/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/ldv-regression/test19.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 20:35:03,959 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 20:35:03,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 20:35:03,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 20:35:03,999 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 20:35:04,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 20:35:04,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 20:35:04,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 20:35:04,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 20:35:04,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 20:35:04,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 20:35:04,012 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 20:35:04,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 20:35:04,014 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 20:35:04,015 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 20:35:04,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 20:35:04,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 20:35:04,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 20:35:04,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 20:35:04,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 20:35:04,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 20:35:04,027 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 20:35:04,029 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 20:35:04,030 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 20:35:04,033 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-23 20:35:04,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 20:35:04,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 20:35:04,046 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 20:35:04,048 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-23 20:35:04,062 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 20:35:04,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 20:35:04,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 20:35:04,064 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 20:35:04,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 20:35:04,065 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 20:35:04,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 20:35:04,066 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 20:35:04,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 20:35:04,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 20:35:04,066 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 20:35:04,067 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 20:35:04,067 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 20:35:04,067 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 20:35:04,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 20:35:04,068 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-23 20:35:04,068 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 20:35:04,068 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 20:35:04,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 20:35:04,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 20:35:04,069 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-23 20:35:04,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 20:35:04,070 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 20:35:04,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 20:35:04,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 20:35:04,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 20:35:04,486 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 20:35:04,489 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 20:35:04,491 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test19.c [2020-10-23 20:35:04,568 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29b950fee/850f82bc23db483e9dcac726b7c51160/FLAGe5ea05c77 [2020-10-23 20:35:05,149 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 20:35:05,150 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test19.c [2020-10-23 20:35:05,158 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29b950fee/850f82bc23db483e9dcac726b7c51160/FLAGe5ea05c77 [2020-10-23 20:35:05,524 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29b950fee/850f82bc23db483e9dcac726b7c51160 [2020-10-23 20:35:05,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 20:35:05,537 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 20:35:05,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 20:35:05,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 20:35:05,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 20:35:05,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:35:05" (1/1) ... [2020-10-23 20:35:05,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4da82c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:35:05, skipping insertion in model container [2020-10-23 20:35:05,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:35:05" (1/1) ... [2020-10-23 20:35:05,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 20:35:05,586 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 20:35:05,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 20:35:05,839 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 20:35:05,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 20:35:05,888 INFO L208 MainTranslator]: Completed translation [2020-10-23 20:35:05,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:35:05 WrapperNode [2020-10-23 20:35:05,889 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 20:35:05,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 20:35:05,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 20:35:05,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 