/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/bitvector/jain_6-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 13:06:26,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 13:06:26,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 13:06:26,214 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 13:06:26,214 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 13:06:26,216 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 13:06:26,218 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 13:06:26,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 13:06:26,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 13:06:26,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 13:06:26,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 13:06:26,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 13:06:26,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 13:06:26,238 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 13:06:26,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 13:06:26,242 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 13:06:26,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 13:06:26,246 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 13:06:26,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 13:06:26,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 13:06:26,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 13:06:26,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 13:06:26,263 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 13:06:26,264 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 13:06:26,266 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 13:06:26,267 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 13:06:26,267 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 13:06:26,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 13:06:26,270 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 13:06:26,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 13:06:26,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 13:06:26,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 13:06:26,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 13:06:26,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 13:06:26,275 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 13:06:26,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 13:06:26,276 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 13:06:26,276 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 13:06:26,277 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 13:06:26,277 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 13:06:26,279 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 13:06:26,279 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 [2020-07-20 13:06:26,313 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 13:06:26,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 13:06:26,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 13:06:26,316 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 13:06:26,316 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 13:06:26,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 13:06:26,317 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 13:06:26,317 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 13:06:26,320 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 13:06:26,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 13:06:26,320 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 13:06:26,320 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 13:06:26,321 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 13:06:26,321 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 13:06:26,321 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 13:06:26,321 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 13:06:26,321 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 13:06:26,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 13:06:26,322 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 13:06:26,322 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 13:06:26,324 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 13:06:26,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:06:26,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 13:06:26,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 13:06:26,324 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 13:06:26,325 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 13:06:26,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:06:26,325 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 13:06:26,325 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 13:06:26,325 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 -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 13:06:26,627 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 13:06:26,644 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 13:06:26,649 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 13:06:26,651 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 13:06:26,651 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 13:06:26,652 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector/jain_6-1.c [2020-07-20 13:06:26,735 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/806984b8b/f3e626d9a2174f078abae1bfa146238f/FLAGce1fd27e2 [2020-07-20 13:06:27,242 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 13:06:27,243 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector/jain_6-1.c [2020-07-20 13:06:27,249 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/806984b8b/f3e626d9a2174f078abae1bfa146238f/FLAGce1fd27e2 [2020-07-20 13:06:27,602 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/806984b8b/f3e626d9a2174f078abae1bfa146238f [2020-07-20 13:06:27,610 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 13:06:27,613 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 13:06:27,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 13:06:27,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 13:06:27,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 13:06:27,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:06:27" (1/1) ... [2020-07-20 13:06:27,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a68ac04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:27, skipping insertion in model container [2020-07-20 13:06:27,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:06:27" (1/1) ... [2020-07-20 13:06:27,630 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 13:06:27,648 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 13:06:27,809 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:06:27,813 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 13:06:27,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:06:27,845 INFO L208 MainTranslator]: Completed translation [2020-07-20 13:06:27,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:27 WrapperNode [2020-07-20 13:06:27,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 13:06:27,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 13:06:27,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 13:06:27,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 13:06:27,860 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:27" (1/1) ... [2020-07-20 13:06:27,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:27" (1/1) ... [2020-07-20 13:06:27,865 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:27" (1/1) ... [2020-07-20 13:06:27,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:27" (1/1) ... [2020-07-20 13:06:27,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:27" (1/1) ... [2020-07-20 13:06:27,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:27" (1/1) ... [2020-07-20 13:06:27,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:27" (1/1) ... [2020-07-20 13:06:27,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 13:06:27,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 13:06:27,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 13:06:27,961 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 13:06:27,967 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:27" (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 [2020-07-20 13:06:28,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 13:06:28,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 13:06:28,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-20 13:06:28,036 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 13:06:28,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 13:06:28,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-07-20 13:06:28,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-20 13:06:28,037 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 13:06:28,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 13:06:28,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 13:06:28,191 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 13:06:28,191 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 13:06:28,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:06:28 BoogieIcfgContainer [2020-07-20 13:06:28,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 13:06:28,195 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 13:06:28,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 13:06:28,198 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 13:06:28,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:06:27" (1/3) ... [2020-07-20 13:06:28,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@793cf8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:06:28, skipping insertion in model container [2020-07-20 13:06:28,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:27" (2/3) ... [2020-07-20 13:06:28,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@793cf8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:06:28, skipping insertion in model container [2020-07-20 13:06:28,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:06:28" (3/3) ... [2020-07-20 13:06:28,202 INFO L109 eAbstractionObserver]: Analyzing ICFG jain_6-1.c [2020-07-20 13:06:28,213 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 13:06:28,221 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 13:06:28,235 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 13:06:28,260 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 13:06:28,260 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 13:06:28,260 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 13:06:28,261 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 13:06:28,261 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 13:06:28,261 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 13:06:28,261 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 13:06:28,261 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 13:06:28,281 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2020-07-20 13:06:28,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-20 13:06:28,288 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:06:28,289 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:06:28,289 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:06:28,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:06:28,296 INFO L82 PathProgramCache]: Analyzing trace with hash -13144129, now seen corresponding path program 1 times [2020-07-20 13:06:28,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:06:28,303 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2009295553] [2020-07-20 13:06:28,304 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in