/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/test30-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 23:05:39,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 23:05:39,418 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 23:05:39,470 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-23 23:05:39,498 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 23:05:39,501 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 23:05:39,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 23:05:39,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 23:05:39,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 23:05:39,520 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 23:05:39,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 23:05:39,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 23:05:39,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 23:05:39,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 23:05:39,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 23:05:39,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 23:05:39,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-23 23:05:39,544 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 23:05:39,558 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 23:05:39,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 23:05:39,560 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 23:05:39,560 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 23:05:39,561 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 23:05:39,561 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 23:05:39,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 23:05:39,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 23:05:39,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 23:05:39,562 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 23:05:39,562 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 23:05:39,562 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 23:05:39,562 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 23:05:39,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 23:05:39,563 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 23:05:39,563 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 23:05:39,563 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 23:05:39,563 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 23:05:39,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 23:05:39,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 23:05:39,564 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 23:05:39,564 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 23:05:39,564 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-23 23:05:39,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 23:05:39,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 23:05:39,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 23:05:39,949 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 23:05:39,949 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 23:05:39,951 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test30-1.c [2021-02-23 23:05:40,027 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7c2d38fa/be20262e21ed4a228da01fb8a997d98c/FLAG188f94785 [2021-02-23 23:05:40,630 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 23:05:40,631 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test30-1.c [2021-02-23 23:05:40,638 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7c2d38fa/be20262e21ed4a228da01fb8a997d98c/FLAG188f94785 [2021-02-23 23:05:41,018 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7c2d38fa/be20262e21ed4a228da01fb8a997d98c [2021-02-23 23:05:41,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 23:05:41,036 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 23:05:41,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 23:05:41,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 23:05:41,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 23:05:41,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 11:05:41" (1/1) ... [2021-02-23 23:05:41,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e178f5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:41, skipping insertion in model container [2021-02-23 23:05:41,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 11:05:41" (1/1) ... [2021-02-23 23:05:41,061 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 23:05:41,079 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 23:05:41,283 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/test30-1.c[560,573] [2021-02-23 23:05:41,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 23:05:41,298 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 23:05:41,315 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/test30-1.c[560,573] [2021-02-23 23:05:41,316 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 23:05:41,335 INFO L208 MainTranslator]: Completed translation [2021-02-23 23:05:41,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:41 WrapperNode [2021-02-23 23:05:41,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 23:05:41,337 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 23:05:41,337 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 23:05:41,337 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 23:05:41,351 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:41" (1/1) ... [2021-02-23 23:05:41,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:41" (1/1) ... [2021-02-23 23:05:41,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:41" (1/1) ... [2021-02-23 23:05:41,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:41" (1/1) ... [2021-02-23 23:05:41,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:41" (1/1) ... [2021-02-23 23:05:41,370 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:41" (1/1) ... [2021-02-23 23:05:41,372 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:41" (1/1) ... [2021-02-23 23:05:41,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 23:05:41,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 23:05:41,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 23:05:41,379 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 23:05:41,380 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:41" (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 23:05:41,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 23:05:41,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 23:05:41,503 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 23:05:41,503 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2021-02-23 23:05:41,504 INFO L138 BoogieDeclarations]: Found implementation of procedure assign2 [2021-02-23 23:05:41,505 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 23:05:41,505 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 23:05:41,505 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 23:05:41,505 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 23:05:41,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 23:05:41,506 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2021-02-23 23:05:41,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 23:05:41,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 23:05:41,507 INFO L130 BoogieDeclarations]: Found specification of procedure assign2 [2021-02-23 23:05:41,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-23 23:05:41,507 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 23:05:41,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 23:05:41,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 23:05:41,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-02-23 23:05:41,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 23:05:41,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-23 23:05:41,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 23:05:41,966 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 23:05:41,967 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-23 23:05:41,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:05:41 BoogieIcfgContainer [2021-02-23 23:05:41,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 23:05:41,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 23:05:41,971 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 23:05:41,976 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 23:05:41,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 11:05:41" (1/3) ... [2021-02-23 23:05:41,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7de1f813 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 11:05:41, skipping insertion in model container [2021-02-23 23:05:41,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:41" (2/3) ... [2021-02-23 23:05:41,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7de1f813 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 11:05:41, skipping insertion in model container [2021-02-23 23:05:41,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:05:41" (3/3) ... [2021-02-23 23:05:41,980 INFO L111 eAbstractionObserver]: Analyzing ICFG test30-1.c [2021-02-23 23:05:41,988 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 23:05:41,993 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 23:05:42,015 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 23:05:42,048 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 23:05:42,048 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 23:05:42,048 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-23 23:05:42,049 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 23:05:42,049 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 23:05:42,049 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 23:05:42,049 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 23:05:42,049 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 23:05:42,071 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2021-02-23 23:05:42,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-02-23 23:05:42,082 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:05:42,083 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] [2021-02-23 23:05:42,083 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:05:42,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:05:42,090 INFO L82 PathProgramCache]: Analyzing trace with hash -1432413787, now seen corresponding path program 1 times [2021-02-23 23:05:42,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:05:42,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1994247945] [2021-02-23 23:05:42,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:05:42,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:05:42,543 WARN L141 QuantifierPusher]: treesize reduction 5, result has 88.9 percent of original size [2021-02-23 23:05:42,549 WARN L147 QuantifierPusher]: treesize reduction 5, result has 88.9 percent of original size 40 [2021-02-23 23:05:42,606 WARN L141 QuantifierPusher]: treesize reduction 5, result has 88.9 percent of original size [2021-02-23 23:05:42,609 WARN L147 QuantifierPusher]: treesize reduction 5, result has 88.9 percent of original size 40 [2021-02-23 23:05:42,613 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:42,615 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-23 23:05:42,645 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:42,647 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 23:05:42,658 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:42,659 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:05:42,674 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:42,675 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:05:42,689 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:42,690 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:05:42,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:05:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:05:42,818 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:42,818 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:05:42,819 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:42,820 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:05:42,835 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:42,835 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:05:42,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:42,852 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:05:42,879 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:42,880 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 23:05:42,917 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:42,918 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-02-23 