20:35:05,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:35:05" (1/1) ... [2020-10-23 20:35:05,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:35:05" (1/1) ... [2020-10-23 20:35:05,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:35:05" (1/1) ... [2020-10-23 20:35:05,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:35:05" (1/1) ... [2020-10-23 20:35:05,937 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:35:05" (1/1) ... [2020-10-23 20:35:05,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:35:05" (1/1) ... [2020-10-23 20:35:05,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:35:05" (1/1) ... [2020-10-23 20:35:05,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 20:35:05,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 20:35:05,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 20:35:05,955 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 20:35:05,958 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:35:05" (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 [2020-10-23 20:35:06,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 20:35:06,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 20:35:06,050 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 20:35:06,051 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2020-10-23 20:35:06,051 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 20:35:06,051 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 20:35:06,052 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 20:35:06,052 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 20:35:06,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 20:35:06,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 20:35:06,053 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2020-10-23 20:35:06,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-23 20:35:06,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 20:35:06,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 20:35:06,053 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 20:35:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 20:35:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-23 20:35:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 20:35:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 20:35:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 20:35:06,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-23 20:35:06,688 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 20:35:06,688 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-23 20:35:06,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:35:06 BoogieIcfgContainer [2020-10-23 20:35:06,691 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 20:35:06,693 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 20:35:06,693 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 20:35:06,697 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 20:35:06,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 08:35:05" (1/3) ... [2020-10-23 20:35:06,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f6be8ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:35:06, skipping insertion in model container [2020-10-23 20:35:06,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:35:05" (2/3) ... [2020-10-23 20:35:06,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f6be8ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:35:06, skipping insertion in model container [2020-10-23 20:35:06,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:35:06" (3/3) ... [2020-10-23 20:35:06,701 INFO L111 eAbstractionObserver]: Analyzing ICFG test19.c [2020-10-23 20:35:06,714 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-23 20:35:06,720 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 20:35:06,734 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 20:35:06,760 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 20:35:06,760 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 20:35:06,761 INFO L379 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-10-23 20:35:06,761 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 20:35:06,761 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 20:35:06,761 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 20:35:06,761 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 20:35:06,761 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 20:35:06,778 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states. [2020-10-23 20:35:06,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-10-23 20:35:06,789 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:35:06,790 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 20:35:06,790 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 20:35:06,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:35:06,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1074892191, now seen corresponding path program 1 times [2020-10-23 20:35:06,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:35:06,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1972576956] [2020-10-23 20:35:06,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:35:06,886 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:35:07,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:35:07,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:35:07,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:35:07,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-23 20:35:07,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:35:07,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 20:35:07,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1972576956] [2020-10-23 20:35:07,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:35:07,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-23 