/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/ldv-regression/test07.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 23:05:00,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 23:05:00,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 23:05:01,004 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-23 23:05:01,033 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 23:05:01,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 23:05:01,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 23:05:01,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 23:05:01,043 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 23:05:01,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 23:05:01,052 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 23:05:01,060 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 23:05:01,062 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 23:05:01,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 23:05:01,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 23:05:01,068 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 23:05:01,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-23 23:05:01,088 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 23:05:01,089 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 23:05:01,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 23:05:01,091 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-23 23:05:01,117 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 23:05:01,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 23:05:01,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 23:05:01,123 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 23:05:01,123 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 23:05:01,123 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 23:05:01,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 23:05:01,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 23:05:01,124 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 23:05:01,124 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 23:05:01,125 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 23:05:01,125 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 23:05:01,126 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 23:05:01,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 23:05:01,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 23:05:01,127 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 23:05:01,127 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 23:05:01,127 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 23:05:01,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 23:05:01,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 23:05:01,128 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 23:05:01,142 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 23:05:01,143 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-23 23:05:01,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 23:05:01,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 23:05:01,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 23:05:01,614 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 23:05:01,615 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 23:05:01,616 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test07.c [2021-02-23 23:05:01,708 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c660ac2ec/4974b1f78d8b4bd3a8379fb6fce35688/FLAGeb41292af [2021-02-23 23:05:02,396 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 23:05:02,397 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test07.c [2021-02-23 23:05:02,404 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c660ac2ec/4974b1f78d8b4bd3a8379fb6fce35688/FLAGeb41292af [2021-02-23 23:05:02,763 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c660ac2ec/4974b1f78d8b4bd3a8379fb6fce35688 [2021-02-23 23:05:02,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 23:05:02,780 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 23:05:02,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 23:05:02,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 23:05:02,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 23:05:02,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 11:05:02" (1/1) ... [2021-02-23 23:05:02,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f119c54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:02, skipping insertion in model container [2021-02-23 23:05:02,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 11:05:02" (1/1) ... [2021-02-23 23:05:02,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 23:05:02,815 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 23:05:02,996 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test07.c[578,591] [2021-02-23 23:05:03,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 23:05:03,020 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 23:05:03,044 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test07.c[578,591] [2021-02-23 23:05:03,047 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 23:05:03,074 INFO L208 MainTranslator]: Completed translation [2021-02-23 23:05:03,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:03 WrapperNode [2021-02-23 23:05:03,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 23:05:03,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 23:05:03,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 23:05:03,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 23:05:03,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:03" (1/1) ... [2021-02-23 23:05:03,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:03" (1/1) ... [2021-02-23 23:05:03,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:03" (1/1) ... [2021-02-23 23:05:03,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:03" (1/1) ... [2021-02-23 23:05:03,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:03" (1/1) ... [2021-02-23 23:05:03,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:03" (1/1) ... [2021-02-23 23:05:03,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:03" (1/1) ... [2021-02-23 23:05:03,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 23:05:03,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 23:05:03,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 23:05:03,147 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 23:05:03,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 23:05:03,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 23:05:03,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 23:05:03,305 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 23:05:03,305 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-02-23 23:05:03,306 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 23:05:03,306 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 23:05:03,306 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 23:05:03,307 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 23:05:03,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 23:05:03,307 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-02-23 23:05:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 23:05:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 23:05:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 23:05:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 23:05:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 23:05:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 23:05:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 23:05:03,884 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 23:05:03,884 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-23 23:05:03,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:05:03 BoogieIcfgContainer [2021-02-23 23:05:03,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 23:05:03,933 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 23:05:03,933 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 23:05:03,939 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 23:05:03,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 11:05:02" (1/3) ... [2021-02-23 23:05:03,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a5f23c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 11:05:03, skipping insertion in model container [2021-02-23 23:05:03,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:03" (2/3) ... [2021-02-23 23:05:03,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a5f23c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 11:05:03, skipping insertion in model container [2021-02-23 23:05:03,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:05:03" (3/3) ... [2021-02-23 23:05:03,947 INFO L111 eAbstractionObserver]: Analyzing ICFG test07.c [2021-02-23 23:05:03,982 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 23:05:03,994 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 23:05:04,015 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 23:05:04,041 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 23:05:04,041 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 23:05:04,041 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-23 23:05:04,041 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 23:05:04,042 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 23:05:04,042 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 23:05:04,042 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 23:05:04,042 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 23:05:04,059 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2021-02-23 23:05:04,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-02-23 23:05:04,069 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:05:04,070 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:05:04,070 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:05:04,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:05:04,077 INFO L82 PathProgramCache]: Analyzing trace with hash 775193509, now seen corresponding path program 1 times [2021-02-23 23:05:04,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:05:04,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [74791764] [2021-02-23 23:05:04,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:05:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:05:04,495 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:04,498 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:05:04,528 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:04,532 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 23:05:04,566 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:04,573 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-23 23:05:04,620 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:04,625 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-23 23:05:04,664 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:04,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 23:05:04,689 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:04,692 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-23 23:05:04,731 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:04,733 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-23 23:05:04,774 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:04,777 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-23 23:05:04,783 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:04,786 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:05:04,957 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-02-23 23:05:04,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:05:05,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:05:05,023 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:05,024 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:05:05,024 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:05,025 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:05:05,039 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:05,040 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:05:05,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-02-23 23:05:05,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:05:05,097 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:05,098 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:05:05,129 WARN L141 QuantifierPusher]: treesize reduction 9, result has 72.7 percent of original size [2021-02-23 23:05:05,131 WARN L147 QuantifierPusher]: treesize reduction 9, result has 72.7 percent of original size 24 [2021-02-23 23:05:05,172 WARN L141 QuantifierPusher]: treesize reduction 19, result has 59.6 percent of original size [2021-02-23 23:05:05,178 WARN L147 QuantifierPusher]: treesize reduction 19, result has 59.6 percent of original size 28 [2021-02-23 23:05:05,249 WARN L141 QuantifierPusher]: treesize reduction 9, result has 72.7 percent of original size [2021-02-23 23:05:05,251 WARN L147 QuantifierPusher]: treesize reduction 9, result has 72.7 percent of original size 24 [2021-02-23 23:05:05,305 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:05,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-23 23:05:05,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:05:05,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [74791764] [2021-02-23 23:05:05,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:05:05,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-02-23 