/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/ldv-regression/test05.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 23:04:58,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 23:04:58,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 23:04:58,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-23 23:04:58,348 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 23:04:58,372 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 23:04:58,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 23:04:58,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 23:04:58,377 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 23:04:58,377 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 23:04:58,377 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 23:04:58,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 23:04:58,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 23:04:58,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 23:04:58,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 23:04:58,379 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 23:04:58,380 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 23:04:58,380 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 23:04:58,380 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 23:04:58,380 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 23:04:58,380 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 23:04:58,381 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 23:04:58,381 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 23:04:58,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 23:04:58,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 23:04:58,382 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 23:04:58,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 23:04:58,382 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-23 23:04:58,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 23:04:58,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 23:04:58,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 23:04:58,853 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 23:04:58,854 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 23:04:58,855 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test05.c [2021-02-23 23:04:58,945 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf5c9688b/7a9ee2a1c61a47c3bfa98c6e780337dc/FLAG336cb934e [2021-02-23 23:04:59,556 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 23:04:59,556 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test05.c [2021-02-23 23:04:59,564 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf5c9688b/7a9ee2a1c61a47c3bfa98c6e780337dc/FLAG336cb934e [2021-02-23 23:04:59,965 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf5c9688b/7a9ee2a1c61a47c3bfa98c6e780337dc [2021-02-23 23:04:59,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 23:04:59,986 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 23:04:59,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 23:04:59,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 23:04:59,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 23:04:59,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 11:04:59" (1/1) ... [2021-02-23 23:05:00,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79a93f4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:00, skipping insertion in model container [2021-02-23 23:05:00,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 11:04:59" (1/1) ... [2021-02-23 23:05:00,012 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 23:05:00,035 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 23:05:00,279 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/test05.c[710,723] [2021-02-23 23:05:00,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 23:05:00,303 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 23:05:00,327 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/test05.c[710,723] [2021-02-23 23:05:00,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 23:05:00,356 INFO L208 MainTranslator]: Completed translation [2021-02-23 23:05:00,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:00 WrapperNode [2021-02-23 23:05:00,356 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 23:05:00,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 23:05:00,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 23:05:00,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 23:05:00,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:00" (1/1) ... [2021-02-23 23:05:00,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:00" (1/1) ... [2021-02-23 23:05:00,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:00" (1/1) ... [2021-02-23 23:05:00,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:00" (1/1) ... [2021-02-23 23:05:00,406 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:00" (1/1) ... [2021-02-23 23:05:00,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:00" (1/1) ... [2021-02-23 23:05:00,418 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:00" (1/1) ... [2021-02-23 23:05:00,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 23:05:00,430 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 23:05:00,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 23:05:00,431 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 23:05:00,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:00" (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 23:05:00,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 23:05:00,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 23:05:00,531 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 23:05:00,531 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-02-23 23:05:00,531 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-02-23 23:05:00,531 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 23:05:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 23:05:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 23:05:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 23:05:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 23:05:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-02-23 23:05:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-23 23:05:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-23 23:05:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 23:05:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-02-23 23:05:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 23:05:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 23:05:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 23:05:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 23:05:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 23:05:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 23:05:01,118 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 23:05:01,119 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-23 23:05:01,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:05:01 BoogieIcfgContainer [2021-02-23 23:05:01,122 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 23:05:01,125 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 23:05:01,126 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 23:05:01,130 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 23:05:01,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 11:04:59" (1/3) ... [2021-02-23 23:05:01,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b539c8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 11:05:01, skipping insertion in model container [2021-02-23 23:05:01,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:00" (2/3) ... [2021-02-23 23:05:01,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b539c8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 11:05:01, skipping insertion in model container [2021-02-23 23:05:01,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:05:01" (3/3) ... [2021-02-23 23:05:01,134 INFO L111 eAbstractionObserver]: Analyzing ICFG test05.c [2021-02-23 23:05:01,143 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 23:05:01,148 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 23:05:01,170 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 23:05:01,205 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 23:05:01,205 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 23:05:01,205 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-23 23:05:01,205 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 23:05:01,206 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 23:05:01,206 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 23:05:01,206 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 23:05:01,206 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 23:05:01,230 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2021-02-23 23:05:01,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-02-23 23:05:01,244 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:05:01,245 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] [2021-02-23 23:05:01,246 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:05:01,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:05:01,254 INFO L82 PathProgramCache]: Analyzing trace with hash 276648851, now seen corresponding path program 1 times [2021-02-23 23:05:01,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:05:01,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1597248049] [2021-02-23 23:05:01,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:05:01,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:05:01,690 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:01,691 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:05:01,693 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:01,694 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:05:01,709 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:01,709 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:05:01,725 WARN L141 QuantifierPusher]: treesize reduction 8, result has 27.3 percent of original size [2021-02-23 23:05:01,726 WARN L147 QuantifierPusher]: treesize reduction 8, result has 27.3 percent of original size 3 [2021-02-23 23:05:01,734 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:01,735 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:05:01,745 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:01,746 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:05:01,756 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:01,757 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:05:01,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:05:01,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:05:01,807 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:01,808 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:05:01,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 23:05:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:05:01,841 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:01,841 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:05:01,855 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:01,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:05:01,880 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 23:05:01,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1597248049] [2021-02-23 23:05:01,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:05:01,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-23 23:05:01,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136218128] [2021-02-23 23:05:01,890 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-23 23:05:01,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:05:01,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-23 23:05:01,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-02-23 23:05:01,908 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 11 states. [2021-02-23 23:05:02,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:05:02,506 INFO L93 Difference]: Finished difference Result 119 states and 122 transitions. [2021-02-23 23:05:02,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-23 23:05:02,508 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 42 [2021-02-23 23:05:02,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:05:02,519 INFO L225 Difference]: With dead ends: 119 [2021-02-23 23:05:02,519 INFO L226 Difference]: Without dead ends: 61 [2021-02-23 23:05:02,523 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2021-02-23 23:05:02,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2021-02-23 23:05:02,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2021-02-23 23:05:02,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2021-02-23 23:05:02,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2021-02-23 23:05:02,577 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 42 [2021-02-23 23:05:02,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:05:02,578 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2021-02-23 23:05:02,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-23 23:05:02,578 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2021-02-23 23:05:02,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-02-23 23:05:02,580 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:05:02,580 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] [2021-02-23 23:05:02,581 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 23:05:02,581 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:05:02,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:05:02,582 INFO L82 PathProgramCache]: Analyzing trace with hash -2024407720, now seen corresponding path program 1 times [2021-02-23 23:05:02,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:05:02,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1773145718] [2021-02-23 23:05:02,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:05:02,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:05:02,653 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:02,654 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:05:02,655 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:02,655 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:05:02,659 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:02,660 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:05:02,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:02,665 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:05:02,671 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:02,671 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:05:02,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:05:02,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:05:02,732 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:02,733 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:05:02,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 23:05:02,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:05:02,767 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:02,767 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:05:02,769 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:02,770 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:05:02,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 23:05:02,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:05:02,790 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:02,791 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:05:02,799 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 23:05:02,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1773145718] [2021-02-23 23:05:02,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:05:02,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-23 23:05:02,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611739659] [2021-02-23 23:05:02,802 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 23:05:02,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:05:02,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 23:05:02,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-02-23 23:05:02,804 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand 8 states. [2021-02-23 23:05:03,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:05:03,091 INFO L93 Difference]: Finished difference Result 63 states and 62 transitions. [2021-02-23 23:05:03,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-23 23:05:03,091 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2021-02-23 23:05:03,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:05:03,094 INFO L225 Difference]: With dead ends: 63 [2021-02-23 23:05:03,094 INFO L226 Difference]: Without dead ends: 60 [2021-02-23 23:05:03,095 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-02-23 23:05:03,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-02-23 23:05:03,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2021-02-23 23:05:03,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2021-02-23 23:05:03,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 59 transitions. [2021-02-23 23:05:03,111 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 59 transitions. Word has length 54 [2021-02-23 23:05:03,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:05:03,111 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 59 transitions. [2021-02-23 23:05:03,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 23:05:03,112 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 59 transitions. [2021-02-23 23:05:03,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-02-23 23:05:03,114 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:05:03,114 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] [2021-02-23 23:05:03,114 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 23:05:03,114 INFO L428 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:05:03,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:05:03,115 INFO L82 PathProgramCache]: Analyzing trace with hash -853019170, now seen corresponding path program 1 times [2021-02-23 23:05:03,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:05:03,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [476535522] [2021-02-23 23:05:03,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:05:03,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:05:03,287 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:03,287 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:05:03,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:03,289 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:05:03,292 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:03,293 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 23:05:03,304 WARN L141 QuantifierPusher]: treesize reduction 15, result has 62.5 percent of original size [2021-02-23 23:05:03,306 WARN L147 QuantifierPusher]: treesize reduction 15, result has 62.5 percent of original size 25 [2021-02-23 23:05:03,319 WARN L141 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-02-23 23:05:03,320 WARN L147 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size 21 [2021-02-23 23:05:03,335 WARN L141 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-02-23 23:05:03,336 WARN L147 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size 28 [2021-02-23 23:05:03,354 WARN L141 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-02-23 23:05:03,355 WARN L147 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size 25 [2021-02-23 23:05:03,372 WARN L141 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-02-23 23:05:03,372 WARN L147 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size 25 [2021-02-23 23:05:03,375 WARN L141 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-02-23 23:05:03,376 WARN L147 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size 25 [2021-02-23 23:05:03,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:03,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-23 23:05:03,392 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:03,393 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 23:05:03,403 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:03,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:05:03,415 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:03,415 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:05:03,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:03,427 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:05:03,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:05:03,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:05:03,487 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:03,488 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:05:03,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 23:05:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:05:03,532 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:03,533 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:05:03,548 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:03,549 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 23:05:03,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:03,571 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 23:05:03,596 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:03,601 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-23 23:05:03,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 23:05:03,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:05:03,708 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:03,709 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 23:05:03,735 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:03,736 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 23:05:03,764 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:03,765 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-23 23:05:03,803 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:03,805 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-02-23 23:05:03,867 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:03,870 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-02-23 23:05:03,929 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:03,930 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-23 23:05:03,977 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:03,978 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-23 23:05:04,043 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 23:05:04,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [476535522] [2021-02-23 23:05:04,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:05:04,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-02-23 23:05:04,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306773387] [2021-02-23 23:05:04,045 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-02-23 23:05:04,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:05:04,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-02-23 23:05:04,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=538, Unknown=0, NotChecked=0, Total=600 [2021-02-23 23:05:04,047 INFO L87 Difference]: Start difference. First operand 60 states and 59 transitions. Second operand 25 states. [2021-02-23 23:05:05,165 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2021-02-23 23:05:05,530 WARN L202 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 71 [2021-02-23 23:05:06,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:05:06,134 INFO L93 Difference]: Finished difference Result 60 states and 59 transitions. [2021-02-23 23:05:06,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-23 23:05:06,134 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 59 [2021-02-23 23:05:06,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:05:06,135 INFO L225 Difference]: With dead ends: 60 [2021-02-23 23:05:06,135 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 23:05:06,137 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 403 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=250, Invalid=1912, Unknown=0, NotChecked=0, Total=2162 [2021-02-23 23:05:06,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 23:05:06,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 23:05:06,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 23:05:06,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 23:05:06,138 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2021-02-23 23:05:06,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:05:06,138 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 23:05:06,139 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2021-02-23 23:05:06,139 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 23:05:06,139 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 23:05:06,139 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 23:05:06,141 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 23:05:07,842 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-23 23:05:07,842 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-23 23:05:07,842 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-23 23:05:07,843 INFO L192 CegarLoopUtils]: At program point L3-2(line 3) the Hoare annotation is: true [2021-02-23 23:05:07,843 INFO L192 CegarLoopUtils]: At program point L3-3(line 3) the Hoare annotation is: true [2021-02-23 23:05:07,843 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-23 23:05:07,843 INFO L192 CegarLoopUtils]: At program point L3-4(line 3) the Hoare annotation is: true [2021-02-23 23:05:07,843 INFO L192 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-02-23 23:05:07,843 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line 3) the Hoare annotation is: true [2021-02-23 23:05:07,844 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |old(#t~string6.offset)| |#t~string6.offset|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |old(#t~string4.offset)| |#t~string4.offset|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2021-02-23 23:05:07,844 INFO L192 CegarLoopUtils]: At program point L3(line 3) the Hoare annotation is: true [2021-02-23 23:05:07,844 INFO L192 CegarLoopUtils]: At program point L3-1(line 3) the Hoare annotation is: true [2021-02-23 23:05:07,844 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-02-23 23:05:07,844 INFO L185 CegarLoopUtils]: At program point L15(line 15) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |f_#in~a| f_~a) (= |#memory_int| |old(#memory_int)|) (= |f_#in~p2.base| f_~p2.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= f_~p1.offset |f_#in~p1.offset|) (= |f_#in~p1.base| f_~p1.base) (= f_~p2.offset |f_#in~p2.offset|)) [2021-02-23 23:05:07,844 INFO L185 CegarLoopUtils]: At program point L14(lines 14 19) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |f_#in~a| f_~a) (= |#memory_int| |old(#memory_int)|) (= |f_#in~p2.base| f_~p2.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= f_~p1.offset |f_#in~p1.offset|) (= |f_#in~p1.base| f_~p1.base) (= f_~p2.offset |f_#in~p2.offset|)) [2021-02-23 23:05:07,845 INFO L185 CegarLoopUtils]: At program point L15-1(line 15) the Hoare annotation is: (and (let ((.cse1 (select (select |old(#memory_$Pointer$.base)| |f_#in~p2.base|) |f_#in~p2.offset|))) (or (let ((.cse0 (select (select |#memory_$Pointer$.base| |f_#in~p1.base|) |f_#in~p1.offset|))) (and (= .cse0 .cse1) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| |f_#in~p1.base|) |f_#in~p1.offset|)) 0))) (= |f_#in~p1.base| .cse1))) (= |f_#in~a| f_~a)) [2021-02-23 23:05:07,845 INFO L185 CegarLoopUtils]: At program point L13(lines 13 20) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |f_#in~a| f_~a) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2021-02-23 23:05:07,845 INFO L185 CegarLoopUtils]: At program point L13-1(lines 13 20) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |f_#in~a| f_~a) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= f_~p1.offset |f_#in~p1.offset|) (= |f_#in~p1.base| f_~p1.base)) [2021-02-23 23:05:07,845 INFO L185 CegarLoopUtils]: At program point fEXIT(lines 13 20) the Hoare annotation is: (let ((.cse2 (= |f_#in~a| f_~a))) (or (and (<= 1 |f_#res|) (let ((.cse1 (select (select |old(#memory_$Pointer$.base)| |f_#in~p2.base|) |f_#in~p2.offset|))) (or (let ((.cse0 (select (select |#memory_$Pointer$.base| |f_#in~p1.base|) |f_#in~p1.offset|))) (and (= .cse0 .cse1) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| |f_#in~p1.base|) |f_#in~p1.offset|)) 0))) (= |f_#in~p1.base| .cse1))) .cse2 (<= |f_#res| 1)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) .cse2 (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= |f_#in~a| 4))))) [2021-02-23 23:05:07,846 INFO L185 CegarLoopUtils]: At program point fENTRY(lines 13 20) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2021-02-23 23:05:07,846 INFO L185 CegarLoopUtils]: At program point fFINAL(lines 13 20) the Hoare annotation is: (let ((.cse2 (= |f_#in~a| f_~a))) (or (and (<= 1 |f_#res|) (let ((.cse1 (select (select |old(#memory_$Pointer$.base)| |f_#in~p2.base|) |f_#in~p2.offset|))) (or (let ((.cse0 (select (select |#memory_$Pointer$.base| |f_#in~p1.base|) |f_#in~p1.offset|))) (and (= .cse0 .cse1) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| |f_#in~p1.base|) |f_#in~p1.offset|)) 0))) (= |f_#in~p1.base| .cse1))) .cse2 (<= |f_#res| 1)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) .cse2 (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= |f_#in~a| 4))))) [2021-02-23 23:05:07,846 INFO L185 CegarLoopUtils]: At program point L18(line 18) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |f_#in~a| f_~a) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= |f_#in~a| 4))) [2021-02-23 23:05:07,846 INFO L185 CegarLoopUtils]: At program point L10(line 10) the Hoare annotation is: (let ((.cse0 (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|))) (or (= |g_#in~p1.base| .cse0) (let ((.cse1 (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|))) (and (= .cse0 .cse1) (= (select (select |#memory_$Pointer$.offset| |g_#in~p1.base|) |g_#in~p1.offset|) g_~pq~0.offset) (= g_~pq~0.base .cse1))))) [2021-02-23 23:05:07,846 INFO L185 CegarLoopUtils]: At program point L9(line 9) the Hoare annotation is: (let ((.cse2 (= g_~pq~0.base g_~p1.base)) (.cse1 (= g_~p2.offset |g_#in~p2.offset|)) (.cse0 (select (select |#memory_$Pointer$.base| g_~p2.base) g_~p2.offset))) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |g_#in~p2.base| g_~p2.base) (or (and (= |g_#in~p1.base| .cse0) .cse1) (not .cse2)) (or .cse2 (and .cse1 (= g_~pq~0.base .cse0) (= g_~pq~0.offset (select (select |#memory_$Pointer$.offset| g_~p2.base) g_~p2.offset)))) (= g_~p1.offset |g_#in~p1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base))) [2021-02-23 23:05:07,847 INFO L185 CegarLoopUtils]: At program point gEXIT(lines 6 11) the Hoare annotation is: (let ((.cse1 (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|))) (let ((.cse0 (= |g_#in~p1.base| .cse1)) (.cse3 (select (select |#memory_$Pointer$.offset| |g_#in~p1.base|) |g_#in~p1.offset|)) (.cse2 (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|))) (and (or .cse0 (and (= .cse1 .cse2) (= (select (select |#memory_int| .cse2) .cse3) 0))) (or .cse0 (and (= .cse3 g_~pq~0.offset) (= g_~pq~0.base .cse2)))))) [2021-02-23 23:05:07,847 INFO L185 CegarLoopUtils]: At program point L9-1(line 9) the Hoare annotation is: (let ((.cse1 (select (select |#memory_$Pointer$.base| |g_#in~p2.base|) |g_#in~p2.offset|)) (.cse0 (= g_~pq~0.base g_~p1.base))) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= g_~p2.offset |g_#in~p2.offset|) (or .cse0 (= g_~pq~0.offset (select (select |#memory_$Pointer$.offset| g_~p2.base) g_~p2.offset))) (= |#memory_int| |old(#memory_int)|) (= |g_#in~p2.base| g_~p2.base) (= g_~p1.offset |g_#in~p1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (or .cse0 (and (= .cse1 |g_#t~mem8.base|) (= g_~pq~0.base |g_#t~mem8.base|) (= |g_#t~mem8.offset| g_~pq~0.offset))) (or (= |g_#in~p1.base| .cse1) (not .cse0)) (= |g_#in~p1.base| g_~p1.base))) [2021-02-23 23:05:07,847 INFO L185 CegarLoopUtils]: At program point L7(line 7) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= g_~p2.offset |g_#in~p2.offset|) (= |#memory_int| |old(#memory_int)|) (= |g_#in~p2.base| g_~p2.base) (= g_~p1.offset |g_#in~p1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base)) [2021-02-23 23:05:07,847 INFO L185 CegarLoopUtils]: At program point L9-2(line 9) the Hoare annotation is: (let ((.cse0 (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|))) (or (= |g_#in~p1.base| .cse0) (let ((.cse1 (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|))) (and (= .cse0 .cse1) (= (select (select |#memory_$Pointer$.offset| |g_#in~p1.base|) |g_#in~p1.offset|) g_~pq~0.offset) (= g_~pq~0.base .cse1))))) [2021-02-23 23:05:07,848 INFO L185 CegarLoopUtils]: At program point L6(lines 6 11) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= g_~p1.offset |g_#in~p1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base)) [2021-02-23 23:05:07,848 INFO L185 CegarLoopUtils]: At program point L7-1(line 7) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= g_~p2.offset |g_#in~p2.offset|) (= (select (select |#memory_$Pointer$.offset| g_~p2.base) g_~p2.offset) |g_#t~mem7.offset|) (= |#memory_int| |old(#memory_int)|) (= |g_#in~p2.base| g_~p2.base) (= (select (select |#memory_$Pointer$.base| g_~p2.base) g_~p2.offset) |g_#t~mem7.base|) (= g_~p1.offset |g_#in~p1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base)) [2021-02-23 23:05:07,848 INFO L185 CegarLoopUtils]: At program point L7-2(line 7) the Hoare annotation is: (let ((.cse3 (= g_~pq~0.base g_~p1.base)) (.cse2 (= g_~p2.offset |g_#in~p2.offset|)) (.cse1 (select (select |#memory_$Pointer$.base| g_~p2.base) g_~p2.offset)) (.cse0 (select (select |#memory_$Pointer$.offset| g_~p2.base) g_~p2.offset))) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= .cse0 |g_#t~mem7.offset|) (= |#memory_int| |old(#memory_int)|) (= |g_#in~p2.base| g_~p2.base) (or (and (= |g_#in~p1.base| .cse1) .cse2) (not .cse3)) (= .cse1 |g_#t~mem7.base|) (or .cse3 (and .cse2 (= g_~pq~0.base .cse1) (= g_~pq~0.offset .cse0))) (= g_~p1.offset |g_#in~p1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |g_#in~p1.base| g_~p1.base))) [2021-02-23 23:05:07,848 INFO L185 CegarLoopUtils]: At program point gFINAL(lines 6 11) the Hoare annotation is: (let ((.cse1 (select (select |old(#memory_$Pointer$.base)| |g_#in~p2.base|) |g_#in~p2.offset|))) (let ((.cse0 (= |g_#in~p1.base| .cse1)) (.cse3 (select (select |#memory_$Pointer$.offset| |g_#in~p1.base|) |g_#in~p1.offset|)) (.cse2 (select (select |#memory_$Pointer$.base| |g_#in~p1.base|) |g_#in~p1.offset|))) (and (or .cse0 (and (= .cse1 .cse2) (= (select (select |#memory_int| .cse2) .cse3) 0))) (or .cse0 (and (= .cse3 g_~pq~0.offset) (= g_~pq~0.base .cse2)))))) [2021-02-23 23:05:07,849 INFO L185 CegarLoopUtils]: At program point gENTRY(lines 6 11) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2021-02-23 23:05:07,849 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2021-02-23 23:05:07,849 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-23 23:05:07,849 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-23 23:05:07,849 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2021-02-23 23:05:07,849 INFO L185 CegarLoopUtils]: At program point L27(line 27) the Hoare annotation is: (and (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#b~0.base|) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-23 23:05:07,849 INFO L192 CegarLoopUtils]: At program point mainEXIT(lines 22 48) the Hoare annotation is: true [2021-02-23 23:05:07,850 INFO L185 CegarLoopUtils]: At program point L23(line 23) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= (select |#valid| |main_~#a~0.base|) 1) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2021-02-23 23:05:07,850 INFO L185 CegarLoopUtils]: At program point L23-1(line 23) the Hoare annotation is: (and (= (select |#valid| |main_~#b~0.base|) 1) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |#memory_int| |old(#memory_int)|) (= (select |#valid| |main_~#a~0.base|) 1) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2021-02-23 23:05:07,850 INFO L192 CegarLoopUtils]: At program point L23-2(line 23) the Hoare annotation is: true [2021-02-23 23:05:07,850 INFO L192 CegarLoopUtils]: At program point L23-3(line 23) the Hoare annotation is: true [2021-02-23 23:05:07,850 INFO L192 CegarLoopUtils]: At program point L23-4(line 23) the Hoare annotation is: true [2021-02-23 23:05:07,850 INFO L192 CegarLoopUtils]: At program point L23-5(line 23) the Hoare annotation is: true [2021-02-23 23:05:07,850 INFO L185 CegarLoopUtils]: At program point L23-6(line 23) the Hoare annotation is: false [2021-02-23 23:05:07,851 INFO L185 CegarLoopUtils]: At program point L23-7(line 23) the Hoare annotation is: false [2021-02-23 23:05:07,851 INFO L185 CegarLoopUtils]: At program point L23-8(line 23) the Hoare annotation is: false [2021-02-23 23:05:07,851 INFO L185 CegarLoopUtils]: At program point L23-9(line 23) the Hoare annotation is: false [2021-02-23 23:05:07,851 INFO L192 CegarLoopUtils]: At program point L44(line 44) the Hoare annotation is: true [2021-02-23 23:05:07,851 INFO L185 CegarLoopUtils]: At program point L40(line 40) the Hoare annotation is: (and (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)) 0) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) 1) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-23 23:05:07,851 INFO L185 CegarLoopUtils]: At program point L40-1(line 40) the Hoare annotation is: (and (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)) 0) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select (select |#memory_int| |main_#t~mem14.base|) |main_#t~mem14.offset|) 0) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) 1) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-23 23:05:07,852 INFO L185 CegarLoopUtils]: At program point L40-2(lines 40 42) the Hoare annotation is: (and (= (select |#valid| |main_~#b~0.base|) 1) (= |main_#t~mem15| 0) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)) 0) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select (select |#memory_int| |main_#t~mem14.base|) |main_#t~mem14.offset|) 0) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) 1) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-23 23:05:07,852 INFO L185 CegarLoopUtils]: At program point L40-3(line 40) the Hoare annotation is: false [2021-02-23 23:05:07,852 INFO L185 CegarLoopUtils]: At program point L36(line 36) the Hoare annotation is: (and (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)) 0) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) 1) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-23 23:05:07,852 INFO L185 CegarLoopUtils]: At program point L40-4(line 40) the Hoare annotation is: false [2021-02-23 23:05:07,853 INFO L185 CegarLoopUtils]: At program point L36-1(lines 36 38) the Hoare annotation is: (and (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)) 0) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= |main_#t~mem13| 1) (= (select |#valid| |main_~#a~0.base|) 1) (= (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) 1) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-23 23:05:07,853 INFO L192 CegarLoopUtils]: At program point L40-5(line 40) the Hoare annotation is: true [2021-02-23 23:05:07,853 INFO L185 CegarLoopUtils]: At program point L36-2(line 36) the Hoare annotation is: false [2021-02-23 23:05:07,853 INFO L192 CegarLoopUtils]: At program point L40-6(line 40) the Hoare annotation is: true [2021-02-23 23:05:07,853 INFO L185 CegarLoopUtils]: At program point L36-3(line 36) the Hoare annotation is: (and (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)) 0) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= |main_#t~mem13| 1) (= (select |#valid| |main_~#a~0.base|) 1) (= (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) 1) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-23 23:05:07,854 INFO L185 CegarLoopUtils]: At program point L32(line 32) the Hoare annotation is: (and (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= 5 |main_#t~mem9|) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#b~0.base|) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= 5 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-23 23:05:07,854 INFO L185 CegarLoopUtils]: At program point L32-1(line 32) the Hoare annotation is: (and (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (= 5 |main_#t~post10|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= 5 |main_#t~mem9|) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#b~0.base|) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= 5 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-23 23:05:07,854 INFO L185 CegarLoopUtils]: At program point L32-2(line 32) the Hoare annotation is: (and (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (= 5 |main_#t~post10|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= 5 |main_#t~mem9|) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#b~0.base|) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) 4) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-23 23:05:07,854 INFO L185 CegarLoopUtils]: At program point L32-3(line 32) the Hoare annotation is: (and (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (= 5 |main_#t~post10|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#b~0.base|) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) 4) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-23 23:05:07,855 INFO L185 CegarLoopUtils]: At program point L24(line 24) the Hoare annotation is: (and (= (select |#valid| |main_~#b~0.base|) 1) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |#memory_int| |old(#memory_int)|) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-23 23:05:07,855 INFO L185 CegarLoopUtils]: At program point L24-1(line 24) the Hoare annotation is: (and (= (select |#valid| |main_~#b~0.base|) 1) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |#memory_int| |old(#memory_int)|) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-23 23:05:07,855 INFO L192 CegarLoopUtils]: At program point L24-2(line 24) the Hoare annotation is: true [2021-02-23 23:05:07,855 INFO L192 CegarLoopUtils]: At program point L24-3(line 24) the Hoare annotation is: true [2021-02-23 23:05:07,855 INFO L192 CegarLoopUtils]: At program point L24-4(line 24) the Hoare annotation is: true [2021-02-23 23:05:07,855 INFO L192 CegarLoopUtils]: At program point L24-5(line 24) the Hoare annotation is: true [2021-02-23 23:05:07,856 INFO L185 CegarLoopUtils]: At program point L24-6(line 24) the Hoare annotation is: false [2021-02-23 23:05:07,856 INFO L185 CegarLoopUtils]: At program point L24-7(line 24) the Hoare annotation is: false [2021-02-23 23:05:07,856 INFO L185 CegarLoopUtils]: At program point L24-8(line 24) the Hoare annotation is: false [2021-02-23 23:05:07,856 INFO L185 CegarLoopUtils]: At program point L24-9(line 24) the Hoare annotation is: false [2021-02-23 23:05:07,856 INFO L185 CegarLoopUtils]: At program point L41(lines 22 48) the Hoare annotation is: false [2021-02-23 23:05:07,856 INFO L185 CegarLoopUtils]: At program point L29(line 29) the Hoare annotation is: (and (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#b~0.base|) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-23 23:05:07,857 INFO L185 CegarLoopUtils]: At program point L46(line 46) the Hoare annotation is: false [2021-02-23 23:05:07,857 INFO L192 CegarLoopUtils]: At program point mainFINAL(lines 22 48) the Hoare annotation is: true [2021-02-23 23:05:07,857 INFO L185 CegarLoopUtils]: At program point L34(line 34) the Hoare annotation is: (and (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#b~0.base|) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) 4) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-23 23:05:07,857 INFO L185 CegarLoopUtils]: At program point L34-1(line 34) the Hoare annotation is: (and (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (= |main_#t~mem11| 4) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#b~0.base|) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) 4) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-23 23:05:07,857 INFO L185 CegarLoopUtils]: At program point L34-2(line 34) the Hoare annotation is: (and (= |main_#t~ret12| 1) (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (= |main_#t~mem11| 4) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= (select (select (store |#memory_int| |main_~#a~0.base| (store (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset| |main_#t~ret12|)) (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)) 0) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-23 23:05:07,858 INFO L185 CegarLoopUtils]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) the Hoare annotation is: false [2021-02-23 23:05:07,858 INFO L185 CegarLoopUtils]: At program point L34-3(line 34) the Hoare annotation is: (and (= |main_#t~ret12| 1) (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (= |main_#t~mem11| 4) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= (select (select (store |#memory_int| |main_~#a~0.base| (store (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset| |main_#t~ret12|)) (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)) 0) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-23 23:05:07,858 INFO L185 CegarLoopUtils]: At program point L30(line 30) the Hoare annotation is: (and (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#b~0.base|) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= 5 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-23 23:05:07,859 INFO L185 CegarLoopUtils]: At program point L34-4(line 34) the Hoare annotation is: (let ((.cse0 (select |#memory_int| |main_~#a~0.base|))) (and (= |main_#t~ret12| 1) (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (= |main_#t~mem11| 4) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= (select .cse0 |main_~#a~0.offset|) 1) (= (select (select (store |#memory_int| |main_~#a~0.base| (store .cse0 |main_~#a~0.offset| |main_#t~ret12|)) (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)) 0) (not (= |main_~#b~0.base| |main_~#p1~0.base|)))) [2021-02-23 23:05:07,859 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 22 48) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2021-02-23 23:05:07,859 INFO L185 CegarLoopUtils]: At program point L34-5(line 34) the Hoare annotation is: (let ((.cse0 (select |#memory_int| |main_~#a~0.base|))) (and (= |main_#t~ret12| 1) (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= (select .cse0 |main_~#a~0.offset|) 1) (= (select (select (store |#memory_int| |main_~#a~0.base| (store .cse0 |main_~#a~0.offset| |main_#t~ret12|)) (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)) 0) (not (= |main_~#b~0.base| |main_~#p1~0.base|)))) [2021-02-23 23:05:07,859 INFO L185 CegarLoopUtils]: At program point L26(line 26) the Hoare annotation is: (and (= (select |#valid| |main_~#b~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p2~0.base|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (not (= |main_~#b~0.base| |main_~#p1~0.base|))) [2021-02-23 23:05:07,859 INFO L185 CegarLoopUtils]: At program point L47(line 47) the Hoare annotation is: false [2021-02-23 23:05:07,875 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:07,877 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:07,877 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:07,878 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:07,878 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:07,878 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:07,878 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:07,879 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:07,879 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:07,883 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:07,883 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:07,883 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:07,884 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:07,884 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:07,884 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:07,884 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:07,885 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:07,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 11:05:07 BoogieIcfgContainer [2021-02-23 23:05:07,889 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 23:05:07,890 INFO L168 Benchmark]: Toolchain (without parser) took 7917.76 ms. Allocated memory was 151.0 MB in the beginning and 218.1 MB in the end (delta: 67.1 MB). Free memory was 127.2 MB in the beginning and 113.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 120.1 MB. Max. memory is 8.0 GB. [2021-02-23 23:05:07,891 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory is still 124.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 23:05:07,892 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.41 ms. Allocated memory is still 151.0 MB. Free memory was 126.1 MB in the beginning and 116.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-02-23 23:05:07,892 INFO L168 Benchmark]: Boogie Preprocessor took 71.23 ms. Allocated memory is still 151.0 MB. Free memory was 116.5 MB in the beginning and 114.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-23 23:05:07,893 INFO L168 Benchmark]: RCFGBuilder took 692.88 ms. Allocated memory is still 151.0 MB. Free memory was 114.9 MB in the beginning and 123.3 MB in the end (delta: -8.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2021-02-23 23:05:07,894 INFO L168 Benchmark]: TraceAbstraction took 6763.44 ms. Allocated memory was 151.0 MB in the beginning and 218.1 MB in the end (delta: 67.1 MB). Free memory was 123.3 MB in the beginning and 113.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 115.9 MB. Max. memory is 8.0 GB. [2021-02-23 23:05:07,897 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory is still 124.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 363.41 ms. Allocated memory is still 151.0 MB. Free memory was 126.1 MB in the beginning and 116.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 71.23 ms. Allocated memory is still 151.0 MB. Free memory was 116.5 MB in the beginning and 114.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 692.88 ms. Allocated memory is still 151.0 MB. Free memory was 114.9 MB in the beginning and 123.3 MB in the end (delta: -8.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 6763.44 ms. Allocated memory was 151.0 MB in the beginning and 218.1 MB in the end (delta: 67.1 MB). Free memory was 123.3 MB in the beginning and 113.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 115.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: 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: 22]: Loop Invariant Derived loop invariant: 0 - ProcedureContractResult [Line: 13]: Procedure Contract for f [2021-02-23 23:05:07,906 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:07,907 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:07,907 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:07,907 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:07,907 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:07,908 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:07,908 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:07,908 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:07,908 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:07,909 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:07,909 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:07,909 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:07,910 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:07,910 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:07,910 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:07,910 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:07,911 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:07,911 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived contract for procedure f: (((1 <= \result && ((#memory_$Pointer$[p1][p1] == \old(#memory_$Pointer$)[p2][p2] && unknown-#memory_int-unknown[#memory_$Pointer$[p1][p1]][#memory_$Pointer$[p1][p1]] == 0) || p1 == \old(#memory_$Pointer$)[p2][p2])) && \old(a) == a) && \result <= 1) || ((((#memory_$Pointer$ == \old(#memory_$Pointer$) && \old(a) == a) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && !(\old(a) == 4)) - ProcedureContractResult [Line: 6]: Procedure Contract for g [2021-02-23 23:05:07,912 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:07,912 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:07,912 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:07,912 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:07,913 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:07,913 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:07,913 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:07,913 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:07,914 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:07,914 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:07,915 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:07,915 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:07,915 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:07,915 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:07,916 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:07,916 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived contract for procedure g: (p1 == \old(#memory_$Pointer$)[p2][p2] || (\old(#memory_$Pointer$)[p2][p2] == #memory_$Pointer$[p1][p1] && unknown-#memory_int-unknown[#memory_$Pointer$[p1][p1]][#memory_$Pointer$[p1][p1]] == 0)) && (p1 == \old(#memory_$Pointer$)[p2][p2] || (#memory_$Pointer$[p1][p1] == pq && pq == #memory_$Pointer$[p1][p1])) - ProcedureContractResult [Line: 22]: Procedure Contract for main Derived contract for procedure main: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 90 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 139 SDtfs, 218 SDslu, 487 SDs, 0 SdLazy, 1180 SolverSat, 71 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 442 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 87 LocationsWithAnnotation, 87 PreInvPairs, 114 NumberOfFragments, 1969 HoareAnnotationTreeSize, 87 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 87 FomulaSimplificationsInter, 881 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 155 NumberOfCodeBlocks, 155 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 152 ConstructedInterpolants, 0 QuantifiedInterpolants, 72590 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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...