20:35:07,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091731184] [2020-10-23 20:35:07,910 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-23 20:35:07,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:35:07,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-23 20:35:07,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2020-10-23 20:35:07,930 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 19 states. [2020-10-23 20:35:09,150 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2020-10-23 20:35:09,383 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2020-10-23 20:35:09,552 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2020-10-23 20:35:09,776 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2020-10-23 20:35:09,944 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2020-10-23 20:35:10,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:35:10,306 INFO L93 Difference]: Finished difference Result 77 states and 76 transitions. [2020-10-23 20:35:10,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-23 20:35:10,309 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 45 [2020-10-23 20:35:10,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:35:10,316 INFO L225 Difference]: With dead ends: 77 [2020-10-23 20:35:10,316 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 20:35:10,321 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=211, Invalid=1271, Unknown=0, NotChecked=0, Total=1482 [2020-10-23 20:35:10,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 20:35:10,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 20:35:10,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 20:35:10,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 20:35:10,347 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2020-10-23 20:35:10,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:35:10,347 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 20:35:10,347 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-23 20:35:10,348 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 20:35:10,348 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 20:35:10,348 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 20:35:10,351 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 20:35:11,258 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 47 [2020-10-23 20:35:11,820 INFO L277 CegarLoopResult]: At program point reach_errorEXIT(line 3) the Hoare annotation is: true [2020-10-23 20:35:11,821 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-23 20:35:11,821 INFO L277 CegarLoopResult]: At program point reach_errorFINAL(line 3) the Hoare annotation is: true [2020-10-23 20:35:11,821 INFO L277 CegarLoopResult]: At program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) the Hoare annotation is: true [2020-10-23 20:35:11,821 INFO L277 CegarLoopResult]: At program point L3-2(line 3) the Hoare annotation is: true [2020-10-23 20:35:11,821 INFO L277 CegarLoopResult]: At program point L3-3(line 3) the Hoare annotation is: true [2020-10-23 20:35:11,821 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-23 20:35:11,821 INFO L277 CegarLoopResult]: At program point L3-4(line 3) the Hoare annotation is: true [2020-10-23 20:35:11,822 INFO L277 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-10-23 20:35:11,822 INFO L277 CegarLoopResult]: At program point ULTIMATE.initFINAL(line 3) the Hoare annotation is: true [2020-10-23 20:35:11,822 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |old(#t~string6.offset)| |#t~string6.offset|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |old(#t~string4.offset)| |#t~string4.offset|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-10-23 20:35:11,822 INFO L277 CegarLoopResult]: At program point L3(line 3) the Hoare annotation is: true [2020-10-23 20:35:11,822 INFO L277 CegarLoopResult]: At program point L3-1(line 3) the Hoare annotation is: true [2020-10-23 20:35:11,822 INFO L277 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-10-23 20:35:11,822 INFO L277 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-10-23 20:35:11,823 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-23 20:35:11,823 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-23 20:35:11,823 INFO L277 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-10-23 20:35:11,823 INFO L270 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: false [2020-10-23 20:35:11,823 INFO L277 CegarLoopResult]: At program point mainEXIT(lines 13 26) the Hoare annotation is: true [2020-10-23 20:35:11,823 INFO L270 CegarLoopResult]: At program point L19(lines 13 26) the Hoare annotation is: false [2020-10-23 20:35:11,824 INFO L270 CegarLoopResult]: At program point L17(line 17) the Hoare annotation is: (and (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))) [2020-10-23 20:35:11,824 INFO L270 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= (select |#valid| |main_~#a~0.base|) 1) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-23 20:35:11,824 INFO L270 CegarLoopResult]: At program point L15-1(line 15) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |#memory_int| |old(#memory_int)|) (= (select |#valid| |main_~#a~0.base|) 1) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-23 20:35:11,824 INFO L270 CegarLoopResult]: At program point L15-2(line 15) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |#memory_int| |old(#memory_int)|) (= (select |#valid| |main_~#a~0.base|) 1) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-23 20:35:11,824 INFO L277 CegarLoopResult]: At program point mainFINAL(lines 13 26) the Hoare annotation is: true [2020-10-23 20:35:11,825 INFO L270 CegarLoopResult]: At program point L15-3(line 15) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |#memory_int| |old(#memory_int)|) (= (select |#valid| |main_~#a~0.base|) 1) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-23 20:35:11,825 INFO L277 CegarLoopResult]: At program point L15-4(line 15) the Hoare annotation is: true [2020-10-23 20:35:11,825 INFO L277 CegarLoopResult]: At program point L15-5(line 15) the Hoare annotation is: true [2020-10-23 20:35:11,825 INFO L270 CegarLoopResult]: At program point L15-6(line 15) the Hoare annotation is: false [2020-10-23 20:35:11,826 INFO L270 CegarLoopResult]: At program point L15-7(line 15) the Hoare annotation is: false [2020-10-23 20:35:11,826 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 13 26) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-23 20:35:11,826 INFO L270 CegarLoopResult]: At program point L24(line 24) the Hoare annotation is: false [2020-10-23 20:35:11,826 INFO L270 CegarLoopResult]: At program point L22(line 22) the Hoare annotation is: (and (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))) [2020-10-23 20:35:11,826 INFO L270 CegarLoopResult]: At program point L18(line 18) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|))) (and (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |main_#t~mem12| .cse0) (= (select |#valid| |main_~#a~0.base|) 1) (= .cse0 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))) [2020-10-23 20:35:11,827 INFO L270 CegarLoopResult]: At program point L18-1(lines 18 20) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|))) (and (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |main_#t~mem12| |main_#t~mem13|) (= |main_#t~mem12| .cse0) (= (select |#valid| |main_~#a~0.base|) 1) (= .cse0 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))) [2020-10-23 20:35:11,827 INFO L270 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |#memory_int| |old(#memory_int)|) (= (select |#valid| |main_~#a~0.base|) 1) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-23 20:35:11,827 INFO L270 CegarLoopResult]: At program point L18-2(line 18) the Hoare annotation is: false [2020-10-23 20:35:11,827 INFO L270 CegarLoopResult]: At program point L16-1(line 16) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |#memory_int| |old(#memory_int)|) (= (select |#valid| |main_~#a~0.base|) 1) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-23 20:35:11,827 INFO L270 CegarLoopResult]: At program point L18-3(line 18) the Hoare annotation is: false [2020-10-23 20:35:11,827 INFO L270 CegarLoopResult]: At program point L14(line 14) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= (select |#valid| |main_~#a~0.base|) 1) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-23 20:35:11,828 INFO L270 CegarLoopResult]: At program point L16-2(line 16) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= (select (select |#memory_$Pointer$.base| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.base|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |#memory_int| |old(#memory_int)|) (= (select (select |#memory_$Pointer$.offset| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.offset|) (= (select |#valid| |main_~#a~0.base|) 1) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-23 20:35:11,828 INFO L270 CegarLoopResult]: At program point L18-4(line 18) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|))) (and (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |main_#t~mem12| |main_#t~mem13|) (= |main_#t~mem12| .cse0) (= (select |#valid| |main_~#a~0.base|) 1) (= .cse0 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))) [2020-10-23 20:35:11,828 INFO L270 CegarLoopResult]: At program point L14-1(line 14) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= (select |#valid| |main_~#a~0.base|) 1) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-23 20:35:11,828 INFO L270 CegarLoopResult]: At program point L16-3(line 16) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= (select (select |#memory_$Pointer$.base| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.base|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |#memory_int| |old(#memory_int)|) (= (select (select |#memory_$Pointer$.offset| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.offset|) (= (select |#valid| |main_~#a~0.base|) 1) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-23 20:35:11,828 INFO L270 CegarLoopResult]: At program point L18-5(line 18) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|))) (and (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |main_#t~mem12| .cse0) (= (select |#valid| |main_~#a~0.base|) 1) (= .cse0 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))) [2020-10-23 20:35:11,829 INFO L270 CegarLoopResult]: At program point L14-2(line 14) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= (select |#valid| |main_~#a~0.base|) 1) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-23 20:35:11,829 INFO L270 CegarLoopResult]: At program point L16-4(line 16) the Hoare annotation is: (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#pb~1.base|) |main_~#pb~1.offset|)) (.cse0 (select (select |#memory_$Pointer$.base| |main_~#pa~1.base|) |main_~#pa~1.offset|))) (and (= (select (select |#memory_$Pointer$.offset| |main_~#pb~1.base|) |main_~#pb~1.offset|) |main_~#b~0.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= .cse0 |main_~#a~0.base|) (= .cse1 |main_~#b~0.base|) (= |#memory_int| |old(#memory_int)|) (= (select (select |#memory_$Pointer$.offset| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.offset|) (= (select |#valid| |main_~#a~0.base|) 1) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= .cse1 .cse0)))) [2020-10-23 20:35:11,829 INFO L270 CegarLoopResult]: At program point L14-3(line 14) the Hoare annotation is: (and (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))) [2020-10-23 20:35:11,829 INFO L277 CegarLoopResult]: At program point L16-5(line 16) the Hoare annotation is: true [2020-10-23 20:35:11,829 INFO L270 CegarLoopResult]: At program point L14-4(line 14) the Hoare annotation is: (and (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))) [2020-10-23 20:35:11,830 INFO L277 CegarLoopResult]: At program point L16-6(line 16) the Hoare annotation is: true [2020-10-23 20:35:11,830 INFO L277 CegarLoopResult]: At program point L16-7(line 16) the Hoare annotation is: true [2020-10-23 20:35:11,830 INFO L270 CegarLoopResult]: At program point L14-5(line 14) the Hoare annotation is: false [2020-10-23 20:35:11,830 INFO L277 CegarLoopResult]: At program point L16-8(line 16) the Hoare annotation is: true [2020-10-23 20:35:11,830 INFO L270 CegarLoopResult]: At program point L14-6(line 14) the Hoare annotation is: false [2020-10-23 20:35:11,830 INFO L270 CegarLoopResult]: At program point L16-9(line 16) the Hoare annotation is: false [2020-10-23 20:35:11,830 INFO L270 CegarLoopResult]: At program point L16-10(line 16) the Hoare annotation is: false [2020-10-23 20:35:11,831 INFO L270 CegarLoopResult]: At program point L16-11(line 16) the Hoare annotation is: false [2020-10-23 20:35:11,831 INFO L270 CegarLoopResult]: At program point L16-12(line 16) the Hoare annotation is: false [2020-10-23 20:35:11,831 INFO L270 CegarLoopResult]: At program point assignEXIT(lines 7 11) the Hoare annotation is: (let ((.cse1 (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (.cse0 (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (.cse2 (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (.cse3 (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|))) (and (= assign_~pb~0.base .cse0) (= .cse1 assign_~pa~0.base) (or (= (select (select |#memory_int| .cse0) .cse2) (select (select |#memory_int| .cse1) .cse3)) (= .cse1 .cse0)) (= .cse2 assign_~pb~0.offset) (= .cse3 assign_~pa~0.offset))) [2020-10-23 20:35:11,831 INFO L270 CegarLoopResult]: At program point assignENTRY(lines 7 11) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-23 20:35:11,831 INFO L270 CegarLoopResult]: At program point assignFINAL(lines 7 11) the Hoare annotation is: (let ((.cse1 (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (.cse0 (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (.cse2 (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (.cse3 (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|))) (and (= assign_~pb~0.base .cse0) (= .cse1 assign_~pa~0.base) (or (= (select (select |#memory_int| .cse0) .cse2) (select (select |#memory_int| .cse1) .cse3)) (= .cse1 .cse0)) (= .cse2 assign_~pb~0.offset) (= .cse3 assign_~pa~0.offset))) [2020-10-23 20:35:11,832 INFO L270 CegarLoopResult]: At program point L10(line 10) the Hoare annotation is: (and (= assign_~pb~0.base (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (= (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|) assign_~pa~0.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |assign_#in~ppb.base| assign_~ppb.base) (= |#memory_int| |old(#memory_int)|) (= assign_~ppa.offset |assign_#in~ppa.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|) assign_~pb~0.offset) (= |assign_#in~ppa.base| assign_~ppa.base) (= |assign_#in~ppb.offset| assign_~ppb.offset) (= (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|) assign_~pa~0.offset)) [2020-10-23 20:35:11,832 INFO L270 CegarLoopResult]: At program point L9(line 9) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |assign_#in~ppb.base| assign_~ppb.base) (= |#memory_int| |old(#memory_int)|) (= assign_~ppa.offset |assign_#in~ppa.offset|) (= (select (select |#memory_$Pointer$.base| |assign_#in~ppa.base|) |assign_#in~ppa.offset|) assign_~pa~0.base) (= (select (select |#memory_$Pointer$.offset| |assign_#in~ppa.base|) |assign_#in~ppa.offset|) assign_~pa~0.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |assign_#in~ppa.base| assign_~ppa.base) (= |assign_#in~ppb.offset| assign_~ppb.offset)) [2020-10-23 20:35:11,832 INFO L270 CegarLoopResult]: At program point L10-1(line 10) the Hoare annotation is: (let ((.cse1 (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (.cse0 (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (.cse2 (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|))) (and (= assign_~pb~0.base .cse0) (= .cse1 assign_~pa~0.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |assign_#in~ppb.base| assign_~ppb.base) (= |#memory_int| |old(#memory_int)|) (= assign_~ppa.offset |assign_#in~ppa.offset|) (or (= (select (select (store |#memory_int| assign_~pa~0.base (store (select |#memory_int| assign_~pa~0.base) assign_~pa~0.offset |assign_#t~mem9|)) .cse0) .cse2) |assign_#t~mem9|) (= .cse1 .cse0)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= .cse2 assign_~pb~0.offset) (= |assign_#in~ppa.base| assign_~ppa.base) (= |assign_#in~ppb.offset| assign_~ppb.offset) (= (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|) assign_~pa~0.offset))) [2020-10-23 20:35:11,832 INFO L270 CegarLoopResult]: At program point L8(line 8) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |assign_#in~ppb.base| assign_~ppb.base) (= |#memory_int| |old(#memory_int)|) (= assign_~ppa.offset |assign_#in~ppa.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |assign_#in~ppa.base| assign_~ppa.base) (= |assign_#in~ppb.offset| assign_~ppb.offset)) [2020-10-23 20:35:11,832 INFO L270 CegarLoopResult]: At program point L9-1(line 9) the Hoare annotation is: (and (= (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|) assign_~pa~0.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |assign_#in~ppb.base| assign_~ppb.base) (= (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|) |assign_#t~mem8.base|) (= |#memory_int| |old(#memory_int)|) (= assign_~ppa.offset |assign_#in~ppa.