/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/ldv-regression/test25-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 01:57:48,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 01:57:48,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 01:57:48,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-22 01:57:48,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 01:57:48,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 01:57:48,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 01:57:48,368 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 01:57:48,371 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 01:57:48,372 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 01:57:48,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 01:57:48,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 01:57:48,389 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 01:57:48,391 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 01:57:48,393 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 01:57:48,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 01:57:48,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-22 01:57:48,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 01:57:48,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 01:57:48,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 01:57:48,423 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 01:57:48,450 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 01:57:48,451 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 01:57:48,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 01:57:48,456 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 01:57:48,456 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 01:57:48,456 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 01:57:48,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 01:57:48,456 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 01:57:48,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 01:57:48,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 01:57:48,458 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 01:57:48,458 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 01:57:48,459 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 01:57:48,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 01:57:48,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 01:57:48,460 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 01:57:48,460 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 01:57:48,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 01:57:48,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 01:57:48,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 01:57:48,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 01:57:48,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 01:57:48,461 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 01:57:48,461 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 01:57:48,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 01:57:48,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 01:57:48,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 01:57:48,918 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 01:57:48,918 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 01:57:48,920 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test25-2.c [2021-02-22 01:57:48,995 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff53646ba/85b16c4bafa34ccc87b0ae31c3da8096/FLAG8f8bd04d9 [2021-02-22 01:57:49,536 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 01:57:49,537 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test25-2.c [2021-02-22 01:57:49,545 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff53646ba/85b16c4bafa34ccc87b0ae31c3da8096/FLAG8f8bd04d9 [2021-02-22 01:57:49,867 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff53646ba/85b16c4bafa34ccc87b0ae31c3da8096 [2021-02-22 01:57:49,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 01:57:49,884 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 01:57:49,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 01:57:49,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 01:57:49,891 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 01:57:49,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 01:57:49" (1/1) ... [2021-02-22 01:57:49,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9864a43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:57:49, skipping insertion in model container [2021-02-22 01:57:49,893 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 01:57:49" (1/1) ... [2021-02-22 01:57:49,902 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 01:57:49,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 01:57:50,098 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test25-2.c[949,962] [2021-02-22 01:57:50,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 01:57:50,113 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 01:57:50,156 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test25-2.c[949,962] [2021-02-22 01:57:50,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 01:57:50,182 INFO L208 MainTranslator]: Completed translation [2021-02-22 01:57:50,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:57:50 WrapperNode [2021-02-22 01:57:50,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 01:57:50,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 01:57:50,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 01:57:50,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 01:57:50,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:57:50" (1/1) ... [2021-02-22 01:57:50,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:57:50" (1/1) ... [2021-02-22 01:57:50,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:57:50" (1/1) ... [2021-02-22 01:57:50,206 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:57:50" (1/1) ... [2021-02-22 01:57:50,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:57:50" (1/1) ... [2021-02-22 