/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/test09.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 23:05:04,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 23:05:04,120 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 23:05:04,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 23:05:04,181 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 23:05:04,186 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 23:05:04,190 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 23:05:04,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 23:05:04,201 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 23:05:04,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 23:05:04,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 23:05:04,210 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 23:05:04,211 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 23:05:04,214 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 23:05:04,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 23:05:04,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 23:05:04,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 23:05:04,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 23:05:04,244 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 23:05:04,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 23:05:04,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 23:05:04,265 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 23:05:04,266 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 23:05:04,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 23:05:04,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-23 23:05:04,274 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-23 23:05:04,274 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-23 23:05:04,279 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-23 23:05:04,280 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-23 23:05:04,282 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-23 23:05:04,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-23 23:05:04,283 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-23 23:05:04,284 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-23 23:05:04,285 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-23 23:05:04,286 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-23 23:05:04,286 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-23 23:05:04,287 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-23 23:05:04,287 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-23 23:05:04,288 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 23:05:04,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 23:05:04,289 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 23:05:04,291 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 23:05:04,303 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 23:05:04,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 23:05:04,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 23:05:04,306 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 23:05:04,306 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 23:05:04,306 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 23:05:04,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 23:05:04,307 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 23:05:04,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 23:05:04,307 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 23:05:04,307 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 23:05:04,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 23:05:04,308 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 23:05:04,308 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 23:05:04,308 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 23:05:04,308 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 23:05:04,308 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 23:05:04,309 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 23:05:04,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 23:05:04,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 23:05:04,309 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 23:05:04,309 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 23:05:04,310 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-23 23:05:04,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 23:05:04,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 23:05:04,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 23:05:04,818 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 23:05:04,818 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 23:05:04,819 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test09.c [2021-02-23 23:05:04,917 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6efad15d/6141d973387246e79df51cc6757e70a7/FLAGb608950e1 [2021-02-23 23:05:05,486 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 23:05:05,487 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test09.c [2021-02-23 23:05:05,496 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6efad15d/6141d973387246e79df51cc6757e70a7/FLAGb608950e1 [2021-02-23 23:05:05,858 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6efad15d/6141d973387246e79df51cc6757e70a7 [2021-02-23 23:05:05,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 23:05:05,873 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 23:05:05,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 23:05:05,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 23:05:05,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 23:05:05,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 11:05:05" (1/1) ... [2021-02-23 23:05:05,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5489d38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:05, skipping insertion in model container [2021-02-23 23:05:05,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 11:05:05" (1/1) ... [2021-02-23 23:05:05,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 23:05:05,913 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 23:05:06,078 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/test09.c[592,605] [2021-02-23 23:05:06,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 23:05:06,095 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 23:05:06,115 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/test09.c[592,605] [2021-02-23 23:05:06,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 23:05:06,134 INFO L208 MainTranslator]: Completed translation [2021-02-23 23:05:06,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:06 WrapperNode [2021-02-23 23:05:06,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 23:05:06,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 23:05:06,137 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 23:05:06,137 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 23:05:06,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:06" (1/1) ... [2021-02-23 23:05:06,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:06" (1/1) ... [2021-02-23 23:05:06,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:06" (1/1) ... [2021-02-23 23:05:06,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:06" (1/1) ... [2021-02-23 23:05:06,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:06" (1/1) ... [2021-02-23 23:05:06,172 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:06" (1/1) ... [2021-02-23 23:05:06,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:06" (1/1) ... [2021-02-23 23:05:06,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 23:05:06,177 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 23:05:06,177 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 23:05:06,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 23:05:06,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 23:05:06,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 23:05:06,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 23:05:06,332 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 23:05:06,333 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-02-23 23:05:06,333 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 23:05:06,333 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 23:05:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 23:05:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 23:05:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 23:05:06,335 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-02-23 23:05:06,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 23:05:06,335 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 23:05:06,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 23:05:06,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 23:05:06,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 23:05:06,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 23:05:06,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 23:05:06,733 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 23:05:06,733 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-23 23:05:06,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:05:06 BoogieIcfgContainer [2021-02-23 23:05:06,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 23:05:06,737 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 23:05:06,737 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 23:05:06,741 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 23:05:06,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 11:05:05" (1/3) ... [2021-02-23 23:05:06,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c1ba807 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 11:05:06, skipping insertion in model container [2021-02-23 23:05:06,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:06" (2/3) ... [2021-02-23 23:05:06,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c1ba807 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 11:05:06, skipping insertion in model container [2021-02-23 23:05:06,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:05:06" (3/3) ... [2021-02-23 23:05:06,744 INFO L111 eAbstractionObserver]: Analyzing ICFG test09.c [2021-02-23 23:05:06,751 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 23:05:06,756 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 23:05:06,780 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 23:05:06,850 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 23:05:06,852 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 23:05:06,852 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-23 23:05:06,853 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 23:05:06,853 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 23:05:06,853 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 23:05:06,853 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 23:05:06,853 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 23:05:06,895 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2021-02-23 23:05:06,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-02-23 23:05:06,918 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:05:06,920 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] [2021-02-23 23:05:06,920 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:05:06,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:05:06,937 INFO L82 PathProgramCache]: Analyzing trace with hash -1622087812, now seen corresponding path program 1 times [2021-02-23 23:05:06,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:05:06,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [96510338] [2021-02-23 23:05:06,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:05:07,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:05:07,455 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:07,458 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:05:07,491 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:07,494 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 23:05:07,519 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:07,523 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-23 23:05:07,564 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:07,571 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-23 23:05:07,597 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:07,599 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 23:05:07,617 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:07,622 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-23 23:05:07,644 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:07,648 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-23 23:05:07,673 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:07,675 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-23 23:05:07,678 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:07,680 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:05:07,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:05:07,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:05:07,822 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:07,824 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:05:07,825 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:07,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:05:07,848 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:07,849 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:05:07,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-02-23 23:05:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:05:07,944 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:07,944 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:05:07,964 WARN L141 QuantifierPusher]: treesize reduction 9, result has 72.7 percent of original size [2021-02-23 23:05:07,966 WARN L147 QuantifierPusher]: treesize reduction 9, result has 72.7 percent of original size 24 [2021-02-23 23:05:08,001 WARN L141 QuantifierPusher]: treesize reduction 19, result has 59.6 percent of original size [2021-02-23 23:05:08,005 WARN L147 QuantifierPusher]: treesize reduction 19, result has 59.6 percent of original size 28 [2021-02-23 23:05:08,047 WARN L141 QuantifierPusher]: treesize reduction 9, result has 72.7 percent of original size [2021-02-23 23:05:08,048 WARN L147 QuantifierPusher]: treesize reduction 9, result has 72.7 percent of original size 24 [2021-02-23 23:05:08,101 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:08,105 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-23 23:05:08,164 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 23:05:08,165 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [96510338] [2021-02-23 23:05:08,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:05:08,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-02-23 23:05:08,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834834391] [2021-02-23 23:05:08,174 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-02-23 23:05:08,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:05:08,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-02-23 23:05:08,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2021-02-23 23:05:08,196 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 16 states. [2021-02-23 23:05:08,935 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2021-02-23 23:05:09,120 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-02-23 23:05:09,329 WARN L202 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2021-02-23 23:05:09,546 WARN L202 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2021-02-23 23:05:09,788 WARN L202 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 87 [2021-02-23 23:05:09,990 WARN L202 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2021-02-23 23:05:10,196 WARN L202 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2021-02-23 23:05:10,371 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 77 [2021-02-23 23:05:10,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:05:10,513 INFO L93 Difference]: Finished difference Result 75 states and 76 transitions. [2021-02-23 23:05:10,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-23 23:05:10,515 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 47 [2021-02-23 23:05:10,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:05:10,524 INFO L225 Difference]: With dead ends: 75 [2021-02-23 23:05:10,524 INFO L226 Difference]: Without dead ends: 49 [2021-02-23 23:05:10,528 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=278, Invalid=714, Unknown=0, NotChecked=0, Total=992 [2021-02-23 23:05:10,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-02-23 23:05:10,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-02-23 23:05:10,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2021-02-23 23:05:10,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 48 transitions. [2021-02-23 23:05:10,578 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 48 transitions. Word has length 47 [2021-02-23 23:05:10,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:05:10,578 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 48 transitions. [2021-02-23 23:05:10,579 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2021-02-23 23:05:10,579 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 48 transitions. [2021-02-23 23:05:10,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-02-23 23:05:10,580 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:05:10,581 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] [2021-02-23 23:05:10,581 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 23:05:10,581 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:05:10,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:05:10,582 INFO L82 PathProgramCache]: Analyzing trace with hash 243061310, now seen corresponding path program 1 times [2021-02-23 23:05:10,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:05:10,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1236232769] [2021-02-23 23:05:10,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:05:10,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:05:10,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:10,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:05:10,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:10,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:05:10,630 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:10,631 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:05:10,636 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:10,636 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:05:10,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:10,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:05:10,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:05:10,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:05:10,702 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:10,703 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:05:10,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-02-23 23:05:10,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:05:10,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:10,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:05:10,723 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:10,724 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:05:10,729 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 23:05:10,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1236232769] [2021-02-23 23:05:10,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:05:10,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-23 23:05:10,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210310902] [2021-02-23 23:05:10,731 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 23:05:10,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:05:10,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 23:05:10,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-02-23 23:05:10,733 INFO L87 Difference]: Start difference. First operand 49 states and 48 transitions. Second operand 7 states. [2021-02-23 23:05:10,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:05:10,885 INFO L93 Difference]: Finished difference Result 49 states and 48 transitions. [2021-02-23 23:05:10,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-23 23:05:10,886 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 48 [2021-02-23 23:05:10,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:05:10,887 INFO L225 Difference]: With dead ends: 49 [2021-02-23 23:05:10,887 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 23:05:10,888 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-02-23 23:05:10,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 23:05:10,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 23:05:10,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 23:05:10,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 23:05:10,889 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 48 [2021-02-23 23:05:10,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:05:10,890 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 23:05:10,890 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 23:05:10,890 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 23:05:10,890 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 23:05:10,890 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 23:05:10,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 23:05:11,352 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 37 [2021-02-23 23:05:11,508 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 41 [2021-02-23 23:05:11,860 WARN L202 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 41 [2021-02-23 23:05:12,393 WARN L202 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 41 [2021-02-23 23:05:12,607 WARN L202 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 45 [2021-02-23 23:05:12,811 WARN L202 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 47 [2021-02-23 23:05:12,993 WARN L202 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 51 [2021-02-23 23:05:13,168 WARN L202 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 49 [2021-02-23 23:05:13,360 WARN L202 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 45 [2021-02-23 23:05:13,457 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-23 23:05:13,458 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-23 23:05:13,458 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-23 23:05:13,458 INFO L185 CegarLoopUtils]: At program point L3-2(line 3) the Hoare annotation is: (and (= ~p1~0.offset |old(~p1~0.offset)|) (= ~p1~0.base |old(~p1~0.base)|)) [2021-02-23 23:05:13,459 INFO L185 CegarLoopUtils]: At program point L3-3(line 3) the Hoare annotation is: (and (= ~p1~0.offset |old(~p1~0.offset)|) (= ~p1~0.base |old(~p1~0.base)|)) [2021-02-23 23:05:13,459 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= ~p1~0.offset |old(~p1~0.offset)|) (= ~p1~0.base |old(~p1~0.base)|)) [2021-02-23 23:05:13,459 INFO L185 CegarLoopUtils]: At program point L3-4(line 3) the Hoare annotation is: (and (= ~p1~0.offset |old(~p1~0.offset)|) (= ~p1~0.base |old(~p1~0.base)|)) [2021-02-23 23:05:13,459 INFO L185 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: (and (= ~p1~0.offset |old(~p1~0.offset)|) (= ~p1~0.base |old(~p1~0.base)|)) [2021-02-23 23:05:13,459 INFO L185 CegarLoopUtils]: At program point L3-5(line 3) the Hoare annotation is: (and (= ~p1~0.offset |old(~p1~0.offset)|) (= ~p1~0.base |old(~p1~0.base)|)) [2021-02-23 23:05:13,459 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: (and (= (select |#valid| |~#a~0.base|) 1) (not (= |~#b~0.base| |~#a~0.base|))) [2021-02-23 23:05:13,460 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |~#a~0.offset| |old(~#a~0.offset)|) (= ~p2~0.offset |old(~p2~0.offset)|) (= |~#b~0.base| |old(~#b~0.base)|) (= ~p1~0.offset |old(~p1~0.offset)|) (= |~#a~0.base| |old(~#a~0.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~p2~0.base |old(~p2~0.base)|) (= |~#b~0.offset| |old(~#b~0.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~p1~0.base |old(~p1~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-23 23:05:13,460 INFO L185 CegarLoopUtils]: At program point L7(line 7) the Hoare annotation is: (and (= (select |#valid| |~#a~0.base|) 1) (not (= |~#b~0.base| |~#a~0.base|))) [2021-02-23 23:05:13,460 INFO L185 CegarLoopUtils]: At program point L6(line 6) the Hoare annotation is: (and (= (select |#valid| |~#a~0.base|) 1) (= ~p1~0.offset |old(~p1~0.offset)|) (= ~p1~0.base |old(~p1~0.base)|)) [2021-02-23 23:05:13,460 INFO L185 CegarLoopUtils]: At program point L6-1(line 6) the Hoare annotation is: (and (= (select |#valid| |~#a~0.base|) 1) (= ~p1~0.offset |old(~p1~0.offset)|) (= ~p1~0.base |old(~p1~0.base)|)) [2021-02-23 23:05:13,460 INFO L185 CegarLoopUtils]: At program point L6-2(line 6) the Hoare annotation is: (and (= (select |#valid| |~#a~0.base|) 1) (= ~p1~0.offset |old(~p1~0.offset)|) (= ~p1~0.base |old(~p1~0.base)|) (not (= |~#b~0.base| |~#a~0.base|))) [2021-02-23 23:05:13,461 INFO L185 CegarLoopUtils]: At program point L3(line 3) the Hoare annotation is: (and (= ~p1~0.offset |old(~p1~0.offset)|) (= ~p1~0.base |old(~p1~0.base)|)) [2021-02-23 23:05:13,461 INFO L185 CegarLoopUtils]: At program point L6-3(line 6) the Hoare annotation is: (and (= (select |#valid| |~#a~0.base|) 1) (= ~p1~0.offset |old(~p1~0.offset)|) (= ~p1~0.base |old(~p1~0.base)|) (not (= |~#b~0.base| |~#a~0.base|))) [2021-02-23 23:05:13,461 INFO L185 CegarLoopUtils]: At program point L3-1(line 3) the Hoare annotation is: (and (= ~p1~0.offset |old(~p1~0.offset)|) (= ~p1~0.base |old(~p1~0.base)|)) [2021-02-23 23:05:13,461 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: (and (= (select |#valid| |~#a~0.base|) 1) (not (= |~#b~0.base| |~#a~0.base|))) [2021-02-23 23:05:13,462 INFO L185 CegarLoopUtils]: At program point fFINAL(lines 9 17) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)) (not (= ~p2~0.offset |~#b~0.offset|)) (and (< 0 f_~v~0) (<= f_~v~0 1) (= ~p2~0.base ~p1~0.base) (= ~p2~0.offset ~p1~0.offset)) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |~#b~0.base| ~p2~0.base)) (= |~#b~0.base| |~#a~0.base|) (not (= (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset) 1))) [2021-02-23 23:05:13,462 INFO L185 CegarLoopUtils]: At program point L15(line 15) the Hoare annotation is: (or (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |~#a~0.offset| |old(~p1~0.offset)|)) (not (= ~p2~0.offset |~#b~0.offset|)) (not (= (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset) 1)) (= |~#a~0.base| |~#b~0.base|) (not (= (select |#valid| |~#a~0.base|) 1)) (not (= ~p2~0.base |~#b~0.base|))) [2021-02-23 23:05:13,462 INFO L185 CegarLoopUtils]: At program point L13(line 13) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)) (not (= ~p2~0.offset |~#b~0.offset|)) (and (< 0 f_~v~0) (<= f_~v~0 1) (= ~p2~0.base ~p1~0.base) (= ~p2~0.offset ~p1~0.offset)) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |~#b~0.base| ~p2~0.base)) (= |~#b~0.base| |~#a~0.base|) (not (= (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset) 1))) [2021-02-23 23:05:13,462 INFO L185 CegarLoopUtils]: At program point L12(line 12) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)) (not (= ~p2~0.offset |~#b~0.offset|)) (and (< 0 f_~v~0) (<= f_~v~0 1) (= |old(~p1~0.offset)| ~p1~0.offset) (= |old(~p1~0.base)| ~p1~0.base)) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |~#b~0.base| ~p2~0.base)) (= |~#b~0.base| |~#a~0.base|) (not (= (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset) 1))) [2021-02-23 23:05:13,463 INFO L185 CegarLoopUtils]: At program point L11(lines 11 16) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)) (not (= ~p2~0.offset |~#b~0.offset|)) (and (< 0 f_~v~0) (<= f_~v~0 1) (= |old(~p1~0.offset)| ~p1~0.offset) (= |old(~p1~0.base)| ~p1~0.base)) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |~#b~0.base| ~p2~0.base)) (= |~#b~0.base| |~#a~0.base|) (not (= (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset) 1))) [2021-02-23 23:05:13,463 INFO L185 CegarLoopUtils]: At program point L10(line 10) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)) (not (= ~p2~0.offset |~#b~0.offset|)) (and (= |f_#t~mem7| (select (select |#memory_int| |old(~p1~0.base)|) |old(~p1~0.offset)|)) (= |old(~p1~0.offset)| ~p1~0.offset) (= |old(~p1~0.base)| ~p1~0.base)) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |~#b~0.base| ~p2~0.base)) (= |~#b~0.base| |~#a~0.base|) (not (= (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset) 1))) [2021-02-23 23:05:13,463 INFO L185 CegarLoopUtils]: At program point L10-1(line 10) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)) (not (= ~p2~0.offset |~#b~0.offset|)) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |~#b~0.base| ~p2~0.base)) (and (= |f_#t~mem7| (select (select |#memory_int| |old(~p1~0.base)|) |old(~p1~0.offset)|)) (= (select (select |#memory_int| ~p2~0.base) ~p2~0.offset) |f_#t~mem8|) (= |old(~p1~0.offset)| ~p1~0.offset) (= |old(~p1~0.base)| ~p1~0.base)) (= |~#b~0.base| |~#a~0.base|) (not (= (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset) 1))) [2021-02-23 23:05:13,463 INFO L185 CegarLoopUtils]: At program point L10-2(line 10) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)) (not (= ~p2~0.offset |~#b~0.offset|)) (and (= |f_#t~mem7| (select (select |#memory_int| |old(~p1~0.base)|) |old(~p1~0.offset)|)) (= (select (select |#memory_int| ~p2~0.base) ~p2~0.offset) |f_#t~mem8|) (= |old(~p1~0.offset)| ~p1~0.offset) (= |old(~p1~0.base)| ~p1~0.base) (= |f_#t~mem9| |f_#t~mem7|)) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |~#b~0.base| ~p2~0.base)) (= |~#b~0.base| |~#a~0.base|) (not (= (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset) 1))) [2021-02-23 23:05:13,464 INFO L185 CegarLoopUtils]: At program point fEXIT(lines 9 17) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)) (not (= ~p2~0.offset |~#b~0.offset|)) (and (< 0 f_~v~0) (<= f_~v~0 1) (= ~p2~0.base ~p1~0.base) (= ~p2~0.offset ~p1~0.offset)) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |~#b~0.base| ~p2~0.base)) (= |~#b~0.base| |~#a~0.base|) (not (= (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset) 1))) [2021-02-23 23:05:13,464 INFO L185 CegarLoopUtils]: At program point L10-3(line 10) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)) (not (= ~p2~0.offset |~#b~0.offset|)) (and (< 0 f_~v~0) (= |f_#t~mem7| (select (select |#memory_int| |old(~p1~0.base)|) |old(~p1~0.offset)|)) (<= f_~v~0 1) (= (select (select |#memory_int| ~p2~0.base) ~p2~0.offset) |f_#t~mem8|) (= |old(~p1~0.offset)| ~p1~0.offset) (= |old(~p1~0.base)| ~p1~0.base) (= |f_#t~mem9| |f_#t~mem7|)) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |~#b~0.base| ~p2~0.base)) (= |~#b~0.base| |~#a~0.base|) (not (= (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset) 1))) [2021-02-23 23:05:13,464 INFO L185 CegarLoopUtils]: At program point L10-4(line 10) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)) (not (= ~p2~0.offset |~#b~0.offset|)) (and (< 0 f_~v~0) (= |f_#t~mem7| (select (select |#memory_int| |old(~p1~0.base)|) |old(~p1~0.offset)|)) (<= f_~v~0 1) (= (select (select |#memory_int| ~p2~0.base) ~p2~0.offset) |f_#t~mem8|) (= |old(~p1~0.offset)| ~p1~0.offset) (= |old(~p1~0.base)| ~p1~0.base)) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |~#b~0.base| ~p2~0.base)) (= |~#b~0.base| |~#a~0.base|) (not (= (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset) 1))) [2021-02-23 23:05:13,465 INFO L185 CegarLoopUtils]: At program point fENTRY(lines 9 17) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)) (not (= ~p2~0.offset |~#b~0.offset|)) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |~#b~0.base| ~p2~0.base)) (and (= |old(~p1~0.offset)| ~p1~0.offset) (= |old(~p1~0.base)| ~p1~0.base)) (= |~#b~0.base| |~#a~0.base|) (not (= (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset) 1))) [2021-02-23 23:05:13,465 INFO L185 CegarLoopUtils]: At program point L10-5(line 10) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)) (not (= ~p2~0.offset |~#b~0.offset|)) (and (< 0 f_~v~0) (= |f_#t~mem7| (select (select |#memory_int| |old(~p1~0.base)|) |old(~p1~0.offset)|)) (<= f_~v~0 1) (= |old(~p1~0.offset)| ~p1~0.offset) (= |old(~p1~0.base)| ~p1~0.base)) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |~#b~0.base| ~p2~0.base)) (= |~#b~0.base| |~#a~0.base|) (not (= (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset) 1))) [2021-02-23 23:05:13,465 INFO L185 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: (and (= (select |#valid| |~#a~0.base|) 1) (not (= |~#b~0.base| |~#a~0.base|))) [2021-02-23 23:05:13,465 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= (select |#valid| |~#a~0.base|) 1) (not (= |~#b~0.base| |~#a~0.base|))) [2021-02-23 23:05:13,465 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-23 23:05:13,466 INFO L185 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: (and (= (select |#valid| |~#a~0.base|) 1) (not (= |~#b~0.base| |~#a~0.base|))) [2021-02-23 23:05:13,466 INFO L185 CegarLoopUtils]: At program point L33(lines 33 35) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (= |~#b~0.base| |~#a~0.base|) (and (= (select (select |#memory_int| ~p2~0.base) ~p2~0.offset) 1000) (= ~p2~0.base ~p1~0.base) (= |main_#t~mem13| 1000) (= ~p2~0.offset ~p1~0.offset))) [2021-02-23 23:05:13,466 INFO L185 CegarLoopUtils]: At program point L33-1(line 33) the Hoare annotation is: (or (= |~#a~0.base| |~#b~0.base|) (not (= (select |#valid| |~#a~0.base|) 1))) [2021-02-23 23:05:13,466 INFO L185 CegarLoopUtils]: At program point L31(line 31) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (and (= ~p2~0.base ~p1~0.base) (= ~p2~0.offset ~p1~0.offset)) (= |~#b~0.base| |~#a~0.base|)) [2021-02-23 23:05:13,466 INFO L192 CegarLoopUtils]: At program point L33-2(line 33) the Hoare annotation is: true [2021-02-23 23:05:13,467 INFO L185 CegarLoopUtils]: At program point L31-1(line 31) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (and (= (select (select |#memory_int| ~p2~0.base) ~p2~0.offset) 1000) (= ~p2~0.base ~p1~0.base) (= ~p2~0.offset ~p1~0.offset)) (= |~#b~0.base| |~#a~0.base|)) [2021-02-23 23:05:13,467 INFO L185 CegarLoopUtils]: At program point L29(line 29) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (and (= ~p2~0.offset |~#b~0.offset|) (= |~#a~0.base| ~p1~0.base) (= |~#b~0.base| ~p2~0.base) (= (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset) 1) (= ~p1~0.offset |~#a~0.offset|)) (= |~#b~0.base| |~#a~0.base|)) [2021-02-23 23:05:13,467 INFO L185 CegarLoopUtils]: At program point L29-1(line 29) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (and (= ~p2~0.base ~p1~0.base) (= ~p2~0.offset ~p1~0.offset)) (= |~#b~0.base| |~#a~0.base|)) [2021-02-23 23:05:13,467 INFO L185 CegarLoopUtils]: At program point L27(line 27) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (and (= ~p2~0.offset |~#b~0.offset|) (= |~#a~0.base| ~p1~0.base) (= |~#b~0.base| ~p2~0.base) (= (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset) 1) (= ~p1~0.offset |~#a~0.offset|)) (= |~#b~0.base| |~#a~0.base|)) [2021-02-23 23:05:13,467 INFO L185 CegarLoopUtils]: At program point L29-2(line 29) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (and (= ~p2~0.base ~p1~0.base) (= ~p2~0.offset ~p1~0.offset)) (= |~#b~0.base| |~#a~0.base|)) [2021-02-23 23:05:13,468 INFO L185 CegarLoopUtils]: At program point L27-1(line 27) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (and (= ~p2~0.offset |~#b~0.offset|) (= |~#a~0.base| ~p1~0.base) (= |~#b~0.base| ~p2~0.base) (= (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset) 1) (= ~p1~0.offset |~#a~0.offset|)) (= |~#b~0.base| |~#a~0.base|)) [2021-02-23 23:05:13,468 INFO L185 CegarLoopUtils]: At program point L29-3(line 29) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (and (= ~p2~0.base ~p1~0.base) (= ~p2~0.offset ~p1~0.offset)) (= |~#b~0.base| |~#a~0.base|)) [2021-02-23 23:05:13,468 INFO L185 CegarLoopUtils]: At program point L25(line 25) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (and (= ~p2~0.offset |~#b~0.offset|) (= |~#a~0.base| ~p1~0.base) (= |~#b~0.base| ~p2~0.base) (= (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset) 1) (= ~p1~0.offset |~#a~0.offset|)) (= |~#b~0.base| |~#a~0.base|)) [2021-02-23 23:05:13,468 INFO L185 CegarLoopUtils]: At program point L27-2(line 27) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (and (= ~p2~0.offset |~#b~0.offset|) (= |~#a~0.base| ~p1~0.base) (= |~#b~0.base| ~p2~0.base) (= (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset) 1) (= ~p1~0.offset |~#a~0.offset|)) (= |~#b~0.base| |~#a~0.base|)) [2021-02-23 23:05:13,469 INFO L192 CegarLoopUtils]: At program point mainEXIT(lines 19 41) the Hoare annotation is: true [2021-02-23 23:05:13,469 INFO L185 CegarLoopUtils]: At program point L27-3(line 27) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (and (= ~p2~0.offset |~#b~0.offset|) (= |~#a~0.base| ~p1~0.base) (= |~#b~0.base| ~p2~0.base) (= (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset) 1) (= ~p1~0.offset |~#a~0.offset|)) (= |~#b~0.base| |~#a~0.base|)) [2021-02-23 23:05:13,469 INFO L192 CegarLoopUtils]: At program point mainFINAL(lines 19 41) the Hoare annotation is: true [2021-02-23 23:05:13,469 INFO L185 CegarLoopUtils]: At program point L40(line 40) the Hoare annotation is: (or (= |~#a~0.base| |~#b~0.base|) (not (= (select |#valid| |~#a~0.base|) 1))) [2021-02-23 23:05:13,469 INFO L185 CegarLoopUtils]: At program point L34(lines 19 41) the Hoare annotation is: (or (= |~#a~0.base| |~#b~0.base|) (not (= (select |#valid| |~#a~0.base|) 1))) [2021-02-23 23:05:13,470 INFO L185 CegarLoopUtils]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 39) the Hoare annotation is: (or (= |~#a~0.base| |~#b~0.base|) (not (= (select |#valid| |~#a~0.base|) 1))) [2021-02-23 23:05:13,470 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 19 41) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (and (= ~p2~0.base |old(~p2~0.base)|) (= |old(~p2~0.offset)| ~p2~0.offset) (= |old(~p1~0.offset)| ~p1~0.offset) (= |old(~p1~0.base)| ~p1~0.base)) (= |~#b~0.base| |~#a~0.base|)) [2021-02-23 23:05:13,470 INFO L185 CegarLoopUtils]: At program point L24(line 24) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (and (= ~p2~0.offset |~#b~0.offset|) (= |~#a~0.base| ~p1~0.base) (= |~#b~0.base| ~p2~0.base) (= ~p1~0.offset |~#a~0.offset|)) (= |~#b~0.base| |~#a~0.base|)) [2021-02-23 23:05:13,470 INFO L185 CegarLoopUtils]: At program point L24-1(line 24) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (and (= ~p2~0.offset |~#b~0.offset|) (= |~#a~0.base| ~p1~0.base) (= |~#b~0.base| ~p2~0.base) (= (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset) 1) (= ~p1~0.offset |~#a~0.offset|)) (= |~#b~0.base| |~#a~0.base|)) [2021-02-23 23:05:13,471 INFO L185 CegarLoopUtils]: At program point L22(line 22) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (and (= |~#a~0.base| ~p1~0.base) (= ~p1~0.offset |~#a~0.offset|)) (= |~#b~0.base| |~#a~0.base|)) [2021-02-23 23:05:13,471 INFO L185 CegarLoopUtils]: At program point L39(line 39) the Hoare annotation is: (or (= |~#a~0.base| |~#b~0.base|) (not (= (select |#valid| |~#a~0.base|) 1))) [2021-02-23 23:05:13,471 INFO L192 CegarLoopUtils]: At program point L37(line 37) the Hoare annotation is: true [2021-02-23 23:05:13,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 11:05:13 BoogieIcfgContainer [2021-02-23 23:05:13,494 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 23:05:13,495 INFO L168 Benchmark]: Toolchain (without parser) took 7631.50 ms. Allocated memory was 169.9 MB in the beginning and 249.6 MB in the end (delta: 79.7 MB). Free memory was 126.0 MB in the beginning and 214.8 MB in the end (delta: -88.8 MB). Peak memory consumption was 117.5 MB. Max. memory is 8.0 GB. [2021-02-23 23:05:13,496 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 169.9 MB. Free memory is still 143.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 23:05:13,497 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.88 ms. Allocated memory is still 169.9 MB. Free memory was 124.8 MB in the beginning and 115.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-02-23 23:05:13,498 INFO L168 Benchmark]: Boogie Preprocessor took 39.75 ms. Allocated memory is still 169.9 MB. Free memory was 115.3 MB in the beginning and 113.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-02-23 23:05:13,499 INFO L168 Benchmark]: RCFGBuilder took 558.24 ms. Allocated memory is still 169.9 MB. Free memory was 113.8 MB in the beginning and 137.3 MB in the end (delta: -23.5 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2021-02-23 23:05:13,500 INFO L168 Benchmark]: TraceAbstraction took 6756.83 ms. Allocated memory was 169.9 MB in the beginning and 249.6 MB in the end (delta: 79.7 MB). Free memory was 136.9 MB in the beginning and 214.8 MB in the end (delta: -77.9 MB). Peak memory consumption was 128.8 MB. Max. memory is 8.0 GB. [2021-02-23 23:05:13,503 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 169.9 MB. Free memory is still 143.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 258.88 ms. Allocated memory is still 169.9 MB. Free memory was 124.8 MB in the beginning and 115.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 39.75 ms. Allocated memory is still 169.9 MB. Free memory was 115.3 MB in the beginning and 113.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 558.24 ms. Allocated memory is still 169.9 MB. Free memory was 113.8 MB in the beginning and 137.3 MB in the end (delta: -23.5 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 6756.83 ms. Allocated memory was 169.9 MB in the beginning and 249.6 MB in the end (delta: 79.7 MB). Free memory was 136.9 MB in the beginning and 214.8 MB in the end (delta: -77.9 MB). Peak memory consumption was 128.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 39]: 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: 19]: Loop Invariant Derived loop invariant: a == b || !(\valid[a] == 1) - ProcedureContractResult [Line: 9]: Procedure Contract for f Derived contract for procedure f: ((((((!(\valid[a] == 1) || !(\old(p1) == a)) || !(p2 == b)) || (((0 < v && v <= 1) && p2 == p1) && p2 == p1)) || !(\old(p1) == a)) || !(b == p2)) || b == a) || !(unknown-#memory_int-unknown[a := unknown-#memory_int-unknown[a][a := 5]][p2][p2] == 1) - ProcedureContractResult [Line: 19]: Procedure Contract for main Derived contract for procedure main: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.0s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 74 SDtfs, 156 SDslu, 299 SDs, 0 SdLazy, 343 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 58 PreInvPairs, 72 NumberOfFragments, 1484 HoareAnnotationTreeSize, 58 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 58 FomulaSimplificationsInter, 1342 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 93 ConstructedInterpolants, 0 QuantifiedInterpolants, 30103 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...