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |assign_#in~ppa.base| assign_~ppa.base) (= (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|) |assign_#t~mem8.offset|) (= |assign_#in~ppb.offset| assign_~ppb.offset) (= (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|) assign_~pa~0.offset)) [2020-10-23 20:35:11,833 INFO L270 CegarLoopResult]: At program point L10-2(line 10) the Hoare annotation is: (let ((.cse1 (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (.cse0 (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|))) (let ((.cse3 (= .cse1 .cse0)) (.cse2 (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (.cse4 (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|))) (and (= assign_~pb~0.base .cse0) (= .cse1 assign_~pa~0.base) (or (= (select (select (store |#memory_int| assign_~pa~0.base (store (select |#memory_int| assign_~pa~0.base) assign_~pa~0.offset |assign_#t~mem9|)) .cse0) .cse2) |assign_#t~mem9|) .cse3) (or (= (select (select |#memory_int| .cse0) .cse2) (select (select |#memory_int| .cse1) .cse4)) .cse3) (= .cse2 assign_~pb~0.offset) (= .cse4 assign_~pa~0.offset)))) [2020-10-23 20:35:11,833 INFO L270 CegarLoopResult]: At program point L7(lines 7 11) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= assign_~ppa.offset |assign_#in~ppa.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |assign_#in~ppa.base| assign_~ppa.base)) [2020-10-23 20:35:11,833 INFO L270 CegarLoopResult]: At program point L8-1(line 8) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |assign_#in~ppb.base| assign_~ppb.base) (= (select (select |#memory_$Pointer$.base| |assign_#in~ppa.base|) |assign_#in~ppa.offset|) |assign_#t~mem7.base|) (= |#memory_int| |old(#memory_int)|) (= assign_~ppa.offset |assign_#in~ppa.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |assign_#t~mem7.offset| (select (select |#memory_$Pointer$.offset| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= |assign_#in~ppa.base| assign_~ppa.base) (= |assign_#in~ppb.offset| assign_~ppb.offset)) [2020-10-23 20:35:11,833 INFO L270 CegarLoopResult]: At program point L9-2(line 9) the Hoare annotation is: (let ((.cse1 (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (.cse0 (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|))) (and (= |#memory_int| |old(#memory_int)|) (= assign_~ppa.offset |assign_#in~ppa.offset|) (= (select (select |#memory_$Pointer$.offset| |assign_#in~ppa.base|) |assign_#in~ppa.offset|) assign_~pa~0.offset) (= .cse0 assign_~pb~0.offset) (= |assign_#in~ppa.base| assign_~ppa.base) (= assign_~pb~0.base .cse1) (= (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|) assign_~pa~0.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |assign_#in~ppb.base| assign_~ppb.base) (= .cse1 |assign_#t~mem8.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= .cse0 |assign_#t~mem8.offset|) (= |assign_#in~ppb.offset| assign_~ppb.offset))) [2020-10-23 20:35:11,833 INFO L270 CegarLoopResult]: At program point L8-2(line 8) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (.cse1 (select (select |#memory_$Pointer$.offset| |assign_#in~ppa.base|) |assign_#in~ppa.offset|))) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |assign_#in~ppb.base| assign_~ppb.base) (= .cse0 |assign_#t~mem7.base|) (= |#memory_int| |old(#memory_int)|) (= assign_~ppa.offset |assign_#in~ppa.offset|) (= .cse0 assign_~pa~0.base) (= .cse1 assign_~pa~0.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |assign_#t~mem7.offset| .cse1) (= |assign_#in~ppa.base| assign_~ppa.base) (= |assign_#in~ppb.offset| assign_~ppb.offset))) [2020-10-23 20:35:11,850 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-23 20:35:11,851 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-23 20:35:11,851 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-23 20:35:11,852 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-23 20:35:11,852 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-23 20:35:11,852 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-23 20:35:11,853 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-23 20:35:11,853 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-23 20:35:11,853 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-23 20:35:11,853 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-23 20:35:11,855 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:35:11,856 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:35:11,856 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 20:35:11,856 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:35:11,856 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:35:11,857 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 20:35:11,857 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:35:11,857 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:35:11,857 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:35:11,857 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:35:11,858 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:35:11,858 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:35:11,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 08:35:11 BoogieIcfgContainer [2020-10-23 20:35:11,861 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 20:35:11,864 INFO L168 Benchmark]: Toolchain (without parser) took 6332.27 ms. Allocated memory was 168.8 MB in the beginning and 203.4 MB in the end (delta: 34.6 MB). Free memory was 145.3 MB in the beginning and 135.0 MB in the end (delta: 10.3 MB). Peak memory consumption was 115.2 MB. Max. memory is 8.0 GB. [2020-10-23 20:35:11,865 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 125.8 MB. Free memory is still 106.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 20:35:11,866 INFO L168 Benchmark]: CACSL2BoogieTranslator took 347.24 ms. Allocated memory is still 168.8 MB. Free memory was 144.7 MB in the beginning and 135.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-23 20:35:11,867 INFO L168 Benchmark]: Boogie Preprocessor took 62.47 ms. Allocated memory is still 168.8 MB. Free memory was 135.3 MB in the beginning and 133.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-23 20:35:11,868 INFO L168 Benchmark]: RCFGBuilder took 736.00 ms. Allocated memory is still 168.8 MB. Free memory was 133.8 MB in the beginning and 142.7 MB in the end (delta: -9.0 MB). Peak memory consumption was 14.1 MB. Max. memory is 8.0 GB. [2020-10-23 20:35:11,870 INFO L168 Benchmark]: TraceAbstraction took 5168.90 ms. Allocated memory was 168.8 MB in the beginning and 203.4 MB in the end (delta: 34.6 MB). Free memory was 142.3 MB in the beginning and 135.0 MB in the end (delta: 7.3 MB). Peak memory consumption was 111.6 MB. Max. memory is 8.0 GB. [2020-10-23 20:35:11,874 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 125.8 MB. Free memory is still 106.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 347.24 ms. Allocated memory is still 168.8 MB. Free memory was 144.7 MB in the beginning and 135.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 62.47 ms. Allocated memory is still 168.8 MB. Free memory was 135.3 MB in the beginning and 133.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 736.00 ms. Allocated memory is still 168.8 MB. Free memory was 133.8 MB in the beginning and 142.7 MB in the end (delta: -9.0 MB). Peak memory consumption was 14.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5168.90 ms. Allocated memory was 168.8 MB in the beginning and 203.4 MB in the end (delta: 34.6 MB). Free memory was 142.3 MB in the beginning and 135.0 MB in the end (delta: 7.3 MB). Peak memory consumption was 111.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 0 - ProcedureContractResult [Line: 3]: Procedure Contract for reach_error Derived contract for procedure reach_error: 1 - ProcedureContractResult [Line: 13]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 7]: Procedure Contract for assign [2020-10-23 20:35:11,886 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-23 20:35:11,886 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-23 20:35:11,886 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-23 20:35:11,887 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-23 20:35:11,887 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-23 20:35:11,887 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-23 20:35:11,887 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-23 20:35:11,888 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-23 20:35:11,888 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-23 20:35:11,888 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-23 20:35:11,888 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:35:11,888 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:35:11,889 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 20:35:11,889 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:35:11,889 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:35:11,889 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 20:35:11,889 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:35:11,890 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:35:11,890 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:35:11,890 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:35:11,890 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:35:11,890 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:35:11,891 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-23 20:35:11,891 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-23 20:35:11,892 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-23 20:35:11,892 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-23 20:35:11,892 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-23 20:35:11,892 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-23 20:35:11,893 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-23 20:35:11,893 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-23 20:35:11,893 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-23 20:35:11,893 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-23 20:35:11,894 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:35:11,894 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:35:11,894 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 20:35:11,894 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:35:11,894 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:35:11,895 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 20:35:11,895 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:35:11,895 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:35:11,895 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:35:11,895 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:35:11,896 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:35:11,896 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived contract for procedure assign: (((pb == \old(#memory_$Pointer$)[ppb][ppb] && \old(#memory_$Pointer$)[ppa][ppa] == pa) && (unknown-#memory_int-unknown[\old(#memory_$Pointer$)[ppb][ppb]][\old(#memory_$Pointer$)[ppb][ppb]] == unknown-#memory_int-unknown[\old(#memory_$Pointer$)[ppa][ppa]][\old(#memory_$Pointer$)[ppa][ppa]] || \old(#memory_$Pointer$)[ppa][ppa] == \old(#memory_$Pointer$)[ppb][ppb])) && \old(#memory_$Pointer$)[ppb][ppb] == pb) && \old(#memory_$Pointer$)[ppa][ppa] == pa - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 34 SDtfs, 91 SDslu, 211 SDs, 0 SdLazy, 469 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred 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, 73 LocationsWithAnnotation, 73 PreInvPairs, 77 NumberOfFragments, 1216 HoareAnnotationTreeSize, 73 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 73 FomulaSimplificationsInter, 504 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...