/usr/bin/java -ea -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 0.1.25-267fbe0 [2020-07-18 00:22:02,693 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 00:22:02,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 00:22:02,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-18 00:22:02,752 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 00:22:02,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 00:22:02,759 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 00:22:02,760 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 00:22:02,761 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 00:22:02,763 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 00:22:02,765 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 00:22:02,767 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 00:22:02,769 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 00:22:02,770 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 00:22:02,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 00:22:02,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 00:22:02,775 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-18 00:22:02,789 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 00:22:02,801 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 00:22:02,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 00:22:02,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 00:22:02,804 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 00:22:02,804 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 00:22:02,804 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 00:22:02,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 00:22:02,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 00:22:02,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 00:22:02,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 00:22:02,805 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 00:22:02,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 00:22:02,806 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 00:22:02,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 00:22:02,806 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 00:22:02,807 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 00:22:02,807 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 00:22:02,807 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 00:22:02,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:22:02,807 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 00:22:02,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 00:22:02,808 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 00:22:02,808 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-18 00:22:03,157 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 00:22:03,186 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 00:22:03,192 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 00:22:03,195 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 00:22:03,196 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 00:22:03,197 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test19.c [2020-07-18 00:22:03,284 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d590ac1b6/a554c6a071ae40a09e24b848f65361f5/FLAG278d04b9f [2020-07-18 00:22:03,815 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 00:22:03,816 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test19.c [2020-07-18 00:22:03,824 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d590ac1b6/a554c6a071ae40a09e24b848f65361f5/FLAG278d04b9f [2020-07-18 00:22:04,163 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d590ac1b6/a554c6a071ae40a09e24b848f65361f5 [2020-07-18 00:22:04,174 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 00:22:04,178 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 00:22:04,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 00:22:04,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 00:22:04,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 00:22:04,187 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:22:04" (1/1) ... [2020-07-18 00:22:04,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d9cedb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:04, skipping insertion in model container [2020-07-18 00:22:04,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:22:04" (1/1) ... [2020-07-18 00:22:04,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 00:22:04,229 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 00:22:04,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:22:04,445 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 00:22:04,468 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:22:04,492 INFO L208 MainTranslator]: Completed translation [2020-07-18 00:22:04,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:04 WrapperNode [2020-07-18 00:22:04,493 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 00:22:04,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 00:22:04,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 00:22:04,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 00:22:04,612 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:04" (1/1) ... [2020-07-18 00:22:04,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:04" (1/1) ... [2020-07-18 00:22:04,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:04" (1/1) ... [2020-07-18 00:22:04,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:04" (1/1) ... [2020-07-18 00:22:04,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:04" (1/1) ... [2020-07-18 00:22:04,643 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:04" (1/1) ... [2020-07-18 00:22:04,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:04" (1/1) ... [2020-07-18 00:22:04,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 00:22:04,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 00:22:04,650 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 00:22:04,650 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 00:22:04,652 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:04" (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 [2020-07-18 00:22:04,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 00:22:04,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 00:22:04,758 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2020-07-18 00:22:04,758 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 00:22:04,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 00:22:04,759 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-18 00:22:04,759 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2020-07-18 00:22:04,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-18 00:22:04,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 00:22:04,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 00:22:04,760 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 00:22:04,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-18 00:22:04,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-18 00:22:04,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-18 00:22:04,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 00:22:04,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 00:22:04,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 00:22:04,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-18 00:22:05,378 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 00:22:05,378 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-18 00:22:05,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:22:05 BoogieIcfgContainer [2020-07-18 00:22:05,385 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 00:22:05,387 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 00:22:05,387 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 00:22:05,393 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 00:22:05,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 12:22:04" (1/3) ... [2020-07-18 00:22:05,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73602b59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:22:05, skipping insertion in model container [2020-07-18 00:22:05,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:04" (2/3) ... [2020-07-18 00:22:05,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73602b59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:22:05, skipping insertion in model container [2020-07-18 00:22:05,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:22:05" (3/3) ... [2020-07-18 00:22:05,399 INFO L109 eAbstractionObserver]: Analyzing ICFG test19.c [2020-07-18 00:22:05,417 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 00:22:05,430 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 00:22:05,453 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 00:22:05,506 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 00:22:05,506 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 00:22:05,507 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-18 00:22:05,507 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 00:22:05,507 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 00:22:05,507 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 00:22:05,511 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 00:22:05,511 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 00:22:05,566 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states. [2020-07-18 00:22:05,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-07-18 00:22:05,615 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:22:05,617 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] [2020-07-18 00:22:05,621 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:22:05,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:22:05,640 INFO L82 PathProgramCache]: Analyzing trace with hash -185639243, now seen corresponding path program 1 times [2020-07-18 00:22:05,669 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:22:05,670 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1722946900] [2020-07-18 00:22:05,670 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:22:05,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:22:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:22:06,366 INFO L280 TraceCheckUtils]: 0: Hoare triple {94#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {67#true} is VALID [2020-07-18 00:22:06,367 INFO L280 TraceCheckUtils]: 1: Hoare triple {67#true} #valid := #valid[0 := 0]; {67#true} is VALID [2020-07-18 00:22:06,368 INFO L280 TraceCheckUtils]: 2: Hoare triple {67#true} assume 0 < #StackHeapBarrier; {67#true} is VALID [2020-07-18 00:22:06,368 INFO L280 TraceCheckUtils]: 3: Hoare triple {67#true} assume true; {67#true} is VALID [2020-07-18 00:22:06,369 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {67#true} {67#true} #67#return; {67#true} is VALID [2020-07-18 00:22:06,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:22:07,075 INFO L280 TraceCheckUtils]: 0: Hoare triple {95#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~ppa.base, ~ppa.offset := #in~ppa.base, #in~ppa.offset; {96#(and (= assign_~ppa.offset |assign_#in~ppa.offset|) (= |assign_#in~ppa.base| assign_~ppa.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-18 00:22:07,078 INFO L280 TraceCheckUtils]: 1: Hoare triple {96#(and (= assign_~ppa.offset |assign_#in~ppa.offset|) (= |assign_#in~ppa.base| assign_~ppa.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~ppb.base, ~ppb.offset := #in~ppb.base, #in~ppb.offset; {97#(and (= |assign_#in~ppb.base| assign_~ppb.base) (= assign_~ppa.offset |assign_#in~ppa.offset|) (= |assign_#in~ppb.offset| assign_~ppb.offset) (= |assign_#in~ppa.base| assign_~ppa.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-18 00:22:07,080 INFO L280 TraceCheckUtils]: 2: Hoare triple {97#(and (= |assign_#in~ppb.base| assign_~ppb.base) (= assign_~ppa.offset |assign_#in~ppa.offset|) (= |assign_#in~ppb.offset| assign_~ppb.offset) (= |assign_#in~ppa.base| assign_~ppa.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} SUMMARY for call #t~mem0.base, #t~mem0.offset := read~$Pointer$(~ppa.base, ~ppa.offset, 4); srcloc: L6 {98#(and (= |assign_#in~ppb.base| assign_~ppb.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) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |assign_#t~mem0.offset| (select (select |#memory_$Pointer$.offset| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-18 00:22:07,082 INFO L280 TraceCheckUtils]: 3: Hoare triple {98#(and (= |assign_#in~ppb.base| assign_~ppb.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) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |assign_#t~mem0.offset| (select (select |#memory_$Pointer$.offset| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~pa~0.base, ~pa~0.offset := #t~mem0.base, #t~mem0.offset; {99#(and (= |assign_#in~ppb.base| assign_~ppb.base) (= assign_~pa~0.offset (select (select |#memory_$Pointer$.offset| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= |assign_#in~ppb.offset| assign_~ppb.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= (select (select |#memory_$Pointer$.base| |assign_#in~ppa.base|) |assign_#in~ppa.offset|) assign_~pa~0.base))} is VALID [2020-07-18 00:22:07,084 INFO L280 TraceCheckUtils]: 4: Hoare triple {99#(and (= |assign_#in~ppb.base| assign_~ppb.base) (= assign_~pa~0.offset (select (select |#memory_$Pointer$.offset| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= |assign_#in~ppb.offset| assign_~ppb.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= (select (select |#memory_$Pointer$.base| |assign_#in~ppa.base|) |assign_#in~ppa.offset|) assign_~pa~0.base))} havoc #t~mem0.base, #t~mem0.offset; {99#(and (= |assign_#in~ppb.base| assign_~ppb.base) (= assign_~pa~0.offset (select (select |#memory_$Pointer$.offset| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= |assign_#in~ppb.offset| assign_~ppb.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= (select (select |#memory_$Pointer$.base| |assign_#in~ppa.base|) |assign_#in~ppa.offset|) assign_~pa~0.base))} is VALID [2020-07-18 00:22:07,087 INFO L280 TraceCheckUtils]: 5: Hoare triple {99#(and (= |assign_#in~ppb.base| assign_~ppb.base) (= assign_~pa~0.offset (select (select |#memory_$Pointer$.offset| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= |assign_#in~ppb.offset| assign_~ppb.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= (select (select |#memory_$Pointer$.base| |assign_#in~ppa.base|) |assign_#in~ppa.offset|) assign_~pa~0.base))} SUMMARY for call #t~mem1.base, #t~mem1.offset := read~$Pointer$(~ppb.base, ~ppb.offset, 4); srcloc: L7 {100#(and (= (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|) |assign_#t~mem1.offset|) (= assign_~pa~0.offset (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|) |assign_#t~mem1.base|) (= assign_~pa~0.base (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)))} is VALID [2020-07-18 00:22:07,089 INFO L280 TraceCheckUtils]: 6: Hoare triple {100#(and (= (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|) |assign_#t~mem1.offset|) (= assign_~pa~0.offset (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|) |assign_#t~mem1.base|) (= assign_~pa~0.base (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)))} ~pb~0.base, ~pb~0.offset := #t~mem1.base, #t~mem1.offset; {101#(and (= assign_~pa~0.offset (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= assign_~pb~0.base (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (= assign_~pa~0.base (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= assign_~pb~0.offset (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)))} is VALID [2020-07-18 00:22:07,090 INFO L280 TraceCheckUtils]: 7: Hoare triple {101#(and (= assign_~pa~0.offset (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= assign_~pb~0.base (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (= assign_~pa~0.base (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= assign_~pb~0.offset (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)))} havoc #t~mem1.base, #t~mem1.offset; {101#(and (= assign_~pa~0.offset (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= assign_~pb~0.base (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (= assign_~pa~0.base (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= assign_~pb~0.offset (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)))} is VALID [2020-07-18 00:22:07,093 INFO L280 TraceCheckUtils]: 8: Hoare triple {101#(and (= assign_~pa~0.offset (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= assign_~pb~0.base (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (= assign_~pa~0.base (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= assign_~pb~0.offset (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)))} SUMMARY for call #t~mem2 := read~int(~pb~0.base, ~pb~0.offset, 4); srcloc: L8 {102#(or (and (= (select (select (store |#memory_int| assign_~pa~0.base (store (select |#memory_int| assign_~pa~0.base) assign_~pa~0.offset |assign_#t~mem2|)) (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) |assign_#t~mem2|) (= assign_~pa~0.offset (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= assign_~pa~0.base (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|))) (= (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|)))} is VALID [2020-07-18 00:22:07,096 INFO L280 TraceCheckUtils]: 9: Hoare triple {102#(or (and (= (select (select (store |#memory_int| assign_~pa~0.base (store (select |#memory_int| assign_~pa~0.base) assign_~pa~0.offset |assign_#t~mem2|)) (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) |assign_#t~mem2|) (= assign_~pa~0.offset (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= assign_~pa~0.base (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|))) (= (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|)))} SUMMARY for call write~int(#t~mem2, ~pa~0.base, ~pa~0.offset, 4); srcloc: L8-1 {103#(or (= (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|)) (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|))))} is VALID [2020-07-18 00:22:07,097 INFO L280 TraceCheckUtils]: 10: Hoare triple {103#(or (= (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|)) (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|))))} havoc #t~mem2; {103#(or (= (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|)) (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|))))} is VALID [2020-07-18 00:22:07,098 INFO L280 TraceCheckUtils]: 11: Hoare triple {103#(or (= (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|)) (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|))))} assume true; {103#(or (= (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|)) (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|))))} is VALID [2020-07-18 00:22:07,103 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {103#(or (= (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|)) (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|))))} {77#(and (= (select (select |#memory_$Pointer$.base| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.base|) (= |main_~#b~0.base| (select (select |#memory_$Pointer$.base| |main_~#pb~1.base|) |main_~#pb~1.offset|)) (= |main_~#a~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#pa~1.base|) |main_~#pa~1.offset|)) (= |main_~#b~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#pb~1.base|) |main_~#pb~1.offset|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)))} #65#return; {91#(= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))} is VALID [2020-07-18 00:22:07,110 INFO L263 TraceCheckUtils]: 0: Hoare triple {67#true} call ULTIMATE.init(); {94#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 00:22:07,111 INFO L280 TraceCheckUtils]: 1: Hoare triple {94#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {67#true} is VALID [2020-07-18 00:22:07,111 INFO L280 TraceCheckUtils]: 2: Hoare triple {67#true} #valid := #valid[0 := 0]; {67#true} is VALID [2020-07-18 00:22:07,112 INFO L280 TraceCheckUtils]: 3: Hoare triple {67#true} assume 0 < #StackHeapBarrier; {67#true} is VALID [2020-07-18 00:22:07,112 INFO L280 TraceCheckUtils]: 4: Hoare triple {67#true} assume true; {67#true} is VALID [2020-07-18 00:22:07,113 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {67#true} {67#true} #67#return; {67#true} is VALID [2020-07-18 00:22:07,113 INFO L263 TraceCheckUtils]: 6: Hoare triple {67#true} call #t~ret7 := main(); {67#true} is VALID [2020-07-18 00:22:07,115 INFO L280 TraceCheckUtils]: 7: Hoare triple {67#true} SUMMARY for call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4); srcloc: mainENTRY {74#(= 1 (select |#valid| |main_~#a~0.base|))} is VALID [2020-07-18 00:22:07,117 INFO L280 TraceCheckUtils]: 8: Hoare triple {74#(= 1 (select |#valid| |main_~#a~0.base|))} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {74#(= 1 (select |#valid| |main_~#a~0.base|))} is VALID [2020-07-18 00:22:07,119 INFO L280 TraceCheckUtils]: 9: Hoare triple {74#(= 1 (select |#valid| |main_~#a~0.base|))} SUMMARY for call write~init~int(#t~nondet3, ~#a~0.base, ~#a~0.offset, 4); srcloc: L12-1 {74#(= 1 (select |#valid| |main_~#a~0.base|))} is VALID [2020-07-18 00:22:07,120 INFO L280 TraceCheckUtils]: 10: Hoare triple {74#(= 1 (select |#valid| |main_~#a~0.base|))} havoc #t~nondet3; {74#(= 1 (select |#valid| |main_~#a~0.base|))} is VALID [2020-07-18 00:22:07,122 INFO L280 TraceCheckUtils]: 11: Hoare triple {74#(= 1 (select |#valid| |main_~#a~0.base|))} SUMMARY for call ~#b~0.base, ~#b~0.offset := #Ultimate.allocOnStack(4); srcloc: L13 {75#(not (= |main_~#b~0.base| |main_~#a~0.base|))} is VALID [2020-07-18 00:22:07,123 INFO L280 TraceCheckUtils]: 12: Hoare triple {75#(not (= |main_~#b~0.base| |main_~#a~0.base|))} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {75#(not (= |main_~#b~0.base| |main_~#a~0.base|))} is VALID [2020-07-18 00:22:07,125 INFO L280 TraceCheckUtils]: 13: Hoare triple {75#(not (= |main_~#b~0.base| |main_~#a~0.base|))} SUMMARY for call write~init~int(#t~nondet4, ~#b~0.base, ~#b~0.offset, 4); srcloc: L13-2 {75#(not (= |main_~#b~0.base| |main_~#a~0.base|))} is VALID [2020-07-18 00:22:07,127 INFO L280 TraceCheckUtils]: 14: Hoare triple {75#(not (= |main_~#b~0.base| |main_~#a~0.base|))} havoc #t~nondet4; {75#(not (= |main_~#b~0.base| |main_~#a~0.base|))} is VALID [2020-07-18 00:22:07,128 INFO L280 TraceCheckUtils]: 15: Hoare triple {75#(not (= |main_~#b~0.base| |main_~#a~0.base|))} SUMMARY for call ~#pa~1.base, ~#pa~1.offset := #Ultimate.allocOnStack(4); srcloc: L14 {75#(not (= |main_~#b~0.base| |main_~#a~0.base|))} is VALID [2020-07-18 00:22:07,129 INFO L280 TraceCheckUtils]: 16: Hoare triple {75#(not (= |main_~#b~0.base| |main_~#a~0.base|))} SUMMARY for call write~init~$Pointer$(~#a~0.base, ~#a~0.offset, ~#pa~1.base, ~#pa~1.offset, 4); srcloc: L14-1 {76#(and (= (select (select |#memory_$Pointer$.base| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.base|) (= |main_~#a~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#pa~1.base|) |main_~#pa~1.offset|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)))} is VALID [2020-07-18 00:22:07,131 INFO L280 TraceCheckUtils]: 17: Hoare triple {76#(and (= (select (select |#memory_$Pointer$.base| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.base|) (= |main_~#a~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#pa~1.base|) |main_~#pa~1.offset|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)))} SUMMARY for call ~#pb~1.base, ~#pb~1.offset := #Ultimate.allocOnStack(4); srcloc: L14-2 {76#(and (= (select (select |#memory_$Pointer$.base| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.base|) (= |main_~#a~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#pa~1.base|) |main_~#pa~1.offset|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)))} is VALID [2020-07-18 00:22:07,134 INFO L280 TraceCheckUtils]: 18: Hoare triple {76#(and (= (select (select |#memory_$Pointer$.base| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.base|) (= |main_~#a~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#pa~1.base|) |main_~#pa~1.offset|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)))} SUMMARY for call write~init~$Pointer$(~#b~0.base, ~#b~0.offset, ~#pb~1.base, ~#pb~1.offset, 4); srcloc: L14-3 {77#(and (= (select (select |#memory_$Pointer$.base| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.base|) (= |main_~#b~0.base| (select (select |#memory_$Pointer$.base| |main_~#pb~1.base|) |main_~#pb~1.offset|)) (= |main_~#a~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#pa~1.base|) |main_~#pa~1.offset|)) (= |main_~#b~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#pb~1.base|) |main_~#pb~1.offset|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)))} is VALID [2020-07-18 00:22:07,137 INFO L263 TraceCheckUtils]: 19: Hoare triple {77#(and (= (select (select |#memory_$Pointer$.base| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.base|) (= |main_~#b~0.base| (select (select |#memory_$Pointer$.base| |main_~#pb~1.base|) |main_~#pb~1.offset|)) (= |main_~#a~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#pa~1.base|) |main_~#pa~1.offset|)) (= |main_~#b~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#pb~1.base|) |main_~#pb~1.offset|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)))} call assign(~#pa~1.base, ~#pa~1.offset, ~#pb~1.base, ~#pb~1.offset); {95#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-18 00:22:07,139 INFO L280 TraceCheckUtils]: 20: Hoare triple {95#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~ppa.base, ~ppa.offset := #in~ppa.base, #in~ppa.offset; {96#(and (= assign_~ppa.offset |assign_#in~ppa.offset|) (= |assign_#in~ppa.base| assign_~ppa.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-18 00:22:07,141 INFO L280 TraceCheckUtils]: 21: Hoare triple {96#(and (= assign_~ppa.offset |assign_#in~ppa.offset|) (= |assign_#in~ppa.base| assign_~ppa.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~ppb.base, ~ppb.offset := #in~ppb.base, #in~ppb.offset; {97#(and (= |assign_#in~ppb.base| assign_~ppb.base) (= assign_~ppa.offset |assign_#in~ppa.offset|) (= |assign_#in~ppb.offset| assign_~ppb.offset) (= |assign_#in~ppa.base| assign_~ppa.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-18 00:22:07,143 INFO L280 TraceCheckUtils]: 22: Hoare triple {97#(and (= |assign_#in~ppb.base| assign_~ppb.base) (= assign_~ppa.offset |assign_#in~ppa.offset|) (= |assign_#in~ppb.offset| assign_~ppb.offset) (= |assign_#in~ppa.base| assign_~ppa.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} SUMMARY for call #t~mem0.base, #t~mem0.offset := read~$Pointer$(~ppa.base, ~ppa.offset, 4); srcloc: L6 {98#(and (= |assign_#in~ppb.base| assign_~ppb.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) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |assign_#t~mem0.offset| (select (select |#memory_$Pointer$.offset| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-18 00:22:07,145 INFO L280 TraceCheckUtils]: 23: Hoare triple {98#(and (= |assign_#in~ppb.base| assign_~ppb.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) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |assign_#t~mem0.offset| (select (select |#memory_$Pointer$.offset| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~pa~0.base, ~pa~0.offset := #t~mem0.base, #t~mem0.offset; {99#(and (= |assign_#in~ppb.base| assign_~ppb.base) (= assign_~pa~0.offset (select (select |#memory_$Pointer$.offset| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= |assign_#in~ppb.offset| assign_~ppb.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= (select (select |#memory_$Pointer$.base| |assign_#in~ppa.base|) |assign_#in~ppa.offset|) assign_~pa~0.base))} is VALID [2020-07-18 00:22:07,147 INFO L280 TraceCheckUtils]: 24: Hoare triple {99#(and (= |assign_#in~ppb.base| assign_~ppb.base) (= assign_~pa~0.offset (select (select |#memory_$Pointer$.offset| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= |assign_#in~ppb.offset| assign_~ppb.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= (select (select |#memory_$Pointer$.base| |assign_#in~ppa.base|) |assign_#in~ppa.offset|) assign_~pa~0.base))} havoc #t~mem0.base, #t~mem0.offset; {99#(and (= |assign_#in~ppb.base| assign_~ppb.base) (= assign_~pa~0.offset (select (select |#memory_$Pointer$.offset| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= |assign_#in~ppb.offset| assign_~ppb.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= (select (select |#memory_$Pointer$.base| |assign_#in~ppa.base|) |assign_#in~ppa.offset|) assign_~pa~0.base))} is VALID [2020-07-18 00:22:07,149 INFO L280 TraceCheckUtils]: 25: Hoare triple {99#(and (= |assign_#in~ppb.base| assign_~ppb.base) (= assign_~pa~0.offset (select (select |#memory_$Pointer$.offset| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= |assign_#in~ppb.offset| assign_~ppb.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= (select (select |#memory_$Pointer$.base| |assign_#in~ppa.base|) |assign_#in~ppa.offset|) assign_~pa~0.base))} SUMMARY for call #t~mem1.base, #t~mem1.offset := read~$Pointer$(~ppb.base, ~ppb.offset, 4); srcloc: L7 {100#(and (= (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|) |assign_#t~mem1.offset|) (= assign_~pa~0.offset (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|) |assign_#t~mem1.base|) (= assign_~pa~0.base (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)))} is VALID [2020-07-18 00:22:07,152 INFO L280 TraceCheckUtils]: 26: Hoare triple {100#(and (= (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|) |assign_#t~mem1.offset|) (= assign_~pa~0.offset (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|) |assign_#t~mem1.base|) (= assign_~pa~0.base (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)))} ~pb~0.base, ~pb~0.offset := #t~mem1.base, #t~mem1.offset; {101#(and (= assign_~pa~0.offset (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= assign_~pb~0.base (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (= assign_~pa~0.base (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= assign_~pb~0.offset (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)))} is VALID [2020-07-18 00:22:07,153 INFO L280 TraceCheckUtils]: 27: Hoare triple {101#(and (= assign_~pa~0.offset (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= assign_~pb~0.base (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (= assign_~pa~0.base (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= assign_~pb~0.offset (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)))} havoc #t~mem1.base, #t~mem1.offset; {101#(and (= assign_~pa~0.offset (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= assign_~pb~0.base (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (= assign_~pa~0.base (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= assign_~pb~0.offset (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)))} is VALID [2020-07-18 00:22:07,156 INFO L280 TraceCheckUtils]: 28: Hoare triple {101#(and (= assign_~pa~0.offset (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= assign_~pb~0.base (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (= assign_~pa~0.base (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= assign_~pb~0.offset (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)))} SUMMARY for call #t~mem2 := read~int(~pb~0.base, ~pb~0.offset, 4); srcloc: L8 {102#(or (and (= (select (select (store |#memory_int| assign_~pa~0.base (store (select |#memory_int| assign_~pa~0.base) assign_~pa~0.offset |assign_#t~mem2|)) (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) |assign_#t~mem2|) (= assign_~pa~0.offset (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= assign_~pa~0.base (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|))) (= (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|)))} is VALID [2020-07-18 00:22:07,159 INFO L280 TraceCheckUtils]: 29: Hoare triple {102#(or (and (= (select (select (store |#memory_int| assign_~pa~0.base (store (select |#memory_int| assign_~pa~0.base) assign_~pa~0.offset |assign_#t~mem2|)) (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) |assign_#t~mem2|) (= assign_~pa~0.offset (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= assign_~pa~0.base (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|))) (= (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|)))} SUMMARY for call write~int(#t~mem2, ~pa~0.base, ~pa~0.offset, 4); srcloc: L8-1 {103#(or (= (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|)) (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|))))} is VALID [2020-07-18 00:22:07,161 INFO L280 TraceCheckUtils]: 30: Hoare triple {103#(or (= (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|)) (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|))))} havoc #t~mem2; {103#(or (= (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|)) (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|))))} is VALID [2020-07-18 00:22:07,162 INFO L280 TraceCheckUtils]: 31: Hoare triple {103#(or (= (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|)) (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|))))} assume true; {103#(or (= (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|)) (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|))))} is VALID [2020-07-18 00:22:07,166 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {103#(or (= (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|)) (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|))))} {77#(and (= (select (select |#memory_$Pointer$.base| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.base|) (= |main_~#b~0.base| (select (select |#memory_$Pointer$.base| |main_~#pb~1.base|) |main_~#pb~1.offset|)) (= |main_~#a~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#pa~1.base|) |main_~#pa~1.offset|)) (= |main_~#b~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#pb~1.base|) |main_~#pb~1.offset|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)))} #65#return; {91#(= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))} is VALID [2020-07-18 00:22:07,168 INFO L280 TraceCheckUtils]: 33: Hoare triple {91#(= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))} SUMMARY for call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset, 4); srcloc: L15 {92#(= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) |main_#t~mem5|)} is VALID [2020-07-18 00:22:07,172 INFO L280 TraceCheckUtils]: 34: Hoare triple {92#(= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) |main_#t~mem5|)} SUMMARY for call #t~mem6 := read~int(~#b~0.base, ~#b~0.offset, 4); srcloc: L16 {93#(= |main_#t~mem6| |main_#t~mem5|)} is VALID [2020-07-18 00:22:07,173 INFO L280 TraceCheckUtils]: 35: Hoare triple {93#(= |main_#t~mem6| |main_#t~mem5|)} assume #t~mem5 != #t~mem6; {68#false} is VALID [2020-07-18 00:22:07,174 INFO L280 TraceCheckUtils]: 36: Hoare triple {68#false} havoc #t~mem6; {68#false} is VALID [2020-07-18 00:22:07,174 INFO L280 TraceCheckUtils]: 37: Hoare triple {68#false} havoc #t~mem5; {68#false} is VALID [2020-07-18 00:22:07,175 INFO L280 TraceCheckUtils]: 38: Hoare triple {68#false} assume !false; {68#false} is VALID [2020-07-18 00:22:07,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:22:07,188 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:22:07,192 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1722946900] [2020-07-18 00:22:07,194 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:22:07,195 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-07-18 00:22:07,196 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216201999] [2020-07-18 00:22:07,207 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 39 [2020-07-18 00:22:07,211 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:22:07,217 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states. [2020-07-18 00:22:07,307 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:22:07,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-18 00:22:07,309 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 00:22:07,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-18 00:22:07,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2020-07-18 00:22:07,325 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 19 states. [2020-07-18 00:22:09,988 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2020-07-18 00:22:11,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:22:11,151 INFO L93 Difference]: Finished difference Result 68 states and 67 transitions. [2020-07-18 00:22:11,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-18 00:22:11,152 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 39 [2020-07-18 00:22:11,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 00:22:11,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-07-18 00:22:11,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 67 transitions. [2020-07-18 00:22:11,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-07-18 00:22:11,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 67 transitions. [2020-07-18 00:22:11,184 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 23 states and 67 transitions. [2020-07-18 00:22:11,336 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:22:11,345 INFO L225 Difference]: With dead ends: 68 [2020-07-18 00:22:11,345 INFO L226 Difference]: Without dead ends: 0 [2020-07-18 00:22:11,352 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=211, Invalid=1271, Unknown=0, NotChecked=0, Total=1482 [2020-07-18 00:22:11,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-18 00:22:11,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-18 00:22:11,388 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 00:22:11,389 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-18 00:22:11,389 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-18 00:22:11,390 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-18 00:22:11,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:22:11,391 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-18 00:22:11,391 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-18 00:22:11,392 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:22:11,392 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:22:11,392 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-18 00:22:11,392 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-18 00:22:11,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:22:11,393 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-18 00:22:11,393 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-18 00:22:11,394 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:22:11,394 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:22:11,394 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 00:22:11,394 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 00:22:11,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-18 00:22:11,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-18 00:22:11,397 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2020-07-18 00:22:11,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 00:22:11,398 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-18 00:22:11,398 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-18 00:22:11,398 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 0 states and 0 transitions. [2020-07-18 00:22:11,398 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:22:11,398 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-18 00:22:11,399 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:22:11,399 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 00:22:11,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-18 00:22:12,705 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-18 00:22:12,705 INFO L271 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-07-18 00:22:12,706 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-18 00:22:12,706 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |old(#NULL.base)| |#NULL.base|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-07-18 00:22:12,706 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-18 00:22:12,706 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-18 00:22:12,706 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-18 00:22:12,706 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-18 00:22:12,706 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-18 00:22:12,707 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 11 24) the Hoare annotation is: true [2020-07-18 00:22:12,707 INFO L264 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: false [2020-07-18 00:22:12,707 INFO L264 CegarLoopResult]: At program point L17(lines 11 24) the Hoare annotation is: false [2020-07-18 00:22:12,707 INFO L264 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: (and (= 1 (select |#valid| |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|)) (not (= |main_~#b~0.base| |main_~#a~0.base|))) [2020-07-18 00:22:12,707 INFO L264 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: (and (= 1 (select |#valid| |main_~#a~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-18 00:22:12,707 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 11 24) the Hoare annotation is: true [2020-07-18 00:22:12,709 INFO L264 CegarLoopResult]: At program point L13-1(line 13) the Hoare annotation is: (and (= 1 (select |#valid| |main_~#a~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-18 00:22:12,709 INFO L264 CegarLoopResult]: At program point L13-2(line 13) the Hoare annotation is: (and (= 1 (select |#valid| |main_~#a~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-18 00:22:12,709 INFO L264 CegarLoopResult]: At program point L13-3(line 13) the Hoare annotation is: (and (= 1 (select |#valid| |main_~#a~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-18 00:22:12,709 INFO L271 CegarLoopResult]: At program point L13-4(line 13) the Hoare annotation is: true [2020-07-18 00:22:12,709 INFO L271 CegarLoopResult]: At program point L13-5(line 13) the Hoare annotation is: true [2020-07-18 00:22:12,710 INFO L264 CegarLoopResult]: At program point L13-6(line 13) the Hoare annotation is: false [2020-07-18 00:22:12,710 INFO L264 CegarLoopResult]: At program point L13-7(line 13) the Hoare annotation is: false [2020-07-18 00:22:12,710 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 22) the Hoare annotation is: false [2020-07-18 00:22:12,710 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 11 24) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-18 00:22:12,710 INFO L264 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: (and (= 1 (select |#valid| |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|)) (not (= |main_~#b~0.base| |main_~#a~0.base|))) [2020-07-18 00:22:12,711 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 (= 1 (select |#valid| |main_~#a~0.base|)) (= .cse0 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= .cse0 |main_#t~mem5|))) [2020-07-18 00:22:12,711 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 (= 1 (select |#valid| |main_~#a~0.base|)) (= |main_#t~mem6| |main_#t~mem5|) (= .cse0 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= .cse0 |main_#t~mem5|))) [2020-07-18 00:22:12,711 INFO L264 CegarLoopResult]: At program point L14(line 14) the Hoare annotation is: (and (= 1 (select |#valid| |main_~#a~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-18 00:22:12,711 INFO L264 CegarLoopResult]: At program point L16-2(line 16) the Hoare annotation is: false [2020-07-18 00:22:12,711 INFO L264 CegarLoopResult]: At program point L14-1(line 14) the Hoare annotation is: (and (= 1 (select |#valid| |main_~#a~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-18 00:22:12,712 INFO L264 CegarLoopResult]: At program point L16-3(line 16) the Hoare annotation is: false [2020-07-18 00:22:12,712 INFO L264 CegarLoopResult]: At program point L12(line 12) the Hoare annotation is: (and (= 1 (select |#valid| |main_~#a~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-18 00:22:12,712 INFO L264 CegarLoopResult]: At program point L14-2(line 14) the Hoare annotation is: (and (= 1 (select |#valid| |main_~#a~0.base|)) (= (select (select |#memory_$Pointer$.base| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.base|) (= |main_~#a~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#pa~1.base|) |main_~#pa~1.offset|)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-18 00:22:12,712 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 (= 1 (select |#valid| |main_~#a~0.base|)) (= |main_#t~mem6| |main_#t~mem5|) (= .cse0 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= .cse0 |main_#t~mem5|))) [2020-07-18 00:22:12,713 INFO L264 CegarLoopResult]: At program point L12-1(line 12) the Hoare annotation is: (and (= 1 (select |#valid| |main_~#a~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-18 00:22:12,713 INFO L264 CegarLoopResult]: At program point L14-3(line 14) the Hoare annotation is: (and (= 1 (select |#valid| |main_~#a~0.base|)) (= (select (select |#memory_$Pointer$.base| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.base|) (= |main_~#a~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#pa~1.base|) |main_~#pa~1.offset|)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-18 00:22:12,713 INFO L264 CegarLoopResult]: At program point L16-5(line 16) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|))) (and (= 1 (select |#valid| |main_~#a~0.base|)) (= .cse0 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= .cse0 |main_#t~mem5|))) [2020-07-18 00:22:12,713 INFO L264 CegarLoopResult]: At program point L12-2(line 12) the Hoare annotation is: (and (= 1 (select |#valid| |main_~#a~0.base|)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-18 00:22:12,715 INFO L264 CegarLoopResult]: At program point L14-4(line 14) the Hoare annotation is: (and (= 1 (select |#valid| |main_~#a~0.base|)) (= (select (select |#memory_$Pointer$.base| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.base|) (= |main_~#b~0.base| (select (select |#memory_$Pointer$.base| |main_~#pb~1.base|) |main_~#pb~1.offset|)) (= |main_~#a~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#pa~1.base|) |main_~#pa~1.offset|)) (= |main_~#b~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#pb~1.base|) |main_~#pb~1.offset|)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-18 00:22:12,716 INFO L264 CegarLoopResult]: At program point L12-3(line 12) the Hoare annotation is: (and (= 1 (select |#valid| |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|)) (not (= |main_~#b~0.base| |main_~#a~0.base|))) [2020-07-18 00:22:12,717 INFO L271 CegarLoopResult]: At program point L14-5(line 14) the Hoare annotation is: true [2020-07-18 00:22:12,718 INFO L264 CegarLoopResult]: At program point L12-4(line 12) the Hoare annotation is: (and (= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (not (= |main_~#b~0.base| |main_~#a~0.base|))) [2020-07-18 00:22:12,718 INFO L271 CegarLoopResult]: At program point L14-6(line 14) the Hoare annotation is: true [2020-07-18 00:22:12,718 INFO L271 CegarLoopResult]: At program point L14-7(line 14) the Hoare annotation is: true [2020-07-18 00:22:12,718 INFO L264 CegarLoopResult]: At program point L12-5(line 12) the Hoare annotation is: false [2020-07-18 00:22:12,719 INFO L271 CegarLoopResult]: At program point L14-8(line 14) the Hoare annotation is: true [2020-07-18 00:22:12,720 INFO L264 CegarLoopResult]: At program point L12-6(line 12) the Hoare annotation is: false [2020-07-18 00:22:12,720 INFO L264 CegarLoopResult]: At program point L14-9(line 14) the Hoare annotation is: false [2020-07-18 00:22:12,720 INFO L264 CegarLoopResult]: At program point L14-10(line 14) the Hoare annotation is: false [2020-07-18 00:22:12,721 INFO L264 CegarLoopResult]: At program point L14-11(line 14) the Hoare annotation is: false [2020-07-18 00:22:12,721 INFO L264 CegarLoopResult]: At program point L14-12(line 14) the Hoare annotation is: false [2020-07-18 00:22:12,721 INFO L264 CegarLoopResult]: At program point assignEXIT(lines 5 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~ppa.base|) |assign_#in~ppa.offset|)) (.cse2 (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (.cse3 (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|))) (and (= assign_~pa~0.offset .cse0) (= assign_~pb~0.base .cse1) (or (= .cse1 .cse2) (= (select (select |#memory_int| .cse1) .cse3) (select (select |#memory_int| .cse2) .cse0))) (= assign_~pa~0.base .cse2) (= assign_~pb~0.offset .cse3))) [2020-07-18 00:22:12,721 INFO L264 CegarLoopResult]: At program point assignENTRY(lines 5 9) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-18 00:22:12,722 INFO L264 CegarLoopResult]: At program point assignFINAL(lines 5 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~ppa.base|) |assign_#in~ppa.offset|)) (.cse2 (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (.cse3 (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|))) (and (= assign_~pa~0.offset .cse0) (= assign_~pb~0.base .cse1) (or (= .cse1 .cse2) (= (select (select |#memory_int| .cse1) .cse3) (select (select |#memory_int| .cse2) .cse0))) (= assign_~pa~0.base .cse2) (= assign_~pb~0.offset .cse3))) [2020-07-18 00:22:12,722 INFO L264 CegarLoopResult]: At program point L8(line 8) the Hoare annotation is: (and (= |assign_#in~ppb.base| assign_~ppb.base) (= assign_~ppa.offset |assign_#in~ppa.offset|) (= assign_~pa~0.offset (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= |assign_#in~ppb.offset| assign_~ppb.offset) (= |assign_#in~ppa.base| assign_~ppa.base) (= assign_~pb~0.base (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= (select (select |#memory_$Pointer$.base| |assign_#in~ppa.base|) |assign_#in~ppa.offset|) assign_~pa~0.base) (= assign_~pb~0.offset (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-18 00:22:12,722 INFO L264 CegarLoopResult]: At program point L7(line 7) the Hoare annotation is: (and (= |assign_#in~ppb.base| assign_~ppb.base) (= assign_~ppa.offset |assign_#in~ppa.offset|) (= assign_~pa~0.offset (select (select |#memory_$Pointer$.offset| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= |assign_#in~ppb.offset| assign_~ppb.offset) (= |assign_#in~ppa.base| assign_~ppa.base) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= (select (select |#memory_$Pointer$.base| |assign_#in~ppa.base|) |assign_#in~ppa.offset|) assign_~pa~0.base)) [2020-07-18 00:22:12,722 INFO L264 CegarLoopResult]: At program point L8-1(line 8) 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 (= |assign_#in~ppb.base| assign_~ppb.base) (= assign_~ppa.offset |assign_#in~ppa.offset|) (= assign_~pa~0.offset (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |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) .cse1) |assign_#t~mem2|) (= .cse0 (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|))) (= |assign_#in~ppb.offset| assign_~ppb.offset) (= |assign_#in~ppa.base| assign_~ppa.base) (= assign_~pb~0.base .cse0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= (select (select |#memory_$Pointer$.base| |assign_#in~ppa.base|) |assign_#in~ppa.offset|) assign_~pa~0.base) (= assign_~pb~0.offset .cse1) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) [2020-07-18 00:22:12,723 INFO L264 CegarLoopResult]: At program point L6(line 6) the Hoare annotation is: (and (= |assign_#in~ppb.base| assign_~ppb.base) (= assign_~ppa.offset |assign_#in~ppa.offset|) (= |assign_#in~ppb.offset| assign_~ppb.offset) (= |assign_#in~ppa.base| assign_~ppa.base) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-18 00:22:12,724 INFO L264 CegarLoopResult]: At program point L7-1(line 7) the Hoare annotation is: (and (= |assign_#in~ppb.base| assign_~ppb.base) (= assign_~ppa.offset |assign_#in~ppa.offset|) (= (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|) |assign_#t~mem1.offset|) (= assign_~pa~0.offset (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|) |assign_#t~mem1.base|) (= |assign_#in~ppb.offset| assign_~ppb.offset) (= |assign_#in~ppa.base| assign_~ppa.base) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= (select (select |#memory_$Pointer$.base| |assign_#in~ppa.base|) |assign_#in~ppa.offset|) assign_~pa~0.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-18 00:22:12,724 INFO L264 CegarLoopResult]: At program point L8-2(line 8) the Hoare annotation is: (let ((.cse1 (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (.cse4 (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|))) (let ((.cse3 (= .cse1 .cse4)) (.cse0 (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (.cse2 (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|))) (and (= assign_~pa~0.offset .cse0) (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|)) .cse1) .cse2) |assign_#t~mem2|) .cse3) (= assign_~pb~0.base .cse1) (or .cse3 (= (select (select |#memory_int| .cse1) .cse2) (select (select |#memory_int| .cse4) .cse0))) (= assign_~pa~0.base .cse4) (= assign_~pb~0.offset .cse2)))) [2020-07-18 00:22:12,724 INFO L264 CegarLoopResult]: At program point L5(lines 5 9) the Hoare annotation is: (and (= assign_~ppa.offset |assign_#in~ppa.offset|) (= |assign_#in~ppa.base| assign_~ppa.base) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-18 00:22:12,725 INFO L264 CegarLoopResult]: At program point L6-1(line 6) the Hoare annotation is: (and (= |assign_#in~ppb.base| assign_~ppb.base) (= assign_~ppa.offset |assign_#in~ppa.offset|) (= (select (select |#memory_$Pointer$.base| |assign_#in~ppa.base|) |assign_#in~ppa.offset|) |assign_#t~mem0.base|) (= |assign_#in~ppb.offset| assign_~ppb.offset) (= |assign_#in~ppa.base| assign_~ppa.base) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |assign_#t~mem0.offset| (select (select |#memory_$Pointer$.offset| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-18 00:22:12,725 INFO L264 CegarLoopResult]: At program point L7-2(line 7) the Hoare annotation is: (let ((.cse0 (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (.cse1 (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|))) (and (= assign_~pa~0.offset (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= |assign_#in~ppa.base| assign_~ppa.base) (= (select (select |#memory_$Pointer$.base| |assign_#in~ppa.base|) |assign_#in~ppa.offset|) assign_~pa~0.base) (= assign_~pb~0.offset .cse0) (= |assign_#in~ppb.base| assign_~ppb.base) (= assign_~ppa.offset |assign_#in~ppa.offset|) (= .cse0 |assign_#t~mem1.offset|) (= .cse1 |assign_#t~mem1.base|) (= |assign_#in~ppb.offset| assign_~ppb.offset) (= assign_~pb~0.base .cse1) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) [2020-07-18 00:22:12,725 INFO L264 CegarLoopResult]: At program point L6-2(line 6) the Hoare annotation is: (let ((.cse1 (select (select |#memory_$Pointer$.offset| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (.cse0 (select (select |#memory_$Pointer$.base| |assign_#in~ppa.base|) |assign_#in~ppa.offset|))) (and (= |assign_#in~ppb.base| assign_~ppb.base) (= assign_~ppa.offset |assign_#in~ppa.offset|) (= .cse0 |assign_#t~mem0.base|) (= assign_~pa~0.offset .cse1) (= |assign_#in~ppb.offset| assign_~ppb.offset) (= |assign_#in~ppa.base| assign_~ppa.base) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |assign_#t~mem0.offset| .cse1) (= .cse0 assign_~pa~0.