/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/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.1.M1-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 22:39:52,754 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 22:39:52,757 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 22:39:52,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-23 22:39:52,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-23 22:39:52,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-23 22:39:52,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-23 22:39:52,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-23 22:39:52,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-23 22:39:52,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-23 22:39:52,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-23 22:39:52,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-23 22:39:52,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-23 22:39:52,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-23 22:39:52,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-23 22:39:52,781 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-23 22:39:52,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-23 22:39:52,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-23 22:39:52,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-23 22:39:52,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-23 22:39:52,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-23 22:39:52,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-23 22:39:52,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-23 22:39:52,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-23 22:39:52,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-23 22:39:52,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-23 22:39:52,795 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-23 22:39:52,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-23 22:39:52,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-23 22:39:52,798 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-23 22:39:52,798 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-23 22:39:52,799 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-23 22:39:52,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-23 22:39:52,800 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-23 22:39:52,801 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-23 22:39:52,802 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-23 22:39:52,802 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-23 22:39:52,803 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-23 22:39:52,803 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-23 22:39:52,804 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-23 22:39:52,805 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-23 22:39:52,805 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-23 22:39:52,820 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 22:39:52,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 22:39:52,821 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-23 22:39:52,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-23 22:39:52,822 INFO L138 SettingsManager]: * Use SBE=true [2019-11-23 22:39:52,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 22:39:52,822 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 22:39:52,822 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 22:39:52,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 22:39:52,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 22:39:52,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 22:39:52,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 22:39:52,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 22:39:52,824 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-23 22:39:52,824 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 22:39:52,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 22:39:52,824 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-23 22:39:52,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 22:39:52,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 22:39:52,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-23 22:39:52,825 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 22:39:52,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 22:39:52,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 22:39:52,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 22:39:52,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 22:39:52,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 22:39:52,826 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-23 22:39:52,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 22:39:52,826 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 22:39:52,827 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 22:39:53,104 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 22:39:53,117 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 22:39:53,120 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 22:39:53,122 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 22:39:53,122 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 22:39:53,123 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.1.M1-2.c [2019-11-23 22:39:53,199 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b38a0fe1/5a8dabb220af47c7991f52d7e290b5a2/FLAGfc2c9c369 [2019-11-23 22:39:53,794 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 22:39:53,794 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.1.M1-2.c [2019-11-23 22:39:53,811 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b38a0fe1/5a8dabb220af47c7991f52d7e290b5a2/FLAGfc2c9c369 [2019-11-23 22:39:54,049 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b38a0fe1/5a8dabb220af47c7991f52d7e290b5a2 [2019-11-23 22:39:54,060 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 22:39:54,062 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 22:39:54,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 22:39:54,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 22:39:54,071 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 22:39:54,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:39:54" (1/1) ... [2019-11-23 22:39:54,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31856daf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:54, skipping insertion in model container [2019-11-23 22:39:54,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:39:54" (1/1) ... [2019-11-23 22:39:54,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 22:39:54,161 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 22:39:54,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 22:39:54,909 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 22:39:55,146 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 22:39:55,192 INFO L208 MainTranslator]: Completed translation [2019-11-23 22:39:55,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:55 WrapperNode [2019-11-23 22:39:55,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 22:39:55,194 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 22:39:55,194 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 22:39:55,194 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 22:39:55,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:55" (1/1) ... [2019-11-23 22:39:55,286 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:55" (1/1) ... [2019-11-23 22:39:55,696 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 22:39:55,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 22:39:55,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 22:39:55,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 22:39:55,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:55" (1/1) ... [2019-11-23 22:39:55,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:55" (1/1) ... [2019-11-23 22:39:55,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:55" (1/1) ... [2019-11-23 22:39:55,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:55" (1/1) ... [2019-11-23 22:39:56,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:55" (1/1) ... [2019-11-23 22:39:56,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:55" (1/1) ... [2019-11-23 22:39:56,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:55" (1/1) ... [2019-11-23 22:39:56,264 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 22:39:56,265 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 22:39:56,265 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 22:39:56,266 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 22:39:56,267 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2019-11-23 22:39:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-23 22:39:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-23 22:39:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-23 22:39:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-23 22:39:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-23 22:39:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 22:39:56,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 22:40:07,974 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 22:40:07,974 INFO L284 CfgBuilder]: Removed 1850 assume(true) statements. [2019-11-23 22:40:07,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:40:07 BoogieIcfgContainer [2019-11-23 22:40:07,978 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 22:40:07,979 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 22:40:07,979 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 22:40:07,982 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 22:40:07,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:39:54" (1/3) ... [2019-11-23 22:40:07,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c150974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:40:07, skipping insertion in model container [2019-11-23 22:40:07,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:55" (2/3) ... [2019-11-23 22:40:07,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c150974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:40:07, skipping insertion in model container [2019-11-23 22:40:07,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:40:07" (3/3) ... [2019-11-23 22:40:07,986 INFO L109 eAbstractionObserver]: Analyzing ICFG rekcba_nxt.1.M1-2.c [2019-11-23 22:40:07,996 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 22:40:08,007 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 22:40:08,017 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 22:40:08,054 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 22:40:08,054 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 22:40:08,054 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 22:40:08,054 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 22:40:08,055 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 22:40:08,055 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 22:40:08,055 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 22:40:08,055 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 22:40:08,108 INFO L276 IsEmpty]: Start isEmpty. Operand 3086 states. [2019-11-23 22:40:08,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2019-11-23 22:40:08,147 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:40:08,148 INFO L410 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] [2019-11-23 22:40:08,149 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:40:08,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:40:08,154 INFO L82 PathProgramCache]: Analyzing trace with hash 2006193049, now seen corresponding path program 1 times [2019-11-23 22:40:08,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:40:08,161 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048409274] [2019-11-23 22:40:08,161 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:40:18,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat