/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/loops/lu.cmp.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 02:20:50,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 02:20:50,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 02:20:50,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-22 02:20:50,227 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 02:20:50,230 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 02:20:50,232 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 02:20:50,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 02:20:50,246 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 02:20:50,247 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 02:20:50,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 02:20:50,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 02:20:50,254 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 02:20:50,255 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 02:20:50,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 02:20:50,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 02:20:50,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-22 02:20:50,270 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 02:20:50,271 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 02:20:50,272 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 02:20:50,273 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-22 02:20:50,286 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 02:20:50,286 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 02:20:50,287 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 02:20:50,288 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 02:20:50,288 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 02:20:50,288 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 02:20:50,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 02:20:50,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 02:20:50,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 02:20:50,289 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 02:20:50,289 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 02:20:50,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 02:20:50,290 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 02:20:50,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 02:20:50,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 02:20:50,290 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 02:20:50,290 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 02:20:50,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 02:20:50,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 02:20:50,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 02:20:50,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 02:20:50,292 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 02:20:50,292 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 02:20:50,292 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 02:20:50,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 02:20:50,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 02:20:50,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 02:20:50,748 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 02:20:50,749 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 02:20:50,750 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/lu.cmp.c [2021-02-22 02:20:50,838 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d7c1e118/518c8d71fae141e991d0a02bf99ffb38/FLAG972cf3d88 [2021-02-22 02:20:51,501 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 02:20:51,502 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/lu.cmp.c [2021-02-22 02:20:51,513 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d7c1e118/518c8d71fae141e991d0a02bf99ffb38/FLAG972cf3d88 [2021-02-22 02:20:51,805 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d7c1e118/518c8d71fae141e991d0a02bf99ffb38 [2021-02-22 02:20:51,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 02:20:51,822 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 02:20:51,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 02:20:51,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 02:20:51,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 02:20:51,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:20:51" (1/1) ... [2021-02-22 02:20:51,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cadaf08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:20:51, skipping insertion in model container [2021-02-22 02:20:51,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:20:51" (1/1) ... [2021-02-22 02:20:51,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 02:20:51,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 02:20:52,082 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/lu.cmp.c[318,331] [2021-02-22 02:20:52,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:20:52,146 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 02:20:52,161 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/lu.cmp.c[318,331] [2021-02-22 02:20:52,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:20:52,240 INFO L208 MainTranslator]: Completed translation [2021-02-22 02:20:52,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:20:52 WrapperNode [2021-02-22 02:20:52,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 02:20:52,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 02:20:52,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 02:20:52,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 02:20:52,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:20:52" (1/1) ... [2021-02-22 02:20:52,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:20:52" (1/1) ... [2021-02-22 02:20:52,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:20:52" (1/1) ... [2021-02-22 02:20:52,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:20:52" (1/1) ... [2021-02-22 02:20:52,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:20:52" (1/1) ... [2021-02-22 02:20:52,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:20:52" (1/1) ... [2021-02-22 02:20:52,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:20:52" (1/1) ... [2021-02-22 02:20:52,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 02:20:52,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 02:20:52,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 02:20:52,316 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 02:20:52,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:20:52" (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 [2021-02-22 02:20:52,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 02:20:52,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 02:20:52,459 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 02:20:52,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-02-22 02:20:52,459 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs [2021-02-22 02:20:52,459 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 02:20:52,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ludcmp [2021-02-22 02:20:52,461 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 02:20:52,461 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 02:20:52,462 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 02:20:52,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 02:20:52,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-02-22 02:20:52,462 INFO L130 BoogieDeclarations]: Found specification of procedure ludcmp [2021-02-22 02:20:52,463 INFO L130 BoogieDeclarations]: Found specification of procedure fabs [2021-02-22 02:20:52,463 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 02:20:52,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-02-22 02:20:52,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-02-22 02:20:52,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 02:20:52,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 02:20:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 02:20:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 02:20:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 02:20:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 02:20:53,425 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 02:20:53,426 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-02-22 02:20:53,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:20:53 BoogieIcfgContainer [2021-02-22 02:20:53,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 02:20:53,430 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 02:20:53,430 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 02:20:53,437 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 02:20:53,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 02:20:51" (1/3) ... [2021-02-22 02:20:53,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ae8c98c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:20:53, skipping insertion in model container [2021-02-22 02:20:53,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:20:52" (2/3) ... [2021-02-22 02:20:53,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ae8c98c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:20:53, skipping insertion in model container [2021-02-22 02:20:53,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:20:53" (3/3) ... [2021-02-22 02:20:53,440 INFO L111 eAbstractionObserver]: Analyzing ICFG lu.cmp.c [2021-02-22 02:20:53,447 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 02:20:53,453 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 02:20:53,474 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 02:20:53,502 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 02:20:53,502 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 02:20:53,502 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 02:20:53,503 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 02:20:53,503 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 02:20:53,503 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 02:20:53,503 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 02:20:53,503 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 02:20:53,524 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2021-02-22 02:20:53,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-02-22 02:20:53,534 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:20:53,535 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] [2021-02-22 02:20:53,535 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:20:53,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:20:53,542 INFO L82 PathProgramCache]: Analyzing trace with hash 177786818, now seen corresponding path program 1 times [2021-02-22 02:20:53,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:20:53,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [736456512] [2021-02-22 02:20:53,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:20:53,636 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:20:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:20:53,811 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:20:53,812 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:20:53,814 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:20:53,815 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:20:53,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:20:53,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:20:53,952 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:20:53,953 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:20:53,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:20:53,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [736456512] [2021-02-22 02:20:53,972 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:20:53,972 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-22 02:20:53,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145323073] [2021-02-22 02:20:53,978 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-22 02:20:53,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:20:53,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-22 02:20:53,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-22 02:20:53,997 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 3 states. [2021-02-22 02:20:54,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:20:54,532 INFO L93 Difference]: Finished difference Result 364 states and 428 transitions. [2021-02-22 02:20:54,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-22 02:20:54,534 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2021-02-22 02:20:54,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:20:54,544 INFO L225 Difference]: With dead ends: 364 [2021-02-22 02:20:54,545 INFO L226 Difference]: Without dead ends: 60 [2021-02-22 02:20:54,552 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-22 02:20:54,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-02-22 02:20:54,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 53. [2021-02-22 02:20:54,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2021-02-22 02:20:54,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 55 transitions. [2021-02-22 02:20:54,609 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 55 transitions. Word has length 35 [2021-02-22 02:20:54,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:20:54,610 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 55 transitions. [2021-02-22 02:20:54,610 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-22 02:20:54,610 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2021-02-22 02:20:54,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-02-22 02:20:54,612 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:20:54,612 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] [2021-02-22 02:20:54,612 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 02:20:54,612 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:20:54,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:20:54,613 INFO L82 PathProgramCache]: Analyzing trace with hash 158392877, now seen corresponding path program 1 times [2021-02-22 02:20:54,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:20:54,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [757171674] [2021-02-22 02:20:54,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:20:54,625 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:20:54,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:20:54,709 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:20:54,710 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:20:54,712 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:20:54,712 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:20:54,724 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:20:54,725 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:20:54,733 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:20:54,733 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:20:54,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:20:54,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:20:54,802 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:20:54,802 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:20:54,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:20:54,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [757171674] [2021-02-22 02:20:54,809 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:20:54,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-22 02:20:54,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625339881] [2021-02-22 02:20:54,811 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-22 02:20:54,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:20:54,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-22 02:20:54,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-22 02:20:54,812 INFO L87 Difference]: Start difference. First operand 53 states and 55 transitions. Second operand 5 states. [2021-02-22 02:20:55,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:20:55,091 INFO L93 Difference]: Finished difference Result 95 states and 102 transitions. [2021-02-22 02:20:55,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-22 02:20:55,092 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2021-02-22 02:20:55,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:20:55,094 INFO L225 Difference]: With dead ends: 95 [2021-02-22 02:20:55,094 INFO L226 Difference]: Without dead ends: 69 [2021-02-22 02:20:55,096 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-22 02:20:55,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-02-22 02:20:55,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 54. [2021-02-22 02:20:55,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2021-02-22 02:20:55,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions. [2021-02-22 02:20:55,110 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 56 transitions. Word has length 35 [2021-02-22 02:20:55,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:20:55,111 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 56 transitions. [2021-02-22 02:20:55,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-22 02:20:55,111 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions. [2021-02-22 02:20:55,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-02-22 02:20:55,113 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:20:55,113 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] [2021-02-22 02:20:55,114 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-22 02:20:55,114 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:20:55,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:20:55,115 INFO L82 PathProgramCache]: Analyzing trace with hash 718523448, now seen corresponding path program 1 times [2021-02-22 02:20:55,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:20:55,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1792887199] [2021-02-22 02:20:55,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:20:55,141 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:20:55,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:20:55,158 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:20:55,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-22 02:20:55,161 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-02-22 02:20:55,186 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:20:55,187 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-22 02:20:55,188 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:20:55,189 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:20:55,189 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:20:55,190 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:20:55,190 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-22 