23:05:42,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 23:05:42,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:05:43,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:43,003 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 23:05:43,031 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:43,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-23 23:05:43,074 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:43,076 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-02-23 23:05:43,154 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:43,156 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-02-23 23:05:43,246 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:43,247 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-02-23 23:05:43,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 23:05:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:05:43,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:43,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:05:43,335 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:43,337 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-23 23:05:43,388 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:43,390 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-23 23:05:43,434 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:43,436 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 23:05:43,487 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 23:05:43,488 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1994247945] [2021-02-23 23:05:43,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:05:43,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-02-23 23:05:43,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852649895] [2021-02-23 23:05:43,495 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-02-23 23:05:43,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:05:43,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-02-23 23:05:43,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=412, Unknown=0, NotChecked=0, Total=462 [2021-02-23 23:05:43,513 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 22 states. [2021-02-23 23:05:44,474 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-02-23 23:05:44,773 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-02-23 23:05:44,950 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-02-23 23:05:45,272 WARN L202 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2021-02-23 23:05:45,552 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-02-23 23:05:45,826 WARN L202 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2021-02-23 23:05:46,034 WARN L202 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2021-02-23 23:05:46,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:05:46,681 INFO L93 Difference]: Finished difference Result 57 states and 56 transitions. [2021-02-23 23:05:46,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-23 23:05:46,682 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 43 [2021-02-23 23:05:46,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:05:46,692 INFO L225 Difference]: With dead ends: 57 [2021-02-23 23:05:46,692 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 23:05:46,701 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 274 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=343, Invalid=1637, Unknown=0, NotChecked=0, Total=1980 [2021-02-23 23:05:46,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 23:05:46,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 23:05:46,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 23:05:46,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 23:05:46,728 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2021-02-23 23:05:46,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:05:46,728 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 23:05:46,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2021-02-23 23:05:46,729 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 23:05:46,730 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 23:05:46,734 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 23:05:46,736 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 23:05:47,165 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 67 [2021-02-23 23:05:47,280 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 56 [2021-02-23 23:05:47,387 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 55 [2021-02-23 23:05:47,687 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 55 [2021-02-23 23:05:48,261 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 48 [2021-02-23 23:05:49,225 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 54 [2021-02-23 23:05:49,462 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 63 [2021-02-23 23:05:49,806 WARN L202 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 79 [2021-02-23 23:05:49,933 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2021-02-23 23:05:49,936 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-23 23:05:49,936 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-23 23:05:49,936 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-23 23:05:49,937 INFO L192 CegarLoopUtils]: At program point L3-2(line 3) the Hoare annotation is: true [2021-02-23 23:05:49,937 INFO L192 CegarLoopUtils]: At program point L3-3(line 3) the Hoare annotation is: true [2021-02-23 23:05:49,937 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-23 23:05:49,937 INFO L192 CegarLoopUtils]: At program point L3-4(line 3) the Hoare annotation is: true [2021-02-23 23:05:49,937 INFO L192 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-02-23 23:05:49,937 INFO L192 CegarLoopUtils]: At program point L3-5(line 3) the Hoare annotation is: true [2021-02-23 23:05:49,938 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initFINAL(lines 7 9) the Hoare annotation is: (let ((.cse0 (select |#memory_$Pointer$.offset| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4)) (.cse1 (select |#memory_$Pointer$.base| |~#global~0.base|))) (and (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|) (= |~#b~0.base| (select .cse1 .cse2)) (= (select |#valid| |~#a~0.base|) 1) (= (select .cse0 .cse2) |~#b~0.offset|) (= (select .cse1 |~#global~0.offset|) |~#a~0.base|) (= |~#global~0.offset| 0) (not (= |~#b~0.base| |~#a~0.base|)))) [2021-02-23 23:05:49,938 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |~#global~0.base| |old(~#global~0.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(~#a~0.offset)| |~#a~0.offset|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |~#b~0.base| |old(~#b~0.base)|) (= |~#global~0.offset| |old(~#global~0.offset)|) (= |old(~#a~0.base)| |~#a~0.base|) (= |old(#t~string4.offset)| |#t~string4.offset|) (= |old(~#b~0.offset)| |~#b~0.offset|) (= |old(#valid)| |#valid|) (= |old(#NULL.base)| |#NULL.base|) (= |#t~string5.base| |old(#t~string5.base)|) (= |old(#t~string6.offset)| |#t~string6.offset|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-23 23:05:49,938 INFO L185 CegarLoopUtils]: At program point L7(lines 7 9) the Hoare annotation is: (and (= (select |#valid| |~#a~0.base|) 1) (= |~#global~0.offset| 0) (not (= |~#b~0.base| |~#a~0.base|))) [2021-02-23 23:05:49,938 INFO L185 CegarLoopUtils]: At program point L7-1(lines 7 9) the Hoare annotation is: (and (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= (select |#valid| |~#a~0.base|) 1) (= (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|) |~#a~0.base|) (= |~#global~0.offset| 0) (not (= |~#b~0.base| |~#a~0.base|))) [2021-02-23 23:05:49,939 INFO L185 CegarLoopUtils]: At program point L5(line 5) the Hoare annotation is: (= (select |#valid| |~#a~0.base|) 1) [2021-02-23 23:05:49,939 INFO L185 CegarLoopUtils]: At program point L5-1(line 5) the Hoare annotation is: (= (select |#valid| |~#a~0.base|) 1) [2021-02-23 23:05:49,939 INFO L192 CegarLoopUtils]: At program point L3(line 3) the Hoare annotation is: true [2021-02-23 23:05:49,939 INFO L185 CegarLoopUtils]: At program point L5-2(line 5) the Hoare annotation is: (and (= (select |#valid| |~#a~0.base|) 1) (not (= |~#b~0.base| |~#a~0.base|))) [2021-02-23 23:05:49,939 INFO L192 CegarLoopUtils]: At program point L3-1(line 3) the Hoare annotation is: true [2021-02-23 23:05:49,939 INFO L185 CegarLoopUtils]: At program point L5-3(line 5) the Hoare annotation is: (and (= (select |#valid| |~#a~0.base|) 1) (not (= |~#b~0.base| |~#a~0.base|))) [2021-02-23 23:05:49,940 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: (let ((.cse0 (select |#memory_$Pointer$.offset| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4)) (.cse1 (select |#memory_$Pointer$.base| |~#global~0.base|))) (and (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|) (= |~#b~0.base| (select .cse1 .cse2)) (= (select |#valid| |~#a~0.base|) 1) (= (select .cse0 .cse2) |~#b~0.offset|) (= (select .cse1 |~#global~0.offset|) |~#a~0.base|) (= |~#global~0.offset| 0) (not (= |~#b~0.base| |~#a~0.base|)))) [2021-02-23 23:05:49,940 INFO L185 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: (and (= (select |#valid| |~#a~0.base|) 1) (= (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|) (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|)) (= |~#global~0.offset| 0) (not (= |~#b~0.base| |~#a~0.base|))) [2021-02-23 23:05:49,940 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (let ((.cse0 (select |#memory_$Pointer$.offset| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4)) (.cse1 (select |#memory_$Pointer$.base| |~#global~0.base|))) (and (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|) (= |~#b~0.base| (select .cse1 .cse2)) (= (select |#valid| |~#a~0.base|) 1) (= (select .cse0 .cse2) |~#b~0.offset|) (= (select .cse1 |~#global~0.offset|) |~#a~0.base|) (= |~#global~0.offset| 0) (not (= |~#b~0.base| |~#a~0.base|)))) [2021-02-23 23:05:49,940 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-23 23:05:49,940 INFO L185 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: (and (= (select |#valid| |~#a~0.base|) 1) (= (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|) (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|)) (= |~#global~0.offset| 0) (not (= |~#b~0.base| |~#a~0.base|))) [2021-02-23 23:05:49,941 INFO L185 CegarLoopUtils]: At program point L33(line 33) the Hoare annotation is: (let ((.cse1 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse0 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= |~#a~0.base| (select .cse0 |~#global~0.offset|))) (not (= |~#a~0.offset| (select .cse1 |~#global~0.offset|))) (not (= (select .cse1 .cse2) |~#b~0.offset|)) (not (= |~#global~0.offset| 0)) (= |~#a~0.base| |~#b~0.base|) (not (= (select .cse0 .cse2) |~#b~0.base|)) (not (= (select |#valid| |~#a~0.base|) 1)))) [2021-02-23 23:05:49,941 INFO L185 CegarLoopUtils]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 33) the Hoare annotation is: (let ((.cse1 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse0 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= |~#a~0.base| (select .cse0 |~#global~0.offset|))) (not (= |~#a~0.offset| (select .cse1 |~#global~0.offset|))) (not (= (select .cse1 .cse2) |~#b~0.offset|)) (not (= |~#global~0.offset| 0)) (= |~#a~0.base| |~#b~0.base|) (not (= (select .cse0 .cse2) |~#b~0.base|)) (not (= (select |#valid| |~#a~0.base|) 1)))) [2021-02-23 23:05:49,941 INFO L185 CegarLoopUtils]: At program point L31(line 31) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (= (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|) (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|)) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse2) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse2))))) [2021-02-23 23:05:49,942 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 21 35) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= (select |#valid| |~#a~0.base|) 1)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse2) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse2))))) [2021-02-23 23:05:49,942 INFO L185 CegarLoopUtils]: At program point L28(lines 22 35) the Hoare annotation is: (let ((.cse1 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse0 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= |~#a~0.base| (select .cse0 |~#global~0.offset|))) (not (= |~#a~0.offset| (select .cse1 |~#global~0.offset|))) (not (= (select .cse1 .cse2) |~#b~0.offset|)) (not (= |~#global~0.offset| 0)) (= |~#a~0.base| |~#b~0.base|) (not (= (select .cse0 .cse2) |~#b~0.base|)) (not (= (select |#valid| |~#a~0.base|) 1)))) [2021-02-23 23:05:49,942 INFO L185 CegarLoopUtils]: At program point L27(line 27) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse3 (+ |~#global~0.offset| 4))) (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (let ((.cse2 (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|))) (and (= |main_#t~mem10| .cse2) (= (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|) .cse2))) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse3) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse3))))) [2021-02-23 23:05:49,942 INFO L185 CegarLoopUtils]: At program point L27-1(lines 27 29) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse3 (+ |~#global~0.offset| 4))) (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (let ((.cse1 (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|))) (and (= |main_#t~mem10| .cse1) (= (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|) .cse1) (= |main_#t~mem11| |main_#t~mem10|))) (not (= (select .cse2 |~#global~0.offset|) |~#a~0.base|)) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse3) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse2 .cse3))))) [2021-02-23 23:05:49,943 INFO L185 CegarLoopUtils]: At program point L25(line 25) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse2) |~#b~0.offset|)) (let ((.cse3 (select |#memory_$Pointer$.offset| main_~pd~0.base)) (.cse4 (select |#memory_$Pointer$.base| main_~pd~0.base))) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= (select .cse3 4) |~#b~0.offset|) (= |#memory_int| |old(#memory_int)|) (= (select .cse3 main_~pd~0.offset) |~#a~0.offset|) (= main_~pd~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |~#a~0.base| (select .cse4 main_~pd~0.offset)) (= |~#b~0.base| (select .cse4 4)))) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse2))))) [2021-02-23 23:05:49,943 INFO L185 CegarLoopUtils]: At program point L27-2(line 27) the Hoare annotation is: (let ((.cse1 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse0 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= |~#a~0.base| (select .cse0 |~#global~0.offset|))) (not (= |~#a~0.offset| (select .cse1 |~#global~0.offset|))) (not (= (select .cse1 .cse2) |~#b~0.offset|)) (not (= |~#global~0.offset| 0)) (= |~#a~0.base| |~#b~0.base|) (not (= (select .cse0 .cse2) |~#b~0.base|)) (not (= (select |#valid| |~#a~0.base|) 1)))) [2021-02-23 23:05:49,943 INFO L185 CegarLoopUtils]: At program point mainEXIT(lines 21 35) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (= (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|) (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|)) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse2) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse2))))) [2021-02-23 23:05:49,944 INFO L185 CegarLoopUtils]: At program point L25-1(line 25) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (= (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|) (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|)) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse2) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse2))))) [2021-02-23 23:05:49,944 INFO L185 CegarLoopUtils]: At program point L27-3(line 27) the Hoare annotation is: (let ((.cse1 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse0 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= |~#a~0.base| (select .cse0 |~#global~0.offset|))) (not (= |~#a~0.offset| (select .cse1 |~#global~0.offset|))) (not (= (select .cse1 .cse2) |~#b~0.offset|)) (not (= |~#global~0.offset| 0)) (= |~#a~0.base| |~#b~0.base|) (not (= (select .cse0 .cse2) |~#b~0.base|)) (not (= (select |#valid| |~#a~0.base|) 1)))) [2021-02-23 23:05:49,944 INFO L185 CegarLoopUtils]: At program point L27-4(line 27) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse3 (+ |~#global~0.offset| 4))) (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (let ((.cse1 (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|))) (and (= |main_#t~mem10| .cse1) (= (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|) .cse1) (= |main_#t~mem11| |main_#t~mem10|))) (not (= (select .cse2 |~#global~0.offset|) |~#a~0.base|)) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse3) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse2 .cse3))))) [2021-02-23 23:05:49,944 INFO L185 CegarLoopUtils]: At program point L27-5(line 27) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse3 (+ |~#global~0.offset| 4))) (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (let ((.cse2 (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|))) (and (= |main_#t~mem10| .cse2) (= (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|) .cse2))) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse3) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse3))))) [2021-02-23 23:05:49,945 INFO L185 CegarLoopUtils]: At program point mainFINAL(lines 21 35) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (= (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|) (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|)) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse2) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse2))))) [2021-02-23 23:05:49,945 INFO L185 CegarLoopUtils]: At program point L34(line 34) the Hoare annotation is: (let ((.cse1 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse0 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= |~#a~0.base| (select .cse0 |~#global~0.offset|))) (not (= |~#a~0.offset| (select .cse1 |~#global~0.offset|))) (not (= (select .cse1 .cse2) |~#b~0.offset|)) (not (= |~#global~0.offset| 0)) (= |~#a~0.base| |~#b~0.base|) (not (= (select .cse0 .cse2) |~#b~0.base|)) (not (= (select |#valid| |~#a~0.base|) 1)))) [2021-02-23 23:05:49,945 INFO L185 CegarLoopUtils]: At program point L18-1(line 18) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse3 (+ |~#global~0.offset| 4))) (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (not (= |~#global~0.offset| 0)) (let ((.cse2 (= assign2_~pb.offset 4))) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |assign2_#in~pb.base| assign2_~pb.base) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= assign2_~pa.offset |assign2_#in~pa.offset|) (or (= assign2_~pb.offset |assign2_#in~pb.offset|) .cse2) (or (and (= (select (select |#memory_$Pointer$.base| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem8.base|) (= |assign2_#t~mem8.offset| (select (select |#memory_$Pointer$.offset| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))) (not .cse2)) (= |assign2_#in~pa.base| assign2_~pa.base))) (not (= (select .cse0 .cse3) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse3))))) [2021-02-23 23:05:49,945 INFO L185 CegarLoopUtils]: At program point L16(lines 16 19) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse2) |~#b~0.offset|)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= assign2_~pa.offset |assign2_#in~pa.offset|) (= |assign2_#in~pa.base| assign2_~pa.base)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse2))))) [2021-02-23 23:05:49,946 INFO L185 CegarLoopUtils]: At program point L18-2(line 18) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse4 (+ |~#global~0.offset| 4))) (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (let ((.cse3 (= assign2_~pb.offset 4)) (.cse2 (not (= 4 |assign2_#in~pb.offset|)))) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |assign2_#in~pb.base| assign2_~pb.base) (or .cse2 (= (select (select |#memory_$Pointer$.base| |assign2_#in~pb.base|) 4) |assign2_#t~mem9.base|)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= assign2_~pa.offset |assign2_#in~pa.offset|) (or (= assign2_~pb.offset |assign2_#in~pb.offset|) .cse3) (or (and (= (select (select |#memory_$Pointer$.base| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem8.base|) (= |assign2_#t~mem8.offset| (select (select |#memory_$Pointer$.offset| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))) (not .cse3)) (= |assign2_#in~pa.base| assign2_~pa.base) (or .cse2 (= (select (select |#memory_$Pointer$.offset| |assign2_#in~pb.base|) 4) |assign2_#t~mem9.offset|)))) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse4) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse4))))) [2021-02-23 23:05:49,946 INFO L185 CegarLoopUtils]: At program point L18-3(line 18) the Hoare annotation is: (let ((.cse3 (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (.cse2 (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse4 (+ |~#global~0.offset| 4))) (or (not (= 4 |assign2_#in~pb.offset|)) (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (= (select (select |#memory_int| .cse2) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |#memory_int| .cse3) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4))) (= .cse3 .cse2) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse4) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse4))))) [2021-02-23 23:05:49,946 INFO L185 CegarLoopUtils]: At program point L18-4(line 18) the Hoare annotation is: (let ((.cse3 (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (.cse2 (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse4 (+ |~#global~0.offset| 4))) (or (not (= 4 |assign2_#in~pb.offset|)) (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (= (select (select |#memory_int| .cse2) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |#memory_int| .cse3) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4))) (= .cse3 .cse2) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse4) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse4))))) [2021-02-23 23:05:49,947 INFO L185 CegarLoopUtils]: At program point assign2FINAL(lines 16 19) the Hoare annotation is: (let ((.cse3 (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (.cse2 (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse4 (+ |~#global~0.offset| 4))) (or (not (= 4 |assign2_#in~pb.offset|)) (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (= (select (select |#memory_int| .cse2) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |#memory_int| .cse3) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4))) (= .cse3 .cse2) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse4) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse4))))) [2021-02-23 23:05:49,947 INFO L185 CegarLoopUtils]: At program point assign2ENTRY(lines 16 19) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= (select |#valid| |~#a~0.base|) 1)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse2) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse2))))) [2021-02-23 23:05:49,947 INFO L185 CegarLoopUtils]: At program point assign2EXIT(lines 16 19) the Hoare annotation is: (let ((.cse3 (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (.cse2 (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse4 (+ |~#global~0.offset| 4))) (or (not (= 4 |assign2_#in~pb.offset|)) (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (= (select (select |#memory_int| .cse2) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |#memory_int| .cse3) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4))) (= .cse3 .cse2) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse4) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse4))))) [2021-02-23 23:05:49,948 INFO L185 CegarLoopUtils]: At program point L18(line 18) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse2) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse2))) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |assign2_#in~pb.base| assign2_~pb.base) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= assign2_~pa.offset |assign2_#in~pa.offset|) (or (= assign2_~pb.offset |assign2_#in~pb.offset|) (= assign2_~pb.offset 4)) (= |assign2_#in~pa.base| assign2_~pa.base)))) [2021-02-23 23:05:49,948 INFO L185 CegarLoopUtils]: At program point assignEXIT(lines 11 14) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (and (= assign_~pa.base |assign_#in~pa.base|) (= assign_~pb.base |assign_#in~pb.base|) (or (= |assign_#in~pa.base| |assign_#in~pb.base|) (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pb.base|) |assign_#in~pb.offset|))) (= assign_~pa.offset |assign_#in~pa.offset|) (= assign_~pb.offset |assign_#in~pb.offset|)) (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse2) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse2))))) [2021-02-23 23:05:49,948 INFO L185 CegarLoopUtils]: At program point assignENTRY(lines 11 14) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= (select |#valid| |~#a~0.base|) 1)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse2) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse2))))) [2021-02-23 23:05:49,948 INFO L185 CegarLoopUtils]: At program point L13(line 13) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse2) |~#b~0.offset|)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= assign_~pa.base |assign_#in~pa.base|) (= assign_~pb.base |assign_#in~pb.base|) (= assign_~pa.offset |assign_#in~pa.offset|) (= |#memory_int| |old(#memory_int)|) (= assign_~pb.offset |assign_#in~pb.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse2))))) [2021-02-23 23:05:49,949 INFO L185 CegarLoopUtils]: At program point assignFINAL(lines 11 14) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (and (= assign_~pa.base |assign_#in~pa.base|) (= assign_~pb.base |assign_#in~pb.base|) (or (= |assign_#in~pa.base| |assign_#in~pb.base|) (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pb.base|) |assign_#in~pb.offset|))) (= assign_~pa.offset |assign_#in~pa.offset|) (= assign_~pb.offset |assign_#in~pb.offset|)) (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse2) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse2))))) [2021-02-23 23:05:49,949 INFO L185 CegarLoopUtils]: At program point L13-1(line 13) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (or (= |assign_#in~pa.base| |assign_#in~pb.base|) (= |assign_#t~mem7| (select (select (store |#memory_int| assign_~pa.base (store (select |#memory_int| assign_~pa.base) assign_~pa.offset |assign_#t~mem7|)) |assign_#in~pb.base|) |assign_#in~pb.offset|))) (= assign_~pa.base |assign_#in~pa.base|) (= assign_~pb.base |assign_#in~pb.base|) (= assign_~pa.offset |assign_#in~pa.offset|) (= |#memory_int| |old(#memory_int)|) (= assign_~pb.offset |assign_#in~pb.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse2) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse2))))) [2021-02-23 23:05:49,949 INFO L185 CegarLoopUtils]: At program point L11(lines 11 14) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= assign_~pa.base |assign_#in~pa.base|) (= assign_~pa.offset |assign_#in~pa.offset|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse2) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse2))))) [2021-02-23 23:05:49,950 INFO L185 CegarLoopUtils]: At program point L13-2(line 13) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse3 (+ |~#global~0.offset| 4))) (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (let ((.cse2 (= |assign_#in~pa.base| |assign_#in~pb.base|))) (and (or .cse2 (= |assign_#t~mem7| (select (select (store |#memory_int| assign_~pa.base (store (select |#memory_int| assign_~pa.base) assign_~pa.offset |assign_#t~mem7|)) |assign_#in~pb.base|) |assign_#in~pb.offset|))) (= assign_~pa.base |assign_#in~pa.base|) (= assign_~pb.base |assign_#in~pb.base|) (= assign_~pa.offset |assign_#in~pa.offset|) (or .cse2 (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pb.base|) |assign_#in~pb.offset|))) (= assign_~pb.offset |assign_#in~pb.offset|))) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse3) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse3))))) [2021-02-23 23:05:49,961 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:49,962 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:49,962 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:49,962 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:49,967 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:49,967 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:49,967 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:49,968 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:49,970 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:49,970 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:49,970 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:49,971 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:49,972 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:49,972 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:49,972 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:49,973 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:49,973 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:49,973 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:49,973 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:49,974 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:49,974 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:49,974 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:49,976 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:49,976 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:49,977 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:49,977 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:49,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 11:05:49 BoogieIcfgContainer [2021-02-23 23:05:49,979 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 23:05:49,981 INFO L168 Benchmark]: Toolchain (without parser) took 8957.06 ms. Allocated memory was 155.2 MB in the beginning and 230.7 MB in the end (delta: 75.5 MB). Free memory was 130.1 MB in the beginning and 116.8 MB in the end (delta: 13.3 MB). Peak memory consumption was 128.4 MB. Max. memory is 8.0 GB. [2021-02-23 23:05:49,982 INFO L168 Benchmark]: CDTParser took 1.06 ms. Allocated memory is still 155.2 MB. Free memory is still 129.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 23:05:49,983 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.67 ms. Allocated memory is still 155.2 MB. Free memory was 128.9 MB in the beginning and 119.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-02-23 23:05:49,983 INFO L168 Benchmark]: Boogie Preprocessor took 37.75 ms. Allocated memory is still 155.2 MB. Free memory was 119.3 MB in the beginning and 117.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-02-23 23:05:49,984 INFO L168 Benchmark]: RCFGBuilder took 590.55 ms. Allocated memory is still 155.2 MB. Free memory was 117.6 MB in the beginning and 133.0 MB in the end (delta: -15.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 8.0 GB. [2021-02-23 23:05:49,985 INFO L168 Benchmark]: TraceAbstraction took 8008.31 ms. Allocated memory was 155.2 MB in the beginning and 230.7 MB in the end (delta: 75.5 MB). Free memory was 132.5 MB in the beginning and 116.8 MB in the end (delta: 15.7 MB). Peak memory consumption was 130.0 MB. Max. memory is 8.0 GB. [2021-02-23 23:05:49,989 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.06 ms. Allocated memory is still 155.2 MB. Free memory is still 129.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 292.67 ms. Allocated memory is still 155.2 MB. Free memory was 128.9 MB in the beginning and 119.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 37.75 ms. Allocated memory is still 155.2 MB. Free memory was 119.3 MB in the beginning and 117.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 590.55 ms. Allocated memory is still 155.2 MB. Free memory was 117.6 MB in the beginning and 133.0 MB in the end (delta: -15.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 8008.31 ms. Allocated memory was 155.2 MB in the beginning and 230.7 MB in the end (delta: 75.5 MB). Free memory was 132.5 MB in the beginning and 116.8 MB in the end (delta: 15.7 MB). Peak memory consumption was 130.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$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_$Pointer$.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_$Pointer$.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_$Pointer$.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 - 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_$Pointer$.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 - 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 - 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: 33]: 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 [2021-02-23 23:05:49,999 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:49,999 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:49,999 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:50,000 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:50,000 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:50,001 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:50,001 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:50,001 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: (((((!(a == \old(#memory_$Pointer$)[global][global]) || !(a == \old(#memory_$Pointer$)[global][global])) || !(\old(#memory_$Pointer$)[global][global + 4] == b)) || !(global == 0)) || a == b) || !(\old(#memory_$Pointer$)[global][global + 4] == b)) || !(\valid[a] == 1) - ProcedureContractResult [Line: 21]: Procedure Contract for main [2021-02-23 23:05:50,002 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:50,002 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:50,003 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:50,003 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:50,004 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:50,004 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:50,004 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:50,004 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived contract for procedure main: ((((((!(\valid[a] == 1) || !(\old(#memory_$Pointer$)[global][global] == a)) || !(\old(#memory_$Pointer$)[global][global] == a)) || unknown-#memory_int-unknown[a][a] == unknown-#memory_int-unknown[b][b]) || !(global == 0)) || !(\old(#memory_$Pointer$)[global][global + 4] == b)) || b == a) || !(b == \old(#memory_$Pointer$)[global][global + 4]) - ProcedureContractResult [Line: 16]: Procedure Contract for assign2 [2021-02-23 23:05:50,005 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:50,006 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:50,006 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:50,006 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:50,006 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:50,006 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:50,007 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:50,007 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:50,007 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:50,007 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:50,008 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:50,008 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:50,009 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:50,009 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:50,009 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:50,009 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:50,010 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:50,010 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:50,010 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:50,010 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived contract for procedure assign2: ((((((((!(4 == pb) || !(\valid[a] == 1)) || !(\old(#memory_$Pointer$)[global][global] == a)) || !(\old(#memory_$Pointer$)[global][global] == a)) || unknown-#memory_int-unknown[\old(#memory_$Pointer$)[pa][pa]][\old(#memory_$Pointer$)[pa][pa]] == unknown-#memory_int-unknown[\old(#memory_$Pointer$)[pb][4]][\old(#memory_$Pointer$)[pb][4]]) || \old(#memory_$Pointer$)[pb][4] == \old(#memory_$Pointer$)[pa][pa]) || !(global == 0)) || !(\old(#memory_$Pointer$)[global][global + 4] == b)) || b == a) || !(b == \old(#memory_$Pointer$)[global][global + 4]) - ProcedureContractResult [Line: 11]: Procedure Contract for assign [2021-02-23 23:05:50,011 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:50,012 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:50,012 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:50,012 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:50,013 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:50,013 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:05:50,014 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:05:50,014 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived contract for procedure assign: ((((((((((pa == pa && pb == pb) && (pa == pb || unknown-#memory_int-unknown[pa][pa] == unknown-#memory_int-unknown[pb][pb])) && pa == pa) && pb == pb) || !(\valid[a] == 1)) || !(\old(#memory_$Pointer$)[global][global] == a)) || !(\old(#memory_$Pointer$)[global][global] == a)) || !(global == 0)) || !(\old(#memory_$Pointer$)[global][global + 4] == b)) || b == a) || !(b == \old(#memory_$Pointer$)[global][global + 4]) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 27 SDtfs, 158 SDslu, 30 SDs, 0 SdLazy, 525 SolverSat, 47 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 274 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 53 PreInvPairs, 57 NumberOfFragments, 2616 HoareAnnotationTreeSize, 53 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 53 FomulaSimplificationsInter, 2079 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 30534 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...