01:57:50,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:57:50" (1/1) ... [2021-02-22 01:57:50,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:57:50" (1/1) ... [2021-02-22 01:57:50,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 01:57:50,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 01:57:50,228 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 01:57:50,228 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 01:57:50,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:57:50" (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 01:57:50,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 01:57:50,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 01:57:50,334 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 01:57:50,334 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2021-02-22 01:57:50,334 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 01:57:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 01:57:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 01:57:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 01:57:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 01:57:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-22 01:57:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure check [2021-02-22 01:57:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-22 01:57:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 01:57:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 01:57:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 01:57:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-22 01:57:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 01:57:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 01:57:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 01:57:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 01:57:50,827 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 01:57:50,828 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-02-22 01:57:50,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 01:57:50 BoogieIcfgContainer [2021-02-22 01:57:50,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 01:57:50,839 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 01:57:50,839 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 01:57:50,847 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 01:57:50,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 01:57:49" (1/3) ... [2021-02-22 01:57:50,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55c7ffff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 01:57:50, skipping insertion in model container [2021-02-22 01:57:50,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:57:50" (2/3) ... [2021-02-22 01:57:50,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55c7ffff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 01:57:50, skipping insertion in model container [2021-02-22 01:57:50,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 01:57:50" (3/3) ... [2021-02-22 01:57:50,858 INFO L111 eAbstractionObserver]: Analyzing ICFG test25-2.c [2021-02-22 01:57:50,877 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 01:57:50,889 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 01:57:50,936 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 01:57:50,966 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 01:57:50,966 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 01:57:50,967 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 01:57:50,967 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 01:57:50,967 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 01:57:50,967 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 01:57:50,967 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 01:57:50,967 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 01:57:50,986 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states. [2021-02-22 01:57:50,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-02-22 01:57:50,998 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:57:50,999 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:57:51,000 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:57:51,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:57:51,007 INFO L82 PathProgramCache]: Analyzing trace with hash 847318891, now seen corresponding path program 1 times [2021-02-22 01:57:51,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:57:51,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2111040740] [2021-02-22 01:57:51,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:57:51,101 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:57:51,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:57:51,246 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:51,248 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:57:51,249 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:51,249 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:57:51,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:57:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:57:51,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:51,344 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:57:51,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-02-22 01:57:51,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:57:51,371 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:51,372 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:57:51,386 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 01:57:51,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2111040740] [2021-02-22 01:57:51,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:57:51,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-22 01:57:51,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658687815] [2021-02-22 01:57:51,398 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-22 01:57:51,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:57:51,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-22 01:57:51,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-22 01:57:51,417 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 3 states. [2021-02-22 01:57:51,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:57:51,712 INFO L93 Difference]: Finished difference Result 130 states and 140 transitions. [2021-02-22 01:57:51,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-22 01:57:51,714 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2021-02-22 01:57:51,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:57:51,730 INFO L225 Difference]: With dead ends: 130 [2021-02-22 01:57:51,730 INFO L226 Difference]: Without dead ends: 65 [2021-02-22 01:57:51,736 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 01:57:51,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-02-22 01:57:51,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-02-22 01:57:51,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2021-02-22 01:57:51,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 66 transitions. [2021-02-22 01:57:51,806 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 66 transitions. Word has length 49 [2021-02-22 01:57:51,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:57:51,807 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 66 transitions. [2021-02-22 01:57:51,807 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-22 01:57:51,808 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2021-02-22 01:57:51,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-02-22 01:57:51,811 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:57:51,812 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:57:51,813 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 01:57:51,813 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:57:51,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:57:51,814 INFO L82 PathProgramCache]: Analyzing trace with hash -1728113038, now seen corresponding path program 1 times [2021-02-22 01:57:51,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:57:51,815 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1788243200] [2021-02-22 01:57:51,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:57:51,833 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:57:51,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:57:51,904 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:51,905 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:57:51,905 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:51,906 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:57:51,910 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:51,911 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:57:51,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:57:51,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:57:51,956 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:51,957 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:57:51,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-02-22 01:57:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:57:51,966 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:51,966 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:57:51,974 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 01:57:51,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1788243200] [2021-02-22 01:57:51,975 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:57:51,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-22 01:57:51,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450091024] [2021-02-22 01:57:51,977 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-22 01:57:51,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:57:51,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-22 01:57:51,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-22 01:57:51,978 INFO L87 Difference]: Start difference. First operand 65 states and 66 transitions. Second operand 4 states. [2021-02-22 01:57:52,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:57:52,150 INFO L93 Difference]: Finished difference Result 109 states and 111 transitions. [2021-02-22 01:57:52,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-22 01:57:52,150 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2021-02-22 01:57:52,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:57:52,152 INFO L225 Difference]: With dead ends: 109 [2021-02-22 01:57:52,152 INFO L226 Difference]: Without dead ends: 74 [2021-02-22 01:57:52,154 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-22 01:57:52,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-02-22 01:57:52,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 66. [2021-02-22 01:57:52,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2021-02-22 01:57:52,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 67 transitions. [2021-02-22 01:57:52,169 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 67 transitions. Word has length 51 [2021-02-22 01:57:52,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:57:52,169 INFO L480 AbstractCegarLoop]: Abstraction has 66 states and 67 transitions. [2021-02-22 01:57:52,170 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-22 01:57:52,170 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 67 transitions. [2021-02-22 01:57:52,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-02-22 01:57:52,172 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:57:52,172 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:57:52,173 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-22 01:57:52,173 INFO L428 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:57:52,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:57:52,174 INFO L82 PathProgramCache]: Analyzing trace with hash 223289900, now seen corresponding path program 1 times [2021-02-22 01:57:52,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:57:52,174 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [589010928] [2021-02-22 01:57:52,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:57:52,224 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:52,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:57:52,243 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:52,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:57:52,244 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:52,245 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-22 01:57:52,246 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:57:52,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:57:52,250 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:52,251 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-02-22 01:57:52,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:57:52,256 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:52,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:57:52,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:52,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-22 01:57:52,259 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:57:52,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:57:52,260 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:52,261 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-02-22 01:57:52,263 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-02-22 01:57:52,284 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_12|, |v_#memory_$Pointer$.base_12|], 2=[|v_#memory_$Pointer$.base_16|, |v_#memory_$Pointer$.offset_16|]} [2021-02-22 01:57:52,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:52,298 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-22 01:57:52,298 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:52,299 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:57:52,300 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:52,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:57:52,300 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-22 01:57:52,336 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:52,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:52,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-22 01:57:52,344 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:52,344 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:57:52,345 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:52,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:57:52,346 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-22 01:57:52,370 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:52,375 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:52,376 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-22 01:57:52,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:52,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:57:52,378 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:52,379 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:57:52,379 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-22 01:57:52,416 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:52,419 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:52,421 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-22 01:57:52,422 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:52,423 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:57:52,424 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:52,425 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:57:52,425 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-02-22 01:57:52,439 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:52,446 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:57:52,448 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-22 01:57:52,449 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-02-22 01:57:52,449 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:116, output treesize:20 [2021-02-22 01:57:52,458 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_$Pointer$.base's outvar occurs in several conjuncts [(= (store |v_#memory_$Pointer$.base_16| |v_main_~#array~0.base_10| (let ((.cse0 (+ (* v_main_~j~0_9 8) |v_main_~#array~0.offset_10| 4))) (store (select |v_#memory_$Pointer$.base_16| |v_main_~#array~0.base_10|) .cse0 (select (select |v_#memory_$Pointer$.base_12| |v_main_~#array~0.base_10|) .cse0)))) |v_#memory_$Pointer$.base_12|), (<= |v_main_#t~nondet12_5| 2147483647), (= |v_#memory_int_15| (store |v_#memory_int_17| |v_main_~#array~0.base_10| (let ((.cse0 (* v_main_~j~0_9 8))) (store (store (select |v_#memory_int_17| |v_main_~#array~0.base_10|) (+ .cse0 |v_main_~#array~0.offset_10|) |v_main_#t~nondet11_5|) (+ .cse0 |v_main_~#array~0.offset_10| 4) |v_main_#t~nondet12_5|)))), (= (+ v_main_~j~0_9 1) v_main_~j~0_8), (<= 0 (+ |v_main_#t~nondet11_5| 2147483648)), (= (store |v_#memory_$Pointer$.base_14| |v_main_~#array~0.base_10| (let ((.cse0 (+ (* v_main_~j~0_9 8) |v_main_~#array~0.offset_10|))) (store (select |v_#memory_$Pointer$.base_14| |v_main_~#array~0.base_10|) .cse0 (select (select |v_#memory_$Pointer$.base_16| |v_main_~#array~0.base_10|) .cse0)))) |v_#memory_$Pointer$.base_16|), (= (store |v_#memory_$Pointer$.offset_14| |v_main_~#array~0.base_10| (let ((.cse0 (+ (* v_main_~j~0_9 8) |v_main_~#array~0.offset_10|))) (store (select |v_#memory_$Pointer$.offset_14| |v_main_~#array~0.base_10|) .cse0 (select (select |v_#memory_$Pointer$.offset_16| |v_main_~#array~0.base_10|) .cse0)))) |v_#memory_$Pointer$.offset_16|), (= (store |v_#memory_$Pointer$.offset_16| |v_main_~#array~0.base_10| (let ((.cse0 (+ (* v_main_~j~0_9 8) |v_main_~#array~0.offset_10| 4))) (store (select |v_#memory_$Pointer$.offset_16| |v_main_~#array~0.base_10|) .cse0 (select (select |v_#memory_$Pointer$.offset_12| |v_main_~#array~0.base_10|) .cse0)))) |v_#memory_$Pointer$.offset_12|), (<= |v_main_#t~nondet11_5| 2147483647), (< v_main_~j~0_9 10), (<= 0 (+ |v_main_#t~nondet12_5| 2147483648))] 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-02-22 01:57:52,466 INFO L168 Benchmark]: Toolchain (without parser) took 2593.24 ms. Allocated memory is still 160.4 MB. Free memory was 137.1 MB in the beginning and 79.5 MB in the end (delta: 57.6 MB). Peak memory consumption was 59.8 MB. Max. memory is 8.0 GB. [2021-02-22 01:57:52,467 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 160.4 MB. Free memory is still 133.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 01:57:52,472 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.63 ms. Allocated memory is still 160.4 MB. Free memory was 136.0 MB in the beginning and 126.0 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-02-22 01:57:52,473 INFO L168 Benchmark]: Boogie Preprocessor took 43.06 ms. Allocated memory is still 160.4 MB. Free memory was 125.8 MB in the beginning and 124.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-02-22 01:57:52,476 INFO L168 Benchmark]: RCFGBuilder took 606.02 ms. Allocated memory is still 160.4 MB. Free memory was 124.1 MB in the beginning and 132.8 MB in the end (delta: -8.7 MB). Peak memory consumption was 15.9 MB. Max. memory is 8.0 GB. [2021-02-22 01:57:52,481 INFO L168 Benchmark]: TraceAbstraction took 1625.40 ms. Allocated memory is still 160.4 MB. Free memory was 132.2 MB in the beginning and 79.5 MB in the end (delta: 52.7 MB). Peak memory consumption was 54.3 MB. Max. memory is 8.0 GB. [2021-02-22 01:57:52,489 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 160.4 MB. Free memory is still 133.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 296.63 ms. Allocated memory is still 160.4 MB. Free memory was 136.0 MB in the beginning and 126.0 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 43.06 ms. Allocated memory is still 160.4 MB. Free memory was 125.8 MB in the beginning and 124.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 606.02 ms. Allocated memory is still 160.4 MB. Free memory was 124.1 MB in the beginning and 132.8 MB in the end (delta: -8.7 MB). Peak memory consumption was 15.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1625.40 ms. Allocated memory is still 160.4 MB. Free memory was 132.2 MB in the beginning and 79.5 MB in the end (delta: 52.7 MB). Peak memory consumption was 54.3 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_$Pointer$.base's outvar occurs in several conjuncts [(= (store |v_#memory_$Pointer$.base_16| |v_main_~#array~0.base_10| (let ((.cse0 (+ (* v_main_~j~0_9 8) |v_main_~#array~0.offset_10| 4))) (store (select |v_#memory_$Pointer$.base_16| |v_main_~#array~0.base_10|) .cse0 (select (select |v_#memory_$Pointer$.base_12| |v_main_~#array~0.base_10|) .cse0)))) |v_#memory_$Pointer$.base_12|), (<= |v_main_#t~nondet12_5| 2147483647), (= |v_#memory_int_15| (store |v_#memory_int_17| |v_main_~#array~0.base_10| (let ((.cse0 (* v_main_~j~0_9 8))) (store (store (select |v_#memory_int_17| |v_main_~#array~0.base_10|) (+ .cse0 |v_main_~#array~0.offset_10|) |v_main_#t~nondet11_5|) (+ .cse0 |v_main_~#array~0.offset_10| 4) |v_main_#t~nondet12_5|)))), (= (+ v_main_~j~0_9 1) v_main_~j~0_8), (<= 0 (+ |v_main_#t~nondet11_5| 2147483648)), (= (store |v_#memory_$Pointer$.base_14| |v_main_~#array~0.base_10| (let ((.cse0 (+ (* v_main_~j~0_9 8) |v_main_~#array~0.offset_10|))) (store (select |v_#memory_$Pointer$.base_14| |v_main_~#array~0.base_10|) .cse0 (select (select |v_#memory_$Pointer$.base_16| |v_main_~#array~0.base_10|) .cse0)))) |v_#memory_$Pointer$.base_16|), (= (store |v_#memory_$Pointer$.offset_14| |v_main_~#array~0.base_10| (let ((.cse0 (+ (* v_main_~j~0_9 8) |v_main_~#array~0.offset_10|))) (store (select |v_#memory_$Pointer$.offset_14| |v_main_~#array~0.base_10|) .cse0 (select (select |v_#memory_$Pointer$.offset_16| |v_main_~#array~0.base_10|) .cse0)))) |v_#memory_$Pointer$.offset_16|), (= (store |v_#memory_$Pointer$.offset_16| |v_main_~#array~0.base_10| (let ((.cse0 (+ (* v_main_~j~0_9 8) |v_main_~#array~0.offset_10| 4))) (store (select |v_#memory_$Pointer$.offset_16| |v_main_~#array~0.base_10|) .cse0 (select (select |v_#memory_$Pointer$.offset_12| |v_main_~#array~0.base_10|) .cse0)))) |v_#memory_$Pointer$.offset_12|), (<= |v_main_#t~nondet11_5| 2147483647), (< v_main_~j~0_9 10), (<= 0 (+ |v_main_#t~nondet12_5| 2147483648))] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: cannot bring into simultaneous update form #memory_$Pointer$.base's outvar occurs in several conjuncts [(= (store |v_#memory_$Pointer$.base_16| |v_main_~#array~0.base_10| (let ((.cse0 (+ (* v_main_~j~0_9 8) |v_main_~#array~0.offset_10| 4))) (store (select |v_#memory_$Pointer$.base_16| |v_main_~#array~0.base_10|) .cse0 (select (select |v_#memory_$Pointer$.base_12| |v_main_~#array~0.base_10|) .cse0)))) |v_#memory_$Pointer$.base_12|), (<= |v_main_#t~nondet12_5| 2147483647), (= |v_#memory_int_15| (store |v_#memory_int_17| |v_main_~#array~0.base_10| (let ((.cse0 (* v_main_~j~0_9 8))) (store (store (select |v_#memory_int_17| |v_main_~#array~0.base_10|) (+ .cse0 |v_main_~#array~0.offset_10|) |v_main_#t~nondet11_5|) (+ .cse0 |v_main_~#array~0.offset_10| 4) |v_main_#t~nondet12_5|)))), (= (+ v_main_~j~0_9 1) v_main_~j~0_8), (<= 0 (+ |v_main_#t~nondet11_5| 2147483648)), (= (store |v_#memory_$Pointer$.base_14| |v_main_~#array~0.base_10| (let ((.cse0 (+ (* v_main_~j~0_9 8) |v_main_~#array~0.offset_10|))) (store (select |v_#memory_$Pointer$.base_14| |v_main_~#array~0.base_10|) .cse0 (select (select |v_#memory_$Pointer$.base_16| |v_main_~#array~0.base_10|) .cse0)))) |v_#memory_$Pointer$.base_16|), (= (store |v_#memory_$Pointer$.offset_14| |v_main_~#array~0.base_10| (let ((.cse0 (+ (* v_main_~j~0_9 8) |v_main_~#array~0.offset_10|))) (store (select |v_#memory_$Pointer$.offset_14| |v_main_~#array~0.base_10|) .cse0 (select (select |v_#memory_$Pointer$.offset_16| |v_main_~#array~0.base_10|) .cse0)))) |v_#memory_$Pointer$.offset_16|), (= (store |v_#memory_$Pointer$.offset_16| |v_main_~#array~0.base_10| (let ((.cse0 (+ (* v_main_~j~0_9 8) |v_main_~#array~0.offset_10| 4))) (store (select |v_#memory_$Pointer$.offset_16| |v_main_~#array~0.base_10|) .cse0 (select (select |v_#memory_$Pointer$.offset_12| |v_main_~#array~0.base_10|) .cse0)))) |v_#memory_$Pointer$.offset_12|), (<= |v_main_#t~nondet11_5| 2147483647), (< v_main_~j~0_9 10), (<= 0 (+ |v_main_#t~nondet12_5| 2147483648))]: 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...