,752 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output22
[2020-10-26 22:16:33,752 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output23
[2020-10-26 22:16:33,752 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output24
[2020-10-26 22:16:33,752 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output25
[2020-10-26 22:16:33,752 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output26
[2020-10-26 22:16:33,752 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output27
[2020-10-26 22:16:33,753 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output28
[2020-10-26 22:16:33,753 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output29
[2020-10-26 22:16:33,753 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output30
[2020-10-26 22:16:33,753 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output31
[2020-10-26 22:16:33,753 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output32
[2020-10-26 22:16:33,753 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output33
[2020-10-26 22:16:33,753 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output34
[2020-10-26 22:16:33,754 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output35
[2020-10-26 22:16:33,754 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output36
[2020-10-26 22:16:33,754 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output37
[2020-10-26 22:16:33,754 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output38
[2020-10-26 22:16:33,754 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output39
[2020-10-26 22:16:33,754 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output40
[2020-10-26 22:16:33,754 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output41
[2020-10-26 22:16:33,755 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output42
[2020-10-26 22:16:33,755 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output43
[2020-10-26 22:16:33,755 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output44
[2020-10-26 22:16:33,755 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output45
[2020-10-26 22:16:33,755 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output46
[2020-10-26 22:16:33,755 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output47
[2020-10-26 22:16:33,755 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output48
[2020-10-26 22:16:33,756 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output49
[2020-10-26 22:16:33,756 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output50
[2020-10-26 22:16:33,756 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output51
[2020-10-26 22:16:33,756 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output52
[2020-10-26 22:16:33,756 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output53
[2020-10-26 22:16:33,756 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output54
[2020-10-26 22:16:33,756 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output55
[2020-10-26 22:16:33,757 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output56
[2020-10-26 22:16:33,757 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output57
[2020-10-26 22:16:33,757 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output58
[2020-10-26 22:16:33,757 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output59
[2020-10-26 22:16:33,757 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output60
[2020-10-26 22:16:33,757 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output61
[2020-10-26 22:16:33,758 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output62
[2020-10-26 22:16:33,758 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output63
[2020-10-26 22:16:33,758 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output64
[2020-10-26 22:16:33,758 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output65
[2020-10-26 22:16:33,758 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output66
[2020-10-26 22:16:33,758 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output67
[2020-10-26 22:16:33,758 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output68
[2020-10-26 22:16:33,759 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output69
[2020-10-26 22:16:33,759 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output70
[2020-10-26 22:16:33,759 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output71
[2020-10-26 22:16:33,759 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output72
[2020-10-26 22:16:33,759 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output73
[2020-10-26 22:16:33,759 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output74
[2020-10-26 22:16:33,760 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output75
[2020-10-26 22:16:33,760 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2020-10-26 22:16:33,760 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-10-26 22:16:33,760 INFO  L130     BoogieDeclarations]: Found specification of procedure reach_error
[2020-10-26 22:16:33,760 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-10-26 22:16:33,760 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-10-26 22:16:33,760 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2020-10-26 22:16:33,760 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-10-26 22:16:33,761 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-10-26 22:16:33,761 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-10-26 22:16:33,761 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-10-26 22:16:33,761 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-10-26 22:16:33,761 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-10-26 22:16:33,761 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-10-26 22:18:39,044 INFO  L293             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-10-26 22:18:39,045 INFO  L298             CfgBuilder]: Removed 1 assume(true) statements.
[2020-10-26 22:18:39,070 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:18:39 BoogieIcfgContainer
[2020-10-26 22:18:39,070 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-10-26 22:18:39,073 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-10-26 22:18:39,073 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-10-26 22:18:39,078 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-10-26 22:18:39,078 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:15:33" (1/3) ...
[2020-10-26 22:18:39,079 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cd7cbf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:18:39, skipping insertion in model container
[2020-10-26 22:18:39,079 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:16:21" (2/3) ...
[2020-10-26 22:18:39,080 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cd7cbf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:18:39, skipping insertion in model container
[2020-10-26 22:18:39,080 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:18:39" (3/3) ...
[2020-10-26 22:18:39,081 INFO  L111   eAbstractionObserver]: Analyzing ICFG Problem09_label09.c
[2020-10-26 22:18:39,094 INFO  L164   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-10-26 22:18:39,105 INFO  L176   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-10-26 22:18:39,121 INFO  L253      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-10-26 22:18:39,202 INFO  L377      AbstractCegarLoop]: Interprodecural is true
[2020-10-26 22:18:39,202 INFO  L378      AbstractCegarLoop]: Hoare is true
[2020-10-26 22:18:39,202 INFO  L379      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-10-26 22:18:39,202 INFO  L380      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-10-26 22:18:39,202 INFO  L381      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-10-26 22:18:39,203 INFO  L382      AbstractCegarLoop]: Difference is false
[2020-10-26 22:18:39,203 INFO  L383      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-10-26 22:18:39,203 INFO  L387      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-10-26 22:18:39,462 INFO  L276                IsEmpty]: Start isEmpty. Operand 20665 states.
[2020-10-26 22:18:42,192 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16672
[2020-10-26 22:18:42,192 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-26 22:18:42,209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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[2020-10-26 22:18:42,212 INFO  L429      AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-26 22:18:42,219 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-26 22:18:42,234 INFO  L82        PathProgramCache]: Analyzing trace with hash -1781224871, now seen corresponding path program 1 times
[2020-10-26 22:18:42,245 INFO  L162   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-26 22:18:42,245 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1861792641]
[2020-10-26 22:18:42,257 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-26 22:18:52,655 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat