/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/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loop-lit/cggmp2005_variant.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 18:58:03,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 18:58:03,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 18:58:03,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-23 18:58:03,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 18:58:03,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 18:58:03,309 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 18:58:03,313 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 18:58:03,319 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 18:58:03,322 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 18:58:03,333 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 18:58:03,346 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 18:58:03,349 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 18:58:03,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 18:58:03,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 18:58:03,361 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 18:58:03,376 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-23 18:58:03,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 18:58:03,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 18:58:03,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 18:58:03,401 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-23 18:58:03,433 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 18:58:03,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 18:58:03,441 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 18:58:03,441 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 18:58:03,441 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 18:58:03,442 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 18:58:03,442 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 18:58:03,442 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 18:58:03,442 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 18:58:03,443 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 18:58:03,444 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 18:58:03,445 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 18:58:03,445 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 18:58:03,446 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 18:58:03,446 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 18:58:03,446 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 18:58:03,446 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 18:58:03,447 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 18:58:03,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 18:58:03,447 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 18:58:03,447 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 18:58:03,448 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 18:58:03,448 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 18:58:04,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 18:58:04,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 18:58:04,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 18:58:04,108 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 18:58:04,109 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 18:58:04,111 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/cggmp2005_variant.i [2021-02-23 18:58:04,241 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75d214b75/1b30e365b56745cfa5fe26d0ba25190a/FLAGb6b42e15d [2021-02-23 18:58:05,334 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 18:58:05,335 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/cggmp2005_variant.i [2021-02-23 18:58:05,354 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75d214b75/1b30e365b56745cfa5fe26d0ba25190a/FLAGb6b42e15d [2021-02-23 18:58:05,620 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75d214b75/1b30e365b56745cfa5fe26d0ba25190a [2021-02-23 18:58:05,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 18:58:05,646 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 18:58:05,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 18:58:05,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 18:58:05,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 18:58:05,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 06:58:05" (1/1) ... [2021-02-23 18:58:05,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@280e3fdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:58:05, skipping insertion in model container [2021-02-23 18:58:05,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 06:58:05" (1/1) ... [2021-02-23 18:58:05,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 18:58:05,721 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 18:58:06,069 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/cggmp2005_variant.i[895,908] [2021-02-23 18:58:06,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 18:58:06,123 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 18:58:06,153 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/cggmp2005_variant.i[895,908] [2021-02-23 18:58:06,163 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 18:58:06,195 INFO L208 MainTranslator]: Completed translation [2021-02-23 18:58:06,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:58:06 WrapperNode [2021-02-23 18:58:06,196 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 18:58:06,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 18:58:06,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 18:58:06,201 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 18:58:06,227 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:58:06" (1/1) ... [2021-02-23 18:58:06,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:58:06" (1/1) ... [2021-02-23 18:58:06,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:58:06" (1/1) ... [2021-02-23 18:58:06,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:58:06" (1/1) ... [2021-02-23 18:58:06,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:58:06" (1/1) ... [2021-02-23 18:58:06,270 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:58:06" (1/1) ... [2021-02-23 18:58:06,272 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:58:06" (1/1) ... [2021-02-23 18:58:06,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 18:58:06,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 18:58:06,278 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 18:58:06,278 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 18:58:06,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:58:06" (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 [2021-02-23 18:58:06,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 18:58:06,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 18:58:06,429 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 18:58:06,429 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-02-23 18:58:06,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-02-23 18:58:06,430 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 18:58:06,430 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 18:58:06,430 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 18:58:06,430 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-23 18:58:06,431 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-23 18:58:06,431 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 18:58:06,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 18:58:06,431 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-02-23 18:58:06,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-02-23 18:58:06,432 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 18:58:06,432 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 18:58:06,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 18:58:06,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 18:58:06,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 18:58:06,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 18:58:06,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 18:58:06,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 18:58:06,795 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 18:58:06,796 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-23 18:58:06,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 06:58:06 BoogieIcfgContainer [2021-02-23 18:58:06,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 18:58:06,802 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 18:58:06,802 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 18:58:06,807 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 18:58:06,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 06:58:05" (1/3) ... [2021-02-23 18:58:06,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79891f37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 06:58:06, skipping insertion in model container [2021-02-23 18:58:06,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:58:06" (2/3) ... [2021-02-23 18:58:06,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79891f37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 06:58:06, skipping insertion in model container [2021-02-23 18:58:06,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 06:58:06" (3/3) ... [2021-02-23 18:58:06,813 INFO L111 eAbstractionObserver]: Analyzing ICFG cggmp2005_variant.i [2021-02-23 18:58:06,827 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 18:58:06,838 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 18:58:06,876 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 18:58:06,974 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 18:58:06,975 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 18:58:06,975 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-23 18:58:06,975 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 18:58:06,976 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 18:58:06,976 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 18:58:06,978 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 18:58:06,978 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 18:58:07,022 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2021-02-23 18:58:07,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-02-23 18:58:07,037 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:58:07,038 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] [2021-02-23 18:58:07,039 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:58:07,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:58:07,050 INFO L82 PathProgramCache]: Analyzing trace with hash -297017165, now seen corresponding path program 1 times [2021-02-23 18:58:07,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:58:07,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1454731349] [2021-02-23 18:58:07,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:58:07,174 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:58:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:58:07,452 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:58:07,455 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:58:07,458 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:58:07,459 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:58:07,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:58:07,482 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:58:07,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:58:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:58:07,545 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:58:07,549 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:58:07,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:58:07,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1454731349] [2021-02-23 18:58:07,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:58:07,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 18:58:07,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126739399] [2021-02-23 18:58:07,579 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 18:58:07,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:58:07,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 18:58:07,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 18:58:07,610 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 4 states. [2021-02-23 18:58:07,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:58:07,906 INFO L93 Difference]: Finished difference Result 51 states and 57 transitions. [2021-02-23 18:58:07,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 18:58:07,909 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2021-02-23 18:58:07,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:58:07,923 INFO L225 Difference]: With dead ends: 51 [2021-02-23 18:58:07,924 INFO L226 Difference]: Without dead ends: 30 [2021-02-23 18:58:07,930 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-23 18:58:07,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-02-23 18:58:08,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-02-23 18:58:08,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-02-23 18:58:08,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2021-02-23 18:58:08,009 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 25 [2021-02-23 18:58:08,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:58:08,010 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2021-02-23 18:58:08,010 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 18:58:08,010 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2021-02-23 18:58:08,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-02-23 18:58:08,012 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:58:08,012 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] [2021-02-23 18:58:08,013 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 18:58:08,013 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:58:08,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:58:08,015 INFO L82 PathProgramCache]: Analyzing trace with hash 1229223985, now seen corresponding path program 1 times [2021-02-23 18:58:08,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:58:08,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [520177503] [2021-02-23 18:58:08,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:58:10,243 WARN L141 QuantifierPusher]: treesize reduction 51, result has 65.5 percent of original size [2021-02-23 18:58:10,312 WARN L147 QuantifierPusher]: treesize reduction 51, result has 65.5 percent of original size 97 [2021-02-23 18:58:10,314 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-02-23 18:58:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:58:10,536 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:58:10,537 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:58:10,539 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:58:10,540 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:58:10,547 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:58:10,549 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 18:58:10,561 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:58:10,563 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-23 18:58:10,600 WARN L141 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size [2021-02-23 18:58:10,609 WARN L147 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size 21 [2021-02-23 18:58:10,676 WARN L141 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-02-23 18:58:10,679 WARN L147 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size 9 [2021-02-23 18:58:10,692 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:58:10,694 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:58:10,706 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:58:10,709 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:58:10,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:58:10,723 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:58:10,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:58:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:58:10,813 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:58:10,814 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:58:10,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:58:10,836 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:58:10,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 18:58:10,873 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:58:10,883 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-02-23 18:58:10,892 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 139 [2021-02-23 18:58:10,974 WARN L141 QuantifierPusher]: treesize reduction 3, result has 97.6 percent of original size [2021-02-23 18:58:10,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 18:58:10,980 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:58:10,985 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2021-02-23 18:58:10,989 WARN L147 QuantifierPusher]: treesize reduction 3, result has 97.6 percent of original size 121 [2021-02-23 18:58:11,078 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:58:11,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 18:58:11,091 WARN L141 QuantifierPusher]: treesize reduction 2, result has 98.4 percent of original size [2021-02-23 18:58:11,095 WARN L147 QuantifierPusher]: treesize reduction 2, result has 98.4 percent of original size 126 [2021-02-23 18:58:11,099 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-02-23 18:58:11,179 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:58:11,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 18:58:11,191 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:58:11,195 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-02-23 18:58:11,199 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-02-23 18:58:11,283 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:58:11,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 18:58:11,293 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:58:11,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 123 [2021-02-23 18:58:11,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-02-23 18:58:11,404 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:58:11,405 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:58:11,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [520177503] [2021-02-23 18:58:11,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:58:11,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-02-23 18:58:11,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795103839] [2021-02-23 18:58:11,409 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-23 18:58:11,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:58:11,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-23 18:58:11,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-02-23 18:58:11,413 INFO L87 Difference]: Start difference. First operand 30 states and 30 transitions. Second operand 13 states. [2021-02-23 18:58:11,828 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2021-02-23 18:58:12,386 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2021-02-23 18:58:12,575 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 79 [2021-02-23 18:58:12,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:58:12,695 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2021-02-23 18:58:12,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-23 18:58:12,696 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 29 [2021-02-23 18:58:12,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:58:12,697 INFO L225 Difference]: With dead ends: 31 [2021-02-23 18:58:12,697 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 18:58:12,700 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=106, Invalid=494, Unknown=0, NotChecked=0, Total=600 [2021-02-23 18:58:12,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 18:58:12,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 18:58:12,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 18:58:12,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 18:58:12,702 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2021-02-23 18:58:12,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:58:12,702 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 18:58:12,702 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-23 18:58:12,702 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 18:58:12,703 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 18:58:12,703 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 18:58:12,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 18:58:13,187 WARN L202 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 74 [2021-02-23 18:58:13,550 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2021-02-23 18:58:13,618 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2021-02-23 18:58:13,619 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 12) no Hoare annotation was computed. [2021-02-23 18:58:13,619 INFO L189 CegarLoopUtils]: For program point L12-1(line 12) no Hoare annotation was computed. [2021-02-23 18:58:13,619 INFO L189 CegarLoopUtils]: For program point L12-2(line 12) no Hoare annotation was computed. [2021-02-23 18:58:13,619 INFO L189 CegarLoopUtils]: For program point L12-3(line 12) no Hoare annotation was computed. [2021-02-23 18:58:13,619 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-23 18:58:13,620 INFO L192 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-02-23 18:58:13,620 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line 12) the Hoare annotation is: true [2021-02-23 18:58:13,620 INFO L192 CegarLoopUtils]: At program point L12(line 12) the Hoare annotation is: true [2021-02-23 18:58:13,620 INFO L192 CegarLoopUtils]: At program point L12-1(line 12) the Hoare annotation is: true [2021-02-23 18:58:13,620 INFO L192 CegarLoopUtils]: At program point L12-2(line 12) the Hoare annotation is: true [2021-02-23 18:58:13,621 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string0.offset| |old(#t~string0.offset)|) (= |old(#length)| |#length|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string0.base| |old(#t~string0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2021-02-23 18:58:13,621 INFO L192 CegarLoopUtils]: At program point L12-3(line 12) the Hoare annotation is: true [2021-02-23 18:58:13,621 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-02-23 18:58:13,621 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2021-02-23 18:58:13,621 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-23 18:58:13,621 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-23 18:58:13,621 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2021-02-23 18:58:13,622 INFO L189 CegarLoopUtils]: For program point L15(line 15) no Hoare annotation was computed. [2021-02-23 18:58:13,622 INFO L189 CegarLoopUtils]: For program point L15-1(line 15) no Hoare annotation was computed. [2021-02-23 18:58:13,622 INFO L189 CegarLoopUtils]: For program point assume_abort_if_notENTRY(lines 14 16) no Hoare annotation was computed. [2021-02-23 18:58:13,622 INFO L189 CegarLoopUtils]: For program point L15-3(lines 14 16) no Hoare annotation was computed. [2021-02-23 18:58:13,622 INFO L189 CegarLoopUtils]: For program point assume_abort_if_notEXIT(lines 14 16) no Hoare annotation was computed. [2021-02-23 18:58:13,623 INFO L185 CegarLoopUtils]: At program point L33(line 33) the Hoare annotation is: (and (exists ((v_main_~hi~0_11 Int) (v_main_~mid~0_14 Int)) (let ((.cse0 (* 2 v_main_~mid~0_14))) (and (<= 1 v_main_~mid~0_14) (<= v_main_~hi~0_11 .cse0) (<= .cse0 v_main_~hi~0_11) (or (and (= v_main_~hi~0_11 (+ main_~hi~0 1)) (= main_~lo~0 1) (= main_~mid~0 v_main_~mid~0_14)) (let ((.cse1 (+ main_~hi~0 2)) (.cse2 (+ main_~mid~0 1))) (and (<= v_main_~hi~0_11 .cse1) (<= .cse1 v_main_~hi~0_11) (<= .cse2 v_main_~mid~0_14) (<= v_main_~mid~0_14 .cse2) (<= 2 main_~lo~0) (<= 2 .cse0) (<= main_~lo~0 2))) (let ((.cse3 (+ main_~lo~0 main_~hi~0)) (.cse6 (+ v_main_~mid~0_14 1)) (.cse7 (+ main_~mid~0 main_~lo~0)) (.cse5 (+ main_~mid~0 v_main_~hi~0_11)) (.cse4 (+ main_~hi~0 v_main_~mid~0_14 1))) (and (<= 3 main_~lo~0) (<= 2 v_main_~mid~0_14) (<= v_main_~hi~0_11 .cse3) (<= .cse3 v_main_~hi~0_11) (<= (+ main_~mid~0 2) v_main_~mid~0_14) (<= .cse4 .cse5) (<= main_~lo~0 .cse6) (<= v_main_~hi~0_11 .cse4) (<= (+ main_~hi~0 3) v_main_~hi~0_11) (<= .cse7 .cse6) (<= .cse6 .cse7) (<= .cse5 .cse4))))))) (< 0 main_~mid~0)) [2021-02-23 18:58:13,623 INFO L185 CegarLoopUtils]: At program point L31(line 31) the Hoare annotation is: (or (and (= main_~lo~0 0) (exists ((v_main_~hi~0_11 Int) (v_main_~mid~0_14 Int)) (let ((.cse0 (* 2 v_main_~mid~0_14))) (and (<= 1 v_main_~mid~0_14) (<= v_main_~hi~0_11 .cse0) (<= .cse0 v_main_~hi~0_11) (or (let ((.cse2 (+ main_~hi~0 1)) (.cse1 (+ main_~mid~0 1))) (and (<= .cse1 v_main_~mid~0_14) (<= .cse2 v_main_~hi~0_11) (<= v_main_~hi~0_11 .cse2) (<= v_main_~mid~0_14 .cse1) (<= main_~lo~0 1) (<= 1 main_~lo~0) (<= 2 .cse0))) (and (= v_main_~hi~0_11 main_~hi~0) (= main_~lo~0 0) (= main_~mid~0 v_main_~mid~0_14)) (let ((.cse5 (+ main_~lo~0 main_~hi~0)) (.cse4 (+ main_~mid~0 v_main_~hi~0_11)) (.cse3 (+ main_~hi~0 v_main_~mid~0_14)) (.cse6 (+ main_~mid~0 main_~lo~0))) (and (<= .cse3 .cse4) (<= 2 v_main_~mid~0_14) (<= v_main_~hi~0_11 .cse5) (<= (+ main_~hi~0 2) v_main_~hi~0_11) (<= main_~lo~0 v_main_~mid~0_14) (<= .cse5 v_main_~hi~0_11) (<= (+ main_~mid~0 2) v_main_~mid~0_14) (<= v_main_~hi~0_11 .cse3) (<= .cse4 .cse3) (<= v_main_~mid~0_14 .cse6) (<= 2 main_~lo~0) (<= .cse6 v_main_~mid~0_14)))))))) (and (< 0 main_~mid~0) (exists ((v_main_~hi~0_11 Int) (v_main_~mid~0_14 Int)) (let ((.cse9 (* 2 v_main_~mid~0_14))) (and (<= 1 v_main_~mid~0_14) (or (let ((.cse7 (+ main_~hi~0 2)) (.cse8 (+ main_~mid~0 2))) (and (<= v_main_~hi~0_11 .cse7) (<= .cse7 v_main_~hi~0_11) (<= v_main_~mid~0_14 .cse8) (<= .cse8 v_main_~mid~0_14) (<= 2 main_~lo~0) (<= 2 .cse9) (<= main_~lo~0 2))) (let ((.cse12 (+ main_~lo~0 main_~hi~0)) (.cse11 (+ main_~mid~0 v_main_~hi~0_11)) (.cse10 (+ main_~hi~0 v_main_~mid~0_14)) (.cse13 (+ main_~mid~0 main_~lo~0))) (and (<= .cse10 .cse11) (<= (+ main_~mid~0 3) v_main_~mid~0_14) (<= 3 main_~lo~0) (<= 2 v_main_~mid~0_14) (<= v_main_~hi~0_11 .cse12) (<= .cse12 v_main_~hi~0_11) (<= .cse11 .cse10) (<= main_~lo~0 (+ v_main_~mid~0_14 1)) (<= v_main_~hi~0_11 (+ main_~hi~0 v_main_~mid~0_14 1)) (<= v_main_~mid~0_14 .cse13) (<= (+ main_~hi~0 3) v_main_~hi~0_11) (<= .cse13 v_main_~mid~0_14))) (and (= v_main_~hi~0_11 (+ main_~hi~0 1)) (= main_~lo~0 1) (= (+ main_~mid~0 1) v_main_~mid~0_14))) (<= v_main_~hi~0_11 .cse9) (<= .cse9 v_main_~hi~0_11)))))) [2021-02-23 18:58:13,624 INFO L185 CegarLoopUtils]: At program point L29(line 29) the Hoare annotation is: (and (= main_~lo~0 0) (<= 1 main_~mid~0)) [2021-02-23 18:58:13,624 INFO L185 CegarLoopUtils]: At program point L27(line 27) the Hoare annotation is: (= main_~lo~0 0) [2021-02-23 18:58:13,624 INFO L185 CegarLoopUtils]: At program point L27-1(line 27) the Hoare annotation is: (= main_~lo~0 0) [2021-02-23 18:58:13,624 INFO L192 CegarLoopUtils]: At program point L25(line 25) the Hoare annotation is: true [2021-02-23 18:58:13,624 INFO L185 CegarLoopUtils]: At program point L27-2(line 27) the Hoare annotation is: (= main_~lo~0 0) [2021-02-23 18:58:13,625 INFO L192 CegarLoopUtils]: At program point mainEXIT(lines 24 37) the Hoare annotation is: true [2021-02-23 18:58:13,625 INFO L192 CegarLoopUtils]: At program point L25-1(line 25) the Hoare annotation is: true [2021-02-23 18:58:13,625 INFO L192 CegarLoopUtils]: At program point mainFINAL(lines 24 37) the Hoare annotation is: true [2021-02-23 18:58:13,625 INFO L185 CegarLoopUtils]: At program point L32(line 32) the Hoare annotation is: (and (< 0 main_~mid~0) (exists ((v_main_~hi~0_11 Int) (v_main_~mid~0_14 Int)) (let ((.cse0 (* 2 v_main_~mid~0_14))) (and (<= 1 v_main_~mid~0_14) (<= v_main_~hi~0_11 .cse0) (<= .cse0 v_main_~hi~0_11) (or (let ((.cse2 (+ main_~hi~0 1)) (.cse1 (+ main_~mid~0 1))) (and (<= .cse1 v_main_~mid~0_14) (<= .cse2 v_main_~hi~0_11) (<= v_main_~hi~0_11 .cse2) (<= v_main_~mid~0_14 .cse1) (<= 2 main_~lo~0) (<= 2 .cse0) (<= main_~lo~0 2))) (let ((.cse6 (+ v_main_~hi~0_11 1)) (.cse5 (+ main_~lo~0 main_~hi~0)) (.cse4 (+ main_~mid~0 v_main_~hi~0_11)) (.cse3 (+ main_~hi~0 v_main_~mid~0_14)) (.cse7 (+ v_main_~mid~0_14 1)) (.cse8 (+ main_~mid~0 main_~lo~0))) (and (<= .cse3 .cse4) (<= 3 main_~lo~0) (<= 2 v_main_~mid~0_14) (<= .cse5 .cse6) (<= (+ main_~hi~0 2) v_main_~hi~0_11) (<= (+ main_~mid~0 2) v_main_~mid~0_14) (<= v_main_~hi~0_11 .cse3) (<= .cse6 .cse5) (<= .cse4 .cse3) (<= main_~lo~0 .cse7) (<= .cse8 .cse7) (<= .cse7 .cse8))) (and (= v_main_~hi~0_11 main_~hi~0) (= main_~lo~0 1) (= main_~mid~0 v_main_~mid~0_14))))))) [2021-02-23 18:58:13,625 INFO L192 CegarLoopUtils]: At program point mainENTRY(lines 24 37) the Hoare annotation is: true [2021-02-23 18:58:13,626 INFO L185 CegarLoopUtils]: At program point L28(line 28) the Hoare annotation is: (= main_~lo~0 0) [2021-02-23 18:58:13,626 INFO L185 CegarLoopUtils]: At program point L30-2(lines 30 34) the Hoare annotation is: (exists ((v_main_~hi~0_11 Int) (v_main_~mid~0_14 Int)) (let ((.cse0 (* 2 v_main_~mid~0_14))) (and (<= 1 v_main_~mid~0_14) (<= v_main_~hi~0_11 .cse0) (<= .cse0 v_main_~hi~0_11) (or (let ((.cse2 (+ main_~hi~0 1)) (.cse1 (+ main_~mid~0 1))) (and (<= .cse1 v_main_~mid~0_14) (<= .cse2 v_main_~hi~0_11) (<= v_main_~hi~0_11 .cse2) (<= v_main_~mid~0_14 .cse1) (<= main_~lo~0 1) (<= 1 main_~lo~0) (<= 2 .cse0))) (and (= v_main_~hi~0_11 main_~hi~0) (= main_~lo~0 0) (= main_~mid~0 v_main_~mid~0_14)) (let ((.cse5 (+ main_~lo~0 main_~hi~0)) (.cse4 (+ main_~mid~0 v_main_~hi~0_11)) (.cse3 (+ main_~hi~0 v_main_~mid~0_14)) (.cse6 (+ main_~mid~0 main_~lo~0))) (and (<= .cse3 .cse4) (<= 2 v_main_~mid~0_14) (<= v_main_~hi~0_11 .cse5) (<= (+ main_~hi~0 2) v_main_~hi~0_11) (<= main_~lo~0 v_main_~mid~0_14) (<= .cse5 v_main_~hi~0_11) (<= (+ main_~mid~0 2) v_main_~mid~0_14) (<= v_main_~hi~0_11 .cse3) (<= .cse4 .cse3) (<= v_main_~mid~0_14 .cse6) (<= 2 main_~lo~0) (<= .cse6 v_main_~mid~0_14))))))) [2021-02-23 18:58:13,626 INFO L192 CegarLoopUtils]: At program point L28-1(line 28) the Hoare annotation is: true [2021-02-23 18:58:13,627 INFO L185 CegarLoopUtils]: At program point L30-3(lines 30 34) the Hoare annotation is: (and (< main_~hi~0 (+ main_~lo~0 1)) (exists ((v_main_~hi~0_11 Int) (v_main_~mid~0_14 Int)) (let ((.cse2 (* 2 v_main_~mid~0_14))) (and (<= 1 v_main_~mid~0_14) (or (let ((.cse0 (+ main_~hi~0 2)) (.cse1 (+ main_~mid~0 2))) (and (<= v_main_~hi~0_11 .cse0) (<= .cse0 v_main_~hi~0_11) (<= v_main_~mid~0_14 .cse1) (<= .cse1 v_main_~mid~0_14) (<= 2 main_~lo~0) (<= 2 .cse2) (<= main_~lo~0 2))) (let ((.cse5 (+ main_~lo~0 main_~hi~0)) (.cse4 (+ main_~mid~0 v_main_~hi~0_11)) (.cse3 (+ main_~hi~0 v_main_~mid~0_14)) (.cse6 (+ main_~mid~0 main_~lo~0))) (and (<= .cse3 .cse4) (<= (+ main_~mid~0 3) v_main_~mid~0_14) (<= 3 main_~lo~0) (<= 2 v_main_~mid~0_14) (<= v_main_~hi~0_11 .cse5) (<= .cse5 v_main_~hi~0_11) (<= .cse4 .cse3) (<= main_~lo~0 (+ v_main_~mid~0_14 1)) (<= v_main_~hi~0_11 (+ main_~hi~0 v_main_~mid~0_14 1)) (<= v_main_~mid~0_14 .cse6) (<= (+ main_~hi~0 3) v_main_~hi~0_11) (<= .cse6 v_main_~mid~0_14))) (and (= v_main_~hi~0_11 (+ main_~hi~0 1)) (= main_~lo~0 1) (= (+ main_~mid~0 1) v_main_~mid~0_14))) (<= v_main_~hi~0_11 .cse2) (<= .cse2 v_main_~hi~0_11)))) (< 0 (+ main_~mid~0 1))) [2021-02-23 18:58:13,627 INFO L192 CegarLoopUtils]: At program point L26(line 26) the Hoare annotation is: true [2021-02-23 18:58:13,627 INFO L192 CegarLoopUtils]: At program point L35(line 35) the Hoare annotation is: true [2021-02-23 18:58:13,627 INFO L192 CegarLoopUtils]: At program point L18-2(lines 17 22) the Hoare annotation is: true [2021-02-23 18:58:13,627 INFO L192 CegarLoopUtils]: At program point __VERIFIER_assertENTRY(lines 17 22) the Hoare annotation is: true [2021-02-23 18:58:13,628 INFO L192 CegarLoopUtils]: At program point __VERIFIER_assertEXIT(lines 17 22) the Hoare annotation is: true [2021-02-23 18:58:13,628 INFO L185 CegarLoopUtils]: At program point L19(line 19) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2021-02-23 18:58:13,628 INFO L185 CegarLoopUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2021-02-23 18:58:13,628 INFO L185 CegarLoopUtils]: At program point L18(lines 18 20) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2021-02-23 18:58:13,628 INFO L185 CegarLoopUtils]: At program point L19-1(line 19) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2021-02-23 18:58:13,643 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,645 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,645 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,646 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,646 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,646 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,647 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,647 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,647 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,648 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,648 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,648 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,648 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,649 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,649 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,649 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,649 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,650 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,650 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,650 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,650 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,651 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,651 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,651 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,651 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,652 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,664 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,665 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,665 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,666 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,666 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,666 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,666 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,667 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,667 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,667 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,668 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,668 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,668 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,668 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,669 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,669 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,669 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,670 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,670 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,670 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,670 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,671 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,671 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,671 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,671 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,672 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 06:58:13 BoogieIcfgContainer [2021-02-23 18:58:13,677 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 18:58:13,679 INFO L168 Benchmark]: Toolchain (without parser) took 8048.60 ms. Allocated memory was 164.6 MB in the beginning and 198.2 MB in the end (delta: 33.6 MB). Free memory was 140.6 MB in the beginning and 141.9 MB in the end (delta: -1.2 MB). Peak memory consumption was 107.0 MB. Max. memory is 8.0 GB. [2021-02-23 18:58:13,680 INFO L168 Benchmark]: CDTParser took 0.73 ms. Allocated memory is still 164.6 MB. Free memory was 137.9 MB in the beginning and 137.8 MB in the end (delta: 91.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 18:58:13,681 INFO L168 Benchmark]: CACSL2BoogieTranslator took 541.13 ms. Allocated memory is still 164.6 MB. Free memory was 139.6 MB in the beginning and 130.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-02-23 18:58:13,682 INFO L168 Benchmark]: Boogie Preprocessor took 75.94 ms. Allocated memory is still 164.6 MB. Free memory was 130.0 MB in the beginning and 128.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-02-23 18:58:13,683 INFO L168 Benchmark]: RCFGBuilder took 521.57 ms. Allocated memory is still 164.6 MB. Free memory was 128.6 MB in the beginning and 143.9 MB in the end (delta: -15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 8.0 GB. [2021-02-23 18:58:13,684 INFO L168 Benchmark]: TraceAbstraction took 6875.67 ms. Allocated memory was 164.6 MB in the beginning and 198.2 MB in the end (delta: 33.6 MB). Free memory was 143.4 MB in the beginning and 141.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 109.5 MB. Max. memory is 8.0 GB. [2021-02-23 18:58:13,688 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73 ms. Allocated memory is still 164.6 MB. Free memory was 137.9 MB in the beginning and 137.8 MB in the end (delta: 91.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 541.13 ms. Allocated memory is still 164.6 MB. Free memory was 139.6 MB in the beginning and 130.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 75.94 ms. Allocated memory is still 164.6 MB. Free memory was 130.0 MB in the beginning and 128.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 521.57 ms. Allocated memory is still 164.6 MB. Free memory was 128.6 MB in the beginning and 143.9 MB in the end (delta: -15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 6875.67 ms. Allocated memory was 164.6 MB in the beginning and 198.2 MB in the end (delta: 33.6 MB). Free memory was 143.4 MB in the beginning and 141.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 109.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant [2021-02-23 18:58:13,703 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,703 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,704 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,704 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,704 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,704 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,705 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,705 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,705 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,705 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,706 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,706 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,706 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,706 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,706 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,707 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,707 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,707 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,707 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,708 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,708 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,708 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,708 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,708 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,709 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,709 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,710 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,710 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,711 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,711 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,711 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,711 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,711 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,712 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,712 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,712 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,712 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,712 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,713 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,713 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,713 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,713 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,713 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,714 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,714 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,714 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,714 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,714 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,715 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~hi~0_11,QUANTIFIED] [2021-02-23 18:58:13,715 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,715 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] [2021-02-23 18:58:13,715 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~mid~0_14,QUANTIFIED] Derived loop invariant: (\exists v_main_~hi~0_11 : int, v_main_~mid~0_14 : int :: ((1 <= v_main_~mid~0_14 && v_main_~hi~0_11 <= 2 * v_main_~mid~0_14) && 2 * v_main_~mid~0_14 <= v_main_~hi~0_11) && ((((((((mid + 1 <= v_main_~mid~0_14 && hi + 1 <= v_main_~hi~0_11) && v_main_~hi~0_11 <= hi + 1) && v_main_~mid~0_14 <= mid + 1) && lo <= 1) && 1 <= lo) && 2 <= 2 * v_main_~mid~0_14) || ((v_main_~hi~0_11 == hi && lo == 0) && mid == v_main_~mid~0_14)) || (((((((((((hi + v_main_~mid~0_14 <= mid + v_main_~hi~0_11 && 2 <= v_main_~mid~0_14) && v_main_~hi~0_11 <= lo + hi) && hi + 2 <= v_main_~hi~0_11) && lo <= v_main_~mid~0_14) && lo + hi <= v_main_~hi~0_11) && mid + 2 <= v_main_~mid~0_14) && v_main_~hi~0_11 <= hi + v_main_~mid~0_14) && mid + v_main_~hi~0_11 <= hi + v_main_~mid~0_14) && v_main_~mid~0_14 <= mid + lo) && 2 <= lo) && mid + lo <= v_main_~mid~0_14))) - ProcedureContractResult [Line: 24]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 17]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 54 SDtfs, 48 SDslu, 116 SDs, 0 SdLazy, 166 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 38 LocationsWithAnnotation, 45 PreInvPairs, 55 NumberOfFragments, 849 HoareAnnotationTreeSize, 45 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 38 FomulaSimplificationsInter, 769 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...