23:05:05,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43034507] [2021-02-23 23:05:05,394 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-02-23 23:05:05,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:05:05,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-02-23 23:05:05,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2021-02-23 23:05:05,417 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 16 states. [2021-02-23 23:05:06,165 WARN L202 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2021-02-23 23:05:06,352 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-02-23 23:05:06,562 WARN L202 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2021-02-23 23:05:06,788 WARN L202 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2021-02-23 23:05:07,013 WARN L202 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 87 [2021-02-23 23:05:07,201 WARN L202 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 77 [2021-02-23 23:05:07,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:05:07,397 INFO L93 Difference]: Finished difference Result 73 states and 74 transitions. [2021-02-23 23:05:07,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-23 23:05:07,400 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 46 [2021-02-23 23:05:07,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:05:07,411 INFO L225 Difference]: With dead ends: 73 [2021-02-23 23:05:07,412 INFO L226 Difference]: Without dead ends: 48 [2021-02-23 23:05:07,416 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=225, Invalid=645, Unknown=0, NotChecked=0, Total=870 [2021-02-23 23:05:07,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-02-23 23:05:07,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2021-02-23 23:05:07,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2021-02-23 23:05:07,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 47 transitions. [2021-02-23 23:05:07,475 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 47 transitions. Word has length 46 [2021-02-23 23:05:07,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:05:07,476 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 47 transitions. [2021-02-23 23:05:07,476 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2021-02-23 23:05:07,477 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 47 transitions. [2021-02-23 23:05:07,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-02-23 23:05:07,481 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:05:07,481 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:05:07,482 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 23:05:07,482 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:05:07,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:05:07,483 INFO L82 PathProgramCache]: Analyzing trace with hash -1026799709, now seen corresponding path program 1 times [2021-02-23 23:05:07,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:05:07,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1111054067] [2021-02-23 23:05:07,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:05:07,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:05:07,561 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:07,562 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:05:07,564 WARN L141 QuantifierPusher]: treesize reduction 13, result has 45.8 percent of original size [2021-02-23 23:05:07,565 WARN L147 QuantifierPusher]: treesize reduction 13, result has 45.8 percent of original size 11 [2021-02-23 23:05:07,573 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:07,574 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 23:05:07,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:07,584 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 23:05:07,595 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:07,596 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:05:07,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:05:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:05:07,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:07,675 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:05:07,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-02-23 23:05:07,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:05:07,699 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:07,700 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:05:07,700 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:07,701 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:05:07,710 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:07,711 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 23:05:07,727 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:07,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 23:05:07,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:05:07,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1111054067] [2021-02-23 23:05:07,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:05:07,750 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-23 23:05:07,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460869275] [2021-02-23 23:05:07,752 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-23 23:05:07,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:05:07,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-23 23:05:07,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-02-23 23:05:07,754 INFO L87 Difference]: Start difference. First operand 48 states and 47 transitions. Second operand 10 states. [2021-02-23 23:05:07,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:05:07,992 INFO L93 Difference]: Finished difference Result 48 states and 47 transitions. [2021-02-23 23:05:07,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-23 23:05:07,992 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 47 [2021-02-23 23:05:07,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:05:07,994 INFO L225 Difference]: With dead ends: 48 [2021-02-23 23:05:07,994 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 23:05:07,996 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-02-23 23:05:07,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 23:05:07,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 23:05:07,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 23:05:07,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 23:05:07,997 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 47 [2021-02-23 23:05:07,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:05:07,997 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 23:05:07,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-23 23:05:07,998 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 23:05:07,998 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 