02:20:55,195 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:20:55,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:20:55,197 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:20:55,197 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-02-22 02:20:55,197 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:7 [2021-02-22 02:20:55,202 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: cannot bring into simultaneous update form #memory_int's outvar occurs in several conjuncts [(= v_main_~j~0_13 (+ v_main_~j~0_14 1)), (= |v_#memory_int_25| (store |v_#memory_int_26| |v_~#a~0.base_23| (let ((.cse0 (+ |v_~#a~0.offset_22| (* v_main_~i~0_16 400) (* v_main_~j~0_14 8)))) (store (select |v_#memory_int_26| |v_~#a~0.base_23|) .cse0 (select (select |v_#memory_int_25| |v_~#a~0.base_23|) .cse0))))), (= (store |v_#memory_real_52| |v_~#a~0.base_23| (store (select |v_#memory_real_52| |v_~#a~0.base_23|) (+ |v_~#a~0.offset_22| (* v_main_~i~0_16 400) (* v_main_~j~0_14 8)) v_~convertINTToDOUBLE_7)) |v_#memory_real_51|), (<= v_main_~j~0_14 v_main_~n~0_8), (> v_main_~i~0_16 v_main_~j~0_14)] at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.SimultaneousUpdate.(SimultaneousUpdate.java:107) at de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.werner.LoopAcceleratorLite.calculateSymbolicMemory(LoopAcceleratorLite.java:167) at de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.werner.LoopAcceleratorLite.summarizeLoop(LoopAcceleratorLite.java:105) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.loopaccelerator.AcceleratorWernerOverapprox.accelerateLoop(AcceleratorWernerOverapprox.java:52) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolationCore.acceleratedInterpolationCoreIsCorrect(AcceleratedInterpolationCore.java:183) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.(AcceleratedInterpolation.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:241) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:437) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:62) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateAllErrorsAtOnce(TraceAbstractionStarter.java:317) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-02-22 02:20:55,206 INFO L168 Benchmark]: Toolchain (without parser) took 3395.17 ms. Allocated memory was 151.0 MB in the beginning and 196.1 MB in the end (delta: 45.1 MB). Free memory was 127.6 MB in the beginning and 89.5 MB in the end (delta: 38.1 MB). Peak memory consumption was 83.9 MB. Max. memory is 8.0 GB. [2021-02-22 02:20:55,207 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 124.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 02:20:55,208 INFO L168 Benchmark]: CACSL2BoogieTranslator took 412.65 ms. Allocated memory is still 151.0 MB. Free memory was 126.5 MB in the beginning and 114.2 MB in the end (delta: 12.2 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-02-22 02:20:55,209 INFO L168 Benchmark]: Boogie Preprocessor took 69.21 ms. Allocated memory is still 151.0 MB. Free memory was 114.2 MB in the beginning and 111.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-02-22 02:20:55,210 INFO L168 Benchmark]: RCFGBuilder took 1113.02 ms. Allocated memory is still 151.0 MB. Free memory was 111.9 MB in the beginning and 112.1 MB in the end (delta: -141.9 kB). Peak memory consumption was 21.5 MB. Max. memory is 8.0 GB. [2021-02-22 02:20:55,211 INFO L168 Benchmark]: TraceAbstraction took 1774.79 ms. Allocated memory was 151.0 MB in the beginning and 196.1 MB in the end (delta: 45.1 MB). Free memory was 111.5 MB in the beginning and 89.5 MB in the end (delta: 22.0 MB). Peak memory consumption was 68.7 MB. Max. memory is 8.0 GB. [2021-02-22 02:20:55,215 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 124.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 412.65 ms. Allocated memory is still 151.0 MB. Free memory was 126.5 MB in the beginning and 114.2 MB in the end (delta: 12.2 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 69.21 ms. Allocated memory is still 151.0 MB. Free memory was 114.2 MB in the beginning and 111.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1113.02 ms. Allocated memory is still 151.0 MB. Free memory was 111.9 MB in the beginning and 112.1 MB in the end (delta: -141.9 kB). Peak memory consumption was 21.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1774.79 ms. Allocated memory was 151.0 MB in the beginning and 196.1 MB in the end (delta: 45.1 MB). Free memory was 111.5 MB in the beginning and 89.5 MB in the end (delta: 22.0 MB). Peak memory consumption was 68.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: cannot bring into simultaneous update form #memory_int's outvar occurs in several conjuncts [(= v_main_~j~0_13 (+ v_main_~j~0_14 1)), (= |v_#memory_int_25| (store |v_#memory_int_26| |v_~#a~0.base_23| (let ((.cse0 (+ |v_~#a~0.offset_22| (* v_main_~i~0_16 400) (* v_main_~j~0_14 8)))) (store (select |v_#memory_int_26| |v_~#a~0.base_23|) .cse0 (select (select |v_#memory_int_25| |v_~#a~0.base_23|) .cse0))))), (= (store |v_#memory_real_52| |v_~#a~0.base_23| (store (select |v_#memory_real_52| |v_~#a~0.base_23|) (+ |v_~#a~0.offset_22| (* v_main_~i~0_16 400) (* v_main_~j~0_14 8)) v_~convertINTToDOUBLE_7)) |v_#memory_real_51|), (<= v_main_~j~0_14 v_main_~n~0_8), (> v_main_~i~0_16 v_main_~j~0_14)] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: cannot bring into simultaneous update form #memory_int's outvar occurs in several conjuncts [(= v_main_~j~0_13 (+ v_main_~j~0_14 1)), (= |v_#memory_int_25| (store |v_#memory_int_26| |v_~#a~0.base_23| (let ((.cse0 (+ |v_~#a~0.offset_22| (* v_main_~i~0_16 400) (* v_main_~j~0_14 8)))) (store (select |v_#memory_int_26| |v_~#a~0.base_23|) .cse0 (select (select |v_#memory_int_25| |v_~#a~0.base_23|) .cse0))))), (= (store |v_#memory_real_52| |v_~#a~0.base_23| (store (select |v_#memory_real_52| |v_~#a~0.base_23|) (+ |v_~#a~0.offset_22| (* v_main_~i~0_16 400) (* v_main_~j~0_14 8)) v_~convertINTToDOUBLE_7)) |v_#memory_real_51|), (<= v_main_~j~0_14 v_main_~n~0_8), (> v_main_~i~0_16 v_main_~j~0_14)]: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.SimultaneousUpdate.(SimultaneousUpdate.java:107) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...