/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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 0.1.25-3af5e1f [2020-09-04 16:40:29,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 16:40:29,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 16:40:30,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 16:40:30,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 16:40:30,053 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 16:40:30,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 16:40:30,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 16:40:30,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 16:40:30,070 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 16:40:30,071 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 16:40:30,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 16:40:30,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 16:40:30,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 16:40:30,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 16:40:30,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 16:40:30,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 16:40:30,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 16:40:30,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 16:40:30,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 16:40:30,101 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 16:40:30,102 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 16:40:30,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 16:40:30,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 16:40:30,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 16:40:30,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 16:40:30,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 16:40:30,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 16:40:30,136 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 16:40:30,158 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 16:40:30,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 16:40:30,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 16:40:30,164 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 16:40:30,164 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 16:40:30,164 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 16:40:30,164 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 16:40:30,165 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 16:40:30,165 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 16:40:30,165 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 16:40:30,165 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 16:40:30,166 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 16:40:30,166 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 16:40:30,166 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 16:40:30,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 16:40:30,167 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 16:40:30,167 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 16:40:30,167 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 16:40:30,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 16:40:30,167 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 16:40:30,168 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 16:40:30,168 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 16:40:30,168 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-09-04 16:40:30,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 16:40:30,640 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 16:40:30,646 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 16:40:30,648 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 16:40:30,649 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 16:40:30,651 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test19.c [2020-09-04 16:40:30,752 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b2247515c/1ceb64fc182642c8a15d744a2e747b5d/FLAG0f67dba8f [2020-09-04 16:40:31,421 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 16:40:31,422 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/test19.c [2020-09-04 16:40:31,432 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b2247515c/1ceb64fc182642c8a15d744a2e747b5d/FLAG0f67dba8f [2020-09-04 16:40:31,752 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b2247515c/1ceb64fc182642c8a15d744a2e747b5d [2020-09-04 16:40:31,768 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 16:40:31,771 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 16:40:31,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 16:40:31,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 16:40:31,779 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 16:40:31,780 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 04:40:31" (1/1) ... [2020-09-04 16:40:31,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@425c36b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:31, skipping insertion in model container [2020-09-04 16:40:31,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 04:40:31" (1/1) ... [2020-09-04 16:40:31,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 16:40:31,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 16:40:32,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 16:40:32,100 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 16:40:32,121 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 16:40:32,142 INFO L208 MainTranslator]: Completed translation [2020-09-04 16:40:32,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:32 WrapperNode [2020-09-04 16:40:32,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 16:40:32,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 16:40:32,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 16:40:32,145 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 16:40:32,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:32" (1/1) ... [2020-09-04 16:40:32,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:32" (1/1) ... [2020-09-04 16:40:32,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:32" (1/1) ... [2020-09-04 16:40:32,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:32" (1/1) ... [2020-09-04 16:40:32,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:32" (1/1) ... [2020-09-04 16:40:32,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:32" (1/1) ... [2020-09-04 16:40:32,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:32" (1/1) ... [2020-09-04 16:40:32,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 16:40:32,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 16:40:32,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 16:40:32,280 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 16:40:32,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:32" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 16:40:32,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 16:40:32,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 16:40:32,372 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2020-09-04 16:40:32,372 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 16:40:32,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 16:40:32,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 16:40:32,373 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2020-09-04 16:40:32,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-04 16:40:32,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 16:40:32,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 16:40:32,374 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 16:40:32,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 16:40:32,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-04 16:40:32,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-04 16:40:32,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 16:40:32,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 16:40:32,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 16:40:32,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-04 16:40:32,789 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 16:40:32,789 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-04 16:40:32,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 04:40:32 BoogieIcfgContainer [2020-09-04 16:40:32,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 16:40:32,798 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 16:40:32,798 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 16:40:32,802 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 16:40:32,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 04:40:31" (1/3) ... [2020-09-04 16:40:32,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40e25ef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 04:40:32, skipping insertion in model container [2020-09-04 16:40:32,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:32" (2/3) ... [2020-09-04 16:40:32,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40e25ef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 04:40:32, skipping insertion in model container [2020-09-04 16:40:32,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 04:40:32" (3/3) ... [2020-09-04 16:40:32,808 INFO L109 eAbstractionObserver]: Analyzing ICFG test19.c [2020-09-04 16:40:32,822 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 16:40:32,834 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 16:40:32,855 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 16:40:32,886 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 16:40:32,886 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 16:40:32,886 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-09-04 16:40:32,886 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 16:40:32,887 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 16:40:32,887 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 16:40:32,887 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 16:40:32,887 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 16:40:32,907 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states. [2020-09-04 16:40:32,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-09-04 16:40:32,921 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:40:32,922 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] [2020-09-04 16:40:32,923 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:40:32,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:40:32,931 INFO L82 PathProgramCache]: Analyzing trace with hash -185639243, now seen corresponding path program 1 times [2020-09-04 16:40:32,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:40:32,945 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2042340447] [2020-09-04 16:40:32,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:40:33,031 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:40:33,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:40:33,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:40:33,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:40:33,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 16:40:33,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:40:34,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 16:40:34,062 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2042340447] [2020-09-04 16:40:34,064 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:40:34,065 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-09-04 16:40:34,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054740541] [2020-09-04 16:40:34,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 16:40:34,074 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:40:34,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 16:40:34,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2020-09-04 16:40:34,100 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 19 states. [2020-09-04 16:40:35,091 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2020-09-04 16:40:35,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:40:35,769 INFO L93 Difference]: Finished difference Result 68 states and 67 transitions. [2020-09-04 16:40:35,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-04 16:40:35,772 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 39 [2020-09-04 16:40:35,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:40:35,786 INFO L225 Difference]: With dead ends: 68 [2020-09-04 16:40:35,786 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 16:40:35,795 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=211, Invalid=1271, Unknown=0, NotChecked=0, Total=1482 [2020-09-04 16:40:35,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 16:40:35,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 16:40:35,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 16:40:35,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 16:40:35,831 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2020-09-04 16:40:35,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:40:35,832 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 16:40:35,832 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 16:40:35,832 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 16:40:35,832 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 16:40:35,833 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 16:40:35,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 16:40:37,038 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-04 16:40:37,038 INFO L271 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-09-04 16:40:37,038 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-09-04 16:40:37,038 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-09-04 16:40:37,038 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-09-04 16:40:37,039 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-09-04 16:40:37,039 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-04 16:40:37,039 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-04 16:40:37,039 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-09-04 16:40:37,039 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 11 24) the Hoare annotation is: true [2020-09-04 16:40:37,040 INFO L264 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: false [2020-09-04 16:40:37,040 INFO L264 CegarLoopResult]: At program point L17(lines 11 24) the Hoare annotation is: false [2020-09-04 16:40:37,040 INFO L264 CegarLoopResult]: At program point L15(line 15) 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|))) [2020-09-04 16:40:37,040 INFO L264 CegarLoopResult]: At program point L13(line 13) 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)|)) [2020-09-04 16:40:37,040 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 11 24) the Hoare annotation is: true [2020-09-04 16:40:37,041 INFO L264 CegarLoopResult]: At program point L13-1(line 13) 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)|)) [2020-09-04 16:40:37,041 INFO L264 CegarLoopResult]: At program point L13-2(line 13) 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)|)) [2020-09-04 16:40:37,041 INFO L264 CegarLoopResult]: At program point L13-3(line 13) 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)|)) [2020-09-04 16:40:37,041 INFO L271 CegarLoopResult]: At program point L13-4(line 13) the Hoare annotation is: true [2020-09-04 16:40:37,041 INFO L271 CegarLoopResult]: At program point L13-5(line 13) the Hoare annotation is: true [2020-09-04 16:40:37,042 INFO L264 CegarLoopResult]: At program point L13-6(line 13) the Hoare annotation is: false [2020-09-04 16:40:37,042 INFO L264 CegarLoopResult]: At program point L13-7(line 13) the Hoare annotation is: false [2020-09-04 16:40:37,042 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 22) the Hoare annotation is: false [2020-09-04 16:40:37,042 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 11 24) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-09-04 16:40:37,043 INFO L264 CegarLoopResult]: At program point L20(line 20) 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|))) [2020-09-04 16:40:37,043 INFO L264 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|))) (and (= .cse0 |main_#t~mem5|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= .cse0 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))) [2020-09-04 16:40:37,043 INFO L264 CegarLoopResult]: At program point L16-1(lines 16 18) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|))) (and (= .cse0 |main_#t~mem5|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= .cse0 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (= |main_#t~mem6| |main_#t~mem5|))) [2020-09-04 16:40:37,043 INFO L264 CegarLoopResult]: At program point L14(line 14) 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)|)) [2020-09-04 16:40:37,044 INFO L264 CegarLoopResult]: At program point L16-2(line 16) the Hoare annotation is: false [2020-09-04 16:40:37,044 INFO L264 CegarLoopResult]: At program point L14-1(line 14) 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)|)) [2020-09-04 16:40:37,044 INFO L264 CegarLoopResult]: At program point L16-3(line 16) the Hoare annotation is: false [2020-09-04 16:40:37,044 INFO L264 CegarLoopResult]: At program point L12(line 12) 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)|)) [2020-09-04 16:40:37,044 INFO L264 CegarLoopResult]: At program point L14-2(line 14) 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)|)) [2020-09-04 16:40:37,045 INFO L264 CegarLoopResult]: At program point L16-4(line 16) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|))) (and (= .cse0 |main_#t~mem5|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= .cse0 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (= |main_#t~mem6| |main_#t~mem5|))) [2020-09-04 16:40:37,045 INFO L264 CegarLoopResult]: At program point L12-1(line 12) 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)|)) [2020-09-04 16:40:37,045 INFO L264 CegarLoopResult]: At program point L14-3(line 14) 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)|)) [2020-09-04 16:40:37,046 INFO L264 CegarLoopResult]: At program point L16-5(line 16) 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|))) [2020-09-04 16:40:37,046 INFO L264 CegarLoopResult]: At program point L12-2(line 12) 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)|)) [2020-09-04 16:40:37,046 INFO L264 CegarLoopResult]: At program point L14-4(line 14) the Hoare annotation is: (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)|) (= (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|)) (= (select (select |#memory_$Pointer$.base| |main_~#pb~1.base|) |main_~#pb~1.offset|) |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)|)) [2020-09-04 16:40:37,046 INFO L264 CegarLoopResult]: At program point L12-3(line 12) 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|))) [2020-09-04 16:40:37,046 INFO L271 CegarLoopResult]: At program point L14-5(line 14) the Hoare annotation is: true [2020-09-04 16:40:37,047 INFO L264 CegarLoopResult]: At program point L12-4(line 12) 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|))) [2020-09-04 16:40:37,047 INFO L271 CegarLoopResult]: At program point L14-6(line 14) the Hoare annotation is: true [2020-09-04 16:40:37,047 INFO L271 CegarLoopResult]: At program point L14-7(line 14) the Hoare annotation is: true [2020-09-04 16:40:37,047 INFO L264 CegarLoopResult]: At program point L12-5(line 12) the Hoare annotation is: false [2020-09-04 16:40:37,047 INFO L271 CegarLoopResult]: At program point L14-8(line 14) the Hoare annotation is: true [2020-09-04 16:40:37,048 INFO L264 CegarLoopResult]: At program point L12-6(line 12) the Hoare annotation is: false [2020-09-04 16:40:37,048 INFO L264 CegarLoopResult]: At program point L14-9(line 14) the Hoare annotation is: false [2020-09-04 16:40:37,048 INFO L264 CegarLoopResult]: At program point L14-10(line 14) the Hoare annotation is: false [2020-09-04 16:40:37,048 INFO L264 CegarLoopResult]: At program point L14-11(line 14) the Hoare annotation is: false [2020-09-04 16:40:37,048 INFO L264 CegarLoopResult]: At program point L14-12(line 14) the Hoare annotation is: false [2020-09-04 16:40:37,049 INFO L264 CegarLoopResult]: At program point assignEXIT(lines 5 9) 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))) [2020-09-04 16:40:37,049 INFO L264 CegarLoopResult]: At program point assignENTRY(lines 5 9) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-09-04 16:40:37,049 INFO L264 CegarLoopResult]: At program point assignFINAL(lines 5 9) 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))) [2020-09-04 16:40:37,050 INFO L264 CegarLoopResult]: At program point L8(line 8) 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)) [2020-09-04 16:40:37,050 INFO L264 CegarLoopResult]: At program point L7(line 7) 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)) [2020-09-04 16:40:37,050 INFO L264 CegarLoopResult]: At program point L8-1(line 8) 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~mem2|)) .cse0) .cse2) |assign_#t~mem2|) (= .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))) [2020-09-04 16:40:37,050 INFO L264 CegarLoopResult]: At program point L6(line 6) 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)) [2020-09-04 16:40:37,051 INFO L264 CegarLoopResult]: At program point L7-1(line 7) 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~mem1.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~mem1.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)) [2020-09-04 16:40:37,051 INFO L264 CegarLoopResult]: At program point L8-2(line 8) 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~mem2|)) .cse0) .cse2) |assign_#t~mem2|) .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)))) [2020-09-04 16:40:37,052 INFO L264 CegarLoopResult]: At program point L5(lines 5 9) 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)) [2020-09-04 16:40:37,052 INFO L264 CegarLoopResult]: At program point L6-1(line 6) 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_$Pointer$.offset| |assign_#in~ppa.base|) |assign_#in~ppa.offset|) |assign_#t~mem0.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |assign_#in~ppa.base| assign_~ppa.base) (= (select (select |#memory_$Pointer$.base| |assign_#in~ppa.base|) |assign_#in~ppa.offset|) |assign_#t~mem0.base|) (= |assign_#in~ppb.offset| assign_~ppb.offset)) [2020-09-04 16:40:37,052 INFO L264 CegarLoopResult]: At program point L7-2(line 7) the Hoare annotation is: (let ((.cse0 (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (.cse1 (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|))) (and (= .cse0 |assign_#t~mem1.base|) (= |#memory_int| |old(#memory_int)|) (= assign_~ppa.offset |assign_#in~ppa.offset|) (= .cse1 assign_~pb~0.offset) (= |assign_#in~ppa.base| assign_~ppa.base) (= assign_~pb~0.base .cse0) (= (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_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= .cse1 |assign_#t~mem1.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))) [2020-09-04 16:40:37,053 INFO L264 CegarLoopResult]: At program point L6-2(line 6) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.offset| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (.cse1 (select (select |#memory_$Pointer$.base| |assign_#in~ppa.base|) |assign_#in~ppa.offset|))) (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|) (= .cse0 |assign_#t~mem0.offset|) (= .cse1 assign_~pa~0.base) (= .cse0 assign_~pa~0.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |assign_#in~ppa.base| assign_~ppa.base) (= .cse1 |assign_#t~mem0.base|) (= |assign_#in~ppb.offset| assign_~ppb.offset))) [2020-09-04 16:40:37,077 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 16:40:37,079 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 16:40:37,079 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 16:40:37,080 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 16:40:37,080 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 16:40:37,081 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 16:40:37,081 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 16:40:37,081 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 16:40:37,082 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 16:40:37,082 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 16:40:37,084 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 16:40:37,085 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 16:40:37,085 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 16:40:37,086 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 16:40:37,086 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 16:40:37,086 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 16:40:37,087 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 16:40:37,087 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 16:40:37,087 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 16:40:37,087 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 16:40:37,088 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 16:40:37,088 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 16:40:37,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 04:40:37 BoogieIcfgContainer [2020-09-04 16:40:37,092 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 16:40:37,095 INFO L168 Benchmark]: Toolchain (without parser) took 5324.96 ms. Allocated memory was 139.5 MB in the beginning and 245.9 MB in the end (delta: 106.4 MB). Free memory was 103.6 MB in the beginning and 99.