/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/rekh_nxt.3.M1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 22:46:06,514 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 22:46:06,517 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 22:46:06,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-23 22:46:06,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-23 22:46:06,540 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-23 22:46:06,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-23 22:46:06,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-23 22:46:06,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-23 22:46:06,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-23 22:46:06,563 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-23 22:46:06,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-23 22:46:06,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-23 22:46:06,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-23 22:46:06,570 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-23 22:46:06,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-23 22:46:06,573 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-23 22:46:06,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-23 22:46:06,576 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-23 22:46:06,581 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-23 22:46:06,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-23 22:46:06,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-23 22:46:06,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-23 22:46:06,592 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-23 22:46:06,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-23 22:46:06,599 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-23 22:46:06,601 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-23 22:46:06,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-23 22:46:06,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-23 22:46:06,606 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-23 22:46:06,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-23 22:46:06,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-23 22:46:06,607 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-23 22:46:06,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-23 22:46:06,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-23 22:46:06,610 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-23 22:46:06,611 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 22:46:06,646 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 22:46:06,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 22:46:06,649 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-23 22:46:06,650 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-23 22:46:06,650 INFO L138 SettingsManager]: * Use SBE=true [2019-11-23 22:46:06,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 22:46:06,650 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 22:46:06,651 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 22:46:06,651 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 22:46:06,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 22:46:06,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 22:46:06,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 22:46:06,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 22:46:06,654 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-23 22:46:06,654 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 22:46:06,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 22:46:06,654 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-23 22:46:06,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 22:46:06,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 22:46:06,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-23 22:46:06,655 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 22:46:06,656 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 22:46:06,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 22:46:06,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 22:46:06,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 22:46:06,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 22:46:06,657 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-23 22:46:06,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 22:46:06,658 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 22:46:06,658 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 22:46:06,957 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 22:46:06,977 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 22:46:06,981 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 22:46:06,983 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 22:46:06,983 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 22:46:06,984 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_nxt.3.M1.c [2019-11-23 22:46:07,052 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/281a36959/d2a41d4cab4a42ff97471d3a99826018/FLAGe71d896bc [2019-11-23 22:46:07,764 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 22:46:07,764 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_nxt.3.M1.c [2019-11-23 22:46:07,799 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/281a36959/d2a41d4cab4a42ff97471d3a99826018/FLAGe71d896bc [2019-11-23 22:46:07,928 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/281a36959/d2a41d4cab4a42ff97471d3a99826018 [2019-11-23 22:46:07,939 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 22:46:07,941 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 22:46:07,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 22:46:07,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 22:46:07,946 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 22:46:07,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:46:07" (1/1) ... [2019-11-23 22:46:07,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e46584f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:07, skipping insertion in model container [2019-11-23 22:46:07,951 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:46:07" (1/1) ... [2019-11-23 22:46:07,960 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 22:46:08,048 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 22:46:08,871 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 22:46:08,895 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 22:46:09,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 22:46:09,234 INFO L208 MainTranslator]: Completed translation [2019-11-23 22:46:09,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:09 WrapperNode [2019-11-23 22:46:09,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 22:46:09,236 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 22:46:09,237 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 22:46:09,237 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 22:46:09,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:09" (1/1) ... [2019-11-23 22:46:09,354 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:09" (1/1) ... [2019-11-23 22:46:11,447 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 22:46:11,447 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 22:46:11,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 22:46:11,448 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 22:46:11,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:09" (1/1) ... [2019-11-23 22:46:11,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:09" (1/1) ... [2019-11-23 22:46:12,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:09" (1/1) ... [2019-11-23 22:46:12,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:09" (1/1) ... [2019-11-23 22:46:13,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:09" (1/1) ... [2019-11-23 22:46:13,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:09" (1/1) ... [2019-11-23 22:46:14,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:09" (1/1) ... [2019-11-23 22:46:14,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 22:46:14,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 22:46:14,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 22:46:14,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 22:46:14,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:09" (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 22:46:14,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-23 22:46:14,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-23 22:46:14,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-23 22:46:14,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-23 22:46:14,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-23 22:46:14,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 22:46:14,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 22:47:02,286 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 22:47:02,287 INFO L284 CfgBuilder]: Removed 2362 assume(true) statements. [2019-11-23 22:47:02,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:47:02 BoogieIcfgContainer [2019-11-23 22:47:02,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 22:47:02,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 22:47:02,299 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 22:47:02,302 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 22:47:02,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:46:07" (1/3) ... [2019-11-23 22:47:02,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e41d2b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:47:02, skipping insertion in model container [2019-11-23 22:47:02,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:09" (2/3) ... [2019-11-23 22:47:02,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e41d2b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:47:02, skipping insertion in model container [2019-11-23 22:47:02,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:47:02" (3/3) ... [2019-11-23 22:47:02,307 INFO L109 eAbstractionObserver]: Analyzing ICFG rekh_nxt.3.M1.c [2019-11-23 22:47:02,318 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 22:47:02,332 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 27 error locations. [2019-11-23 22:47:02,344 INFO L249 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2019-11-23 22:47:02,428 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 22:47:02,429 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 22:47:02,429 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 22:47:02,429 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 22:47:02,429 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 22:47:02,429 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 22:47:02,429 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 22:47:02,430 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 22:47:02,634 INFO L276 IsEmpty]: Start isEmpty. Operand 19386 states. [2019-11-23 22:47:02,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-23 22:47:02,644 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:47:02,645 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] [2019-11-23 22:47:02,646 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:47:02,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:47:02,653 INFO L82 PathProgramCache]: Analyzing trace with hash 875533894, now seen corresponding path program 1 times [2019-11-23 22:47:02,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:47:02,663 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299040990] [2019-11-23 22:47:02,664 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:47:03,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat