/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-36cd7be [2021-02-24 04:22:55,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 04:22:55,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 04:22:55,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-24 04:22:55,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 04:22:55,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 04:22:55,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 04:22:55,262 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-24 04:22:55,283 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 04:22:55,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 04:22:55,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 04:22:55,289 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 04:22:55,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 04:22:55,290 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 04:22:55,290 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 04:22:55,290 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 04:22:55,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 04:22:55,291 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 04:22:55,293 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 04:22:55,293 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 04:22:55,293 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 04:22:55,293 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 04:22:55,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 04:22:55,294 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 04:22:55,294 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 04:22:55,294 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 04:22:55,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 04:22:55,295 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 04:22:55,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 04:22:55,295 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 04:22:55,295 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-24 04:22:55,296 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-24 04:22:55,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 04:22:55,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 04:22:55,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 04:22:55,856 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 04:22:55,857 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 04:22:55,858 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test25-2.c [2021-02-24 04:22:55,944 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f28e83d2/dbe3f26e596847db88d82285baf5a87d/FLAGdbe5f5508 [2021-02-24 04:22:56,618 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 04:22:56,619 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test25-2.c [2021-02-24 04:22:56,627 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f28e83d2/dbe3f26e596847db88d82285baf5a87d/FLAGdbe5f5508 [2021-02-24 04:22:56,645 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f28e83d2/dbe3f26e596847db88d82285baf5a87d [2021-02-24 04:22:56,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 04:22:56,660 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 04:22:56,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 04:22:56,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 04:22:56,667 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 04:22:56,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:22:56" (1/1) ... [2021-02-24 04:22:56,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cb5d030 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:22:56, skipping insertion in model container [2021-02-24 04:22:56,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:22:56" (1/1) ... [2021-02-24 04:22:56,680 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 04:22:56,698 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 04:22:56,899 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] [2021-02-24 04:22:56,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:22:56,914 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 04:22:56,936 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] [2021-02-24 04:22:56,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:22:56,956 INFO L208 MainTranslator]: Completed translation [2021-02-24 04:22:56,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:22:56 WrapperNode [2021-02-24 04:22:56,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 04:22:56,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 04:22:56,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 04:22:56,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 04:22:56,975 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:22:56" (1/1) ... [2021-02-24 04:22:56,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:22:56" (1/1) ... [2021-02-24 04:22:56,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:22:56" (1/1) ... [2021-02-24 04:22:56,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:22:56" (1/1) ... [2021-02-24 04:22:56,997 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:22:56" (1/1) ... [2021-02-24 04:22:57,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:22:56" (1/1) ... [2021-02-24 04:22:57,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:22:56" (1/1) ... [2021-02-24 04:22:57,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 04:22:57,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 04:22:57,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 04:22:57,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 04:22:57,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:22:56" (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 [2021-02-24 04:22:57,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 04:22:57,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 04:22:57,142 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 04:22:57,142 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2021-02-24 04:22:57,142 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 04:22:57,142 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 04:22:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 04:22:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 04:22:57,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 04:22:57,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 04:22:57,145 INFO L130 BoogieDeclarations]: Found specification of procedure check [2021-02-24 04:22:57,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-24 04:22:57,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 04:22:57,146 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 04:22:57,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 04:22:57,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-24 04:22:57,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 04:22:57,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 04:22:57,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 04:22:57,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 04:22:57,736 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 04:22:57,737 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-02-24 04:22:57,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:22:57 BoogieIcfgContainer [2021-02-24 04:22:57,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 04:22:57,741 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 04:22:57,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 04:22:57,745 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 04:22:57,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 04:22:56" (1/3) ... [2021-02-24 04:22:57,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72798435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:22:57, skipping insertion in model container [2021-02-24 04:22:57,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:22:56" (2/3) ... [2021-02-24 04:22:57,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72798435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:22:57, skipping insertion in model container [2021-02-24 04:22:57,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:22:57" (3/3) ... [2021-02-24 04:22:57,749 INFO L111 eAbstractionObserver]: Analyzing ICFG test25-2.c [2021-02-24 04:22:57,757 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 04:22:57,764 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 04:22:57,789 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 04:22:57,820 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 04:22:57,820 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 04:22:57,820 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-24 04:22:57,821 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 04:22:57,821 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 04:22:57,821 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 04:22:57,821 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 04:22:57,821 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 04:22:57,843 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states. [2021-02-24 04:22:57,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-02-24 04:22:57,858 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:22:57,859 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] [2021-02-24 04:22:57,860 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:22:57,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:22:57,868 INFO L82 PathProgramCache]: Analyzing trace with hash 847318891, now seen corresponding path program 1 times [2021-02-24 04:22:57,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:22:57,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1259208372] [2021-02-24 04:22:57,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:22:57,992 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:22:58,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:22:58,253 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:58,255 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:22:58,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:58,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:22:58,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:22:58,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:22:58,322 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:58,323 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:22:58,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-02-24 04:22:58,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:22:58,340 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:58,341 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:22:58,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 04:22:58,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1259208372] [2021-02-24 04:22:58,358 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:22:58,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-24 04:22:58,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534003890] [2021-02-24 04:22:58,366 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-24 04:22:58,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:22:58,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-24 04:22:58,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-24 04:22:58,391 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 3 states. [2021-02-24 04:22:58,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:22:58,637 INFO L93 Difference]: Finished difference Result 130 states and 140 transitions. [2021-02-24 04:22:58,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-24 04:22:58,642 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2021-02-24 04:22:58,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:22:58,657 INFO L225 Difference]: With dead ends: 130 [2021-02-24 04:22:58,657 INFO L226 Difference]: Without dead ends: 65 [2021-02-24 04:22:58,665 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 [2021-02-24 04:22:58,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-02-24 04:22:58,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-02-24 04:22:58,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2021-02-24 04:22:58,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 66 transitions. [2021-02-24 04:22:58,764 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 66 transitions. Word has length 49 [2021-02-24 04:22:58,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:22:58,767 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 66 transitions. [2021-02-24 04:22:58,767 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-24 04:22:58,767 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2021-02-24 04:22:58,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-02-24 04:22:58,770 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:22:58,772 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] [2021-02-24 04:22:58,772 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 04:22:58,773 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:22:58,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:22:58,774 INFO L82 PathProgramCache]: Analyzing trace with hash -1728113038, now seen corresponding path program 1 times [2021-02-24 04:22:58,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:22:58,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [181971112] [2021-02-24 04:22:58,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:22:58,783 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:22:58,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:22:58,936 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:58,939 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:22:58,943 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:58,945 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:22:58,952 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:58,954 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:22:58,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:22:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:22:59,035 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:59,039 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:22:59,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-02-24 04:22:59,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:22:59,060 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:59,061 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:22:59,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 04:22:59,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [181971112] [2021-02-24 04:22:59,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:22:59,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-24 04:22:59,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22030345] [2021-02-24 04:22:59,100 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-24 04:22:59,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:22:59,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-24 04:22:59,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-24 04:22:59,105 INFO L87 Difference]: Start difference. First operand 65 states and 66 transitions. Second operand 4 states. [2021-02-24 04:22:59,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:22:59,385 INFO L93 Difference]: Finished difference Result 109 states and 111 transitions. [2021-02-24 04:22:59,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-24 04:22:59,386 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2021-02-24 04:22:59,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:22:59,388 INFO L225 Difference]: With dead ends: 109 [2021-02-24 04:22:59,388 INFO L226 Difference]: Without dead ends: 74 [2021-02-24 04:22:59,390 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 [2021-02-24 04:22:59,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-02-24 04:22:59,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 66. [2021-02-24 04:22:59,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2021-02-24 04:22:59,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 67 transitions. [2021-02-24 04:22:59,407 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 67 transitions. Word has length 51 [2021-02-24 04:22:59,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:22:59,408 INFO L480 AbstractCegarLoop]: Abstraction has 66 states and 67 transitions. [2021-02-24 04:22:59,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-24 04:22:59,408 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 67 transitions. [2021-02-24 04:22:59,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-02-24 04:22:59,411 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:22:59,411 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] [2021-02-24 04:22:59,411 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-24 04:22:59,412 INFO L428 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:22:59,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:22:59,413 INFO L82 PathProgramCache]: Analyzing trace with hash 223289900, now seen corresponding path program 1 times [2021-02-24 04:22:59,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:22:59,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [477805723] [2021-02-24 04:22:59,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:22:59,464 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:59,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:22:59,488 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:59,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:22:59,490 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:59,492 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 04:22:59,493 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 04:22:59,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:22:59,498 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:59,499 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-02-24 04:22:59,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:22:59,507 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:59,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:22:59,509 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:59,511 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 04:22:59,513 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 04:22:59,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:22:59,515 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:59,516 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-02-24 04:22:59,522 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-02-24 04:22:59,555 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|]} [2021-02-24 04:22:59,575 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:59,578 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 04:22:59,579 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:59,580 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:22:59,582 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:59,582 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:22:59,583 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-24 04:22:59,636 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:59,643 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:59,644 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 04:22:59,645 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:59,646 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:22:59,647 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:59,648 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:22:59,648 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-24 04:22:59,684 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:59,690 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:59,692 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-24 04:22:59,694 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:59,695 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:22:59,696 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:59,698 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:22:59,698 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-24 04:22:59,735 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:59,739 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:59,741 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-24 04:22:59,743 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:59,744 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:22:59,745 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:59,746 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:22:59,747 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-02-24 04:22:59,762 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:59,769 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:22:59,772 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-24 04:22:59,772 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-02-24 04:22:59,773 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:116, output treesize:20 [2021-02-24 04:22:59,780 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-02-24 04:22:59,792 INFO L168 Benchmark]: Toolchain (without parser) took 3140.53 ms. Allocated memory was 157.3 MB in the beginning and 188.7 MB in the end (delta: 31.5 MB). Free memory was 133.5 MB in the beginning and 127.4 MB in the end (delta: 6.1 MB). Peak memory consumption was 38.7 MB. Max. memory is 8.0 GB. [2021-02-24 04:22:59,793 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 157.3 MB. Free memory is still 130.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 04:22:59,799 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.19 ms. Allocated memory is still 157.3 MB. Free memory was 132.4 MB in the beginning and 122.3 MB in the end (delta: 10.1 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-02-24 04:22:59,800 INFO L168 Benchmark]: Boogie Preprocessor took 49.95 ms. Allocated memory is still 157.3 MB. Free memory was 122.3 MB in the beginning and 120.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-24 04:22:59,804 INFO L168 Benchmark]: RCFGBuilder took 730.17 ms. Allocated memory is still 157.3 MB. Free memory was 120.5 MB in the beginning and 135.2 MB in the end (delta: -14.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 8.0 GB. [2021-02-24 04:22:59,809 INFO L168 Benchmark]: TraceAbstraction took 2047.98 ms. Allocated memory was 157.3 MB in the beginning and 188.7 MB in the end (delta: 31.5 MB). Free memory was 134.6 MB in the beginning and 127.4 MB in the end (delta: 7.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 8.0 GB. [2021-02-24 04:22:59,818 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 157.3 MB. Free memory is still 130.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 295.19 ms. Allocated memory is still 157.3 MB. Free memory was 132.4 MB in the beginning and 122.3 MB in the end (delta: 10.1 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 49.95 ms. Allocated memory is still 157.3 MB. Free memory was 122.3 MB in the beginning and 120.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 730.17 ms. Allocated memory is still 157.3 MB. Free memory was 120.5 MB in the beginning and 135.2 MB in the end (delta: -14.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2047.98 ms. Allocated memory was 157.3 MB in the beginning and 188.7 MB in the end (delta: 31.5 MB). Free memory was 134.6 MB in the beginning and 127.4 MB in the end (delta: 7.2 MB). Peak memory consumption was 39.2 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...