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 110.9 MB. Max. memory is 7.1 GB. [2020-09-04 16:40:37,096 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 139.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-04 16:40:37,097 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.76 ms. Allocated memory is still 139.5 MB. Free memory was 103.4 MB in the beginning and 93.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-09-04 16:40:37,099 INFO L168 Benchmark]: Boogie Preprocessor took 135.30 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 93.5 MB in the beginning and 182.0 MB in the end (delta: -88.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2020-09-04 16:40:37,099 INFO L168 Benchmark]: RCFGBuilder took 516.37 ms. Allocated memory is still 203.9 MB. Free memory was 182.0 MB in the beginning and 161.8 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2020-09-04 16:40:37,101 INFO L168 Benchmark]: TraceAbstraction took 4294.76 ms. Allocated memory was 203.9 MB in the beginning and 245.9 MB in the end (delta: 41.9 MB). Free memory was 161.1 MB in the beginning and 99.6 MB in the end (delta: 61.5 MB). Peak memory consumption was 104.0 MB. Max. memory is 7.1 GB. [2020-09-04 16:40:37,105 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 139.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 371.76 ms. Allocated memory is still 139.5 MB. Free memory was 103.4 MB in the beginning and 93.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.30 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 93.5 MB in the beginning and 182.0 MB in the end (delta: -88.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 516.37 ms. Allocated memory is still 203.9 MB. Free memory was 182.0 MB in the beginning and 161.8 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4294.76 ms. Allocated memory was 203.9 MB in the beginning and 245.9 MB in the end (delta: 41.9 MB). Free memory was 161.1 MB in the beginning and 99.6 MB in the end (delta: 61.5 MB). Peak memory consumption was 104.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$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: 22]: 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: 11]: Loop Invariant Derived loop invariant: 0 - ProcedureContractResult [Line: 11]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 5]: Procedure Contract for assign [2020-09-04 16:40:37,128 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 16:40:37,129 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 16:40:37,129 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 16:40:37,130 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 16:40:37,130 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 16:40:37,130 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 16:40:37,131 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 16:40:37,131 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 16:40:37,131 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 16:40:37,131 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 16:40:37,132 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 16:40:37,132 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 16:40:37,132 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 16:40:37,132 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 16:40:37,133 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 16:40:37,133 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 16:40:37,133 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 16:40:37,133 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 16:40:37,134 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 16:40:37,134 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 16:40:37,134 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 16:40:37,135 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 16:40:37,135 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 16:40:37,136 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 16:40:37,136 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 16:40:37,136 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 16:40:37,137 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 16:40:37,137 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 16:40:37,137 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 16:40:37,137 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 16:40:37,138 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 16:40:37,138 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 16:40:37,138 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 16:40:37,139 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 16:40:37,139 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 16:40:37,139 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 16:40:37,139 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 16:40:37,139 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 16:40:37,140 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 16:40:37,140 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 16:40:37,140 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 16:40:37,140 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 16:40:37,141 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 16:40:37,141 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 4 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.9s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 31 SDtfs, 85 SDslu, 212 SDs, 0 SdLazy, 402 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, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred 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, 64 LocationsWithAnnotation, 64 PreInvPairs, 68 NumberOfFragments, 1168 HoareAnnotationTreeSize, 64 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 64 FomulaSimplificationsInter, 168 FormulaSimplificationTreeSizeReductionInter, 0.9s 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...