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) [2020-07-18 00:22:12,779 INFO L163 areAnnotationChecker]: CFG has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-18 00:22:12,793 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-18 00:22:12,794 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-18 00:22:12,795 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-18 00:22:12,795 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-18 00:22:12,795 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-18 00:22:12,795 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-18 00:22:12,796 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-18 00:22:12,796 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-18 00:22:12,797 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-18 00:22:12,797 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-18 00:22:12,799 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-18 00:22:12,799 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-18 00:22:12,800 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-18 00:22:12,800 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-18 00:22:12,800 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-18 00:22:12,800 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-18 00:22:12,801 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-18 00:22:12,801 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-18 00:22:12,801 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-18 00:22:12,801 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-18 00:22:12,802 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-18 00:22:12,802 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-18 00:22:12,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 12:22:12 BoogieIcfgContainer [2020-07-18 00:22:12,806 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-18 00:22:12,809 INFO L168 Benchmark]: Toolchain (without parser) took 8632.08 ms. Allocated memory was 136.8 MB in the beginning and 310.4 MB in the end (delta: 173.5 MB). Free memory was 100.7 MB in the beginning and 241.1 MB in the end (delta: -140.4 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. [2020-07-18 00:22:12,810 INFO L168 Benchmark]: CDTParser took 1.13 ms. Allocated memory is still 136.8 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-18 00:22:12,811 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.54 ms. Allocated memory is still 136.8 MB. Free memory was 100.5 MB in the beginning and 90.2 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2020-07-18 00:22:12,812 INFO L168 Benchmark]: Boogie Preprocessor took 154.79 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 90.2 MB in the beginning and 178.8 MB in the end (delta: -88.6 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2020-07-18 00:22:12,813 INFO L168 Benchmark]: RCFGBuilder took 736.26 ms. Allocated memory is still 201.3 MB. Free memory was 178.8 MB in the beginning and 149.4 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. [2020-07-18 00:22:12,814 INFO L168 Benchmark]: TraceAbstraction took 7418.68 ms. Allocated memory was 201.3 MB in the beginning and 310.4 MB in the end (delta: 109.1 MB). Free memory was 149.4 MB in the beginning and 241.1 MB in the end (delta: -91.7 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. [2020-07-18 00:22:12,819 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.13 ms. Allocated memory is still 136.8 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 313.54 ms. Allocated memory is still 136.8 MB. Free memory was 100.5 MB in the beginning and 90.2 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 154.79 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 90.2 MB in the beginning and 178.8 MB in the end (delta: -88.6 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 736.26 ms. Allocated memory is still 201.3 MB. Free memory was 178.8 MB in the beginning and 149.4 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7418.68 ms. Allocated memory was 201.3 MB in the beginning and 310.4 MB in the end (delta: 109.1 MB). Free memory was 149.4 MB in the beginning and 241.1 MB in the end (delta: -91.7 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset * 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_$Pointer$ - 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_$Pointer$ * 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 [2020-07-18 00:22:12,831 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-18 00:22:12,832 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-18 00:22:12,832 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-18 00:22:12,832 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-18 00:22:12,833 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-18 00:22:12,833 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-18 00:22:12,833 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-18 00:22:12,834 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-18 00:22:12,834 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-18 00:22:12,834 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-18 00:22:12,835 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-18 00:22:12,835 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-18 00:22:12,835 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-18 00:22:12,836 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-18 00:22:12,836 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-18 00:22:12,836 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-18 00:22:12,836 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-18 00:22:12,836 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-18 00:22:12,837 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-18 00:22:12,837 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-18 00:22:12,837 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-18 00:22:12,838 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-18 00:22:12,838 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-18 00:22:12,839 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-18 00:22:12,839 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-18 00:22:12,840 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-18 00:22:12,840 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-18 00:22:12,840 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-18 00:22:12,841 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-18 00:22:12,841 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-18 00:22:12,841 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-18 00:22:12,842 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-18 00:22:12,842 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-18 00:22:12,842 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-18 00:22:12,842 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-18 00:22:12,843 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-18 00:22:12,843 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-18 00:22:12,843 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-18 00:22:12,843 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-18 00:22:12,844 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-18 00:22:12,844 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-18 00:22:12,844 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-18 00:22:12,844 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-18 00:22:12,844 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived contract for procedure assign: (((pa == \old(#memory_$Pointer$)[ppa][ppa] && pb == \old(#memory_$Pointer$)[ppb][ppb]) && (\old(#memory_$Pointer$)[ppb][ppb] == \old(#memory_$Pointer$)[ppa][ppa] || 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]])) && pa == \old(#memory_$Pointer$)[ppa][ppa]) && pb == \old(#memory_$Pointer$)[ppb][ppb] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.9s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 31 SDtfs, 86 SDslu, 211 SDs, 0 SdLazy, 402 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 2.0s 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, 1175 HoareAnnotationTreeSize, 64 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 64 FomulaSimplificationsInter, 168 FormulaSimplificationTreeSizeReductionInter, 0.8s 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...