23:05:07,998 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 23:05:08,000 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 23:05:08,396 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 37 [2021-02-23 23:05:08,579 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 41 [2021-02-23 23:05:08,898 WARN L202 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 41 [2021-02-23 23:05:09,501 WARN L202 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 41 [2021-02-23 23:05:09,722 WARN L202 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 45 [2021-02-23 23:05:09,927 WARN L202 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 47 [2021-02-23 23:05:10,106 WARN L202 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 51 [2021-02-23 23:05:10,247 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 41 [2021-02-23 23:05:10,414 WARN L202 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 41 [2021-02-23 23:05:10,497 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-23 23:05:10,497 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-23 23:05:10,497 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-23 23:05:10,498 INFO L185 CegarLoopUtils]: At program point L3-2(line 3) the Hoare annotation is: (and (= ~p1~0.offset |old(~p1~0.offset)|) (= ~p1~0.base |old(~p1~0.base)|)) [2021-02-23 23:05:10,498 INFO L185 CegarLoopUtils]: At program point L3-3(line 3) the Hoare annotation is: (and (= ~p1~0.offset |old(~p1~0.offset)|) (= ~p1~0.base |old(~p1~0.base)|)) [2021-02-23 23:05:10,498 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= ~p1~0.offset |old(~p1~0.offset)|) (= ~p1~0.base |old(~p1~0.base)|)) [2021-02-23 23:05:10,498 INFO L185 CegarLoopUtils]: At program point L3-4(line 3) the Hoare annotation is: (and (= ~p1~0.offset |old(~p1~0.offset)|) (= ~p1~0.base |old(~p1~0.base)|)) [2021-02-23 23:05:10,499 INFO L185 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: (and (= ~p1~0.offset |old(~p1~0.offset)|) (= ~p1~0.base |old(~p1~0.base)|)) [2021-02-23 23:05:10,499 INFO L185 CegarLoopUtils]: At program point L3-5(line 3) the Hoare annotation is: (and (= ~p1~0.offset |old(~p1~0.offset)|) (= ~p1~0.base |old(~p1~0.base)|)) [2021-02-23 23:05:10,499 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: (and (= (select |#valid| |~#a~0.base|) 1) (not (= |~#b~0.base| |~#a~0.base|))) [2021-02-23 23:05:10,499 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |~#a~0.offset| |old(~#a~0.offset)|) (= ~p2~0.offset |old(~p2~0.offset)|) (= |~#b~0.base| |old(~#b~0.base)|) (= ~p1~0.offset |old(~p1~0.offset)|) (= |~#a~0.base| |old(~#a~0.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~p2~0.base |old(~p2~0.base)|) (= |~#b~0.offset| |old(~#b~0.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~p1~0.base |old(~p1~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-23 23:05:10,499 INFO L185 CegarLoopUtils]: At program point L7(line 7) the Hoare annotation is: (and (= (select |#valid| |~#a~0.base|) 1) (not (= |~#b~0.base| |~#a~0.base|))) [2021-02-23 23:05:10,500 INFO L185 CegarLoopUtils]: At program point L6(line 6) the Hoare annotation is: (and (= (select |#valid| |~#a~0.base|) 1) (= ~p1~0.offset |old(~p1~0.offset)|) (= ~p1~0.base |old(~p1~0.base)|)) [2021-02-23 23:05:10,500 INFO L185 CegarLoopUtils]: At program point L6-1(line 6) the Hoare annotation is: (and (= (select |#valid| |~#a~0.base|) 1) (= ~p1~0.offset |old(~p1~0.offset)|) (= ~p1~0.base |old(~p1~0.base)|)) [2021-02-23 23:05:10,500 INFO L185 CegarLoopUtils]: At program point L6-2(line 6) the Hoare annotation is: (and (= (select |#valid| |~#a~0.base|) 1) (= ~p1~0.offset |old(~p1~0.offset)|) (= ~p1~0.base |old(~p1~0.base)|) (not (= |~#b~0.base| |~#a~0.base|))) [2021-02-23 23:05:10,500 INFO L185 CegarLoopUtils]: At program point L3(line 3) the Hoare annotation is: (and (= ~p1~0.offset |old(~p1~0.offset)|) (= ~p1~0.base |old(~p1~0.base)|)) [2021-02-23 23:05:10,500 INFO L185 CegarLoopUtils]: At program point L6-3(line 6) the Hoare annotation is: (and (= (select |#valid| |~#a~0.base|) 1) (= ~p1~0.offset |old(~p1~0.offset)|) (= ~p1~0.base |old(~p1~0.base)|) (not (= |~#b~0.base| |~#a~0.base|))) [2021-02-23 23:05:10,501 INFO L185 CegarLoopUtils]: At program point L3-1(line 3) the Hoare annotation is: (and (= ~p1~0.offset |old(~p1~0.offset)|) (= ~p1~0.base |old(~p1~0.base)|)) [2021-02-23 23:05:10,501 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: (and (= (select |#valid| |~#a~0.base|) 1) (not (= |~#b~0.base| |~#a~0.base|))) [2021-02-23 23:05:10,501 INFO L185 CegarLoopUtils]: At program point fFINAL(lines 9 17) the Hoare annotation is: (or (and (<= 1 |f_#res|) (< 0 f_~v~0) (<= f_~v~0 1) (= ~p2~0.base ~p1~0.base) (= ~p2~0.offset ~p1~0.offset)) (not (= (select |#valid| |~#a~0.base|) 1)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)) (not (= ~p2~0.offset |~#b~0.offset|)) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |~#b~0.base| ~p2~0.base)) (= |~#b~0.base| |~#a~0.base|) (not (= (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset) 1))) [2021-02-23 23:05:10,501 INFO L185 CegarLoopUtils]: At program point L15(line 15) the Hoare annotation is: (or (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |~#a~0.offset| |old(~p1~0.offset)|)) (not (= ~p2~0.offset |~#b~0.offset|)) (not (= (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset) 1)) (= |~#a~0.base| |~#b~0.base|) (not (= (select |#valid| |~#a~0.base|) 1)) (not (= ~p2~0.base |~#b~0.base|))) [2021-02-23 23:05:10,502 INFO L185 CegarLoopUtils]: At program point L13(line 13) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)) (not (= ~p2~0.offset |~#b~0.offset|)) (and (< 0 f_~v~0) (<= f_~v~0 1) (= ~p2~0.base ~p1~0.base) (= ~p2~0.offset ~p1~0.offset)) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |~#b~0.base| ~p2~0.base)) (= |~#b~0.base| |~#a~0.base|) (not (= (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset) 1))) [2021-02-23 23:05:10,502 INFO L185 CegarLoopUtils]: At program point L12(line 12) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)) (not (= ~p2~0.offset |~#b~0.offset|)) (and (< 0 f_~v~0) (<= f_~v~0 1) (= |old(~p1~0.offset)| ~p1~0.offset) (= |old(~p1~0.base)| ~p1~0.base)) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |~#b~0.base| ~p2~0.base)) (= |~#b~0.base| |~#a~0.base|) (not (= (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset) 1))) [2021-02-23 23:05:10,502 INFO L185 CegarLoopUtils]: At program point L11(lines 11 16) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)) (not (= ~p2~0.offset |~#b~0.offset|)) (and (< 0 f_~v~0) (<= f_~v~0 1) (= |old(~p1~0.offset)| ~p1~0.offset) (= |old(~p1~0.base)| ~p1~0.base)) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |~#b~0.base| ~p2~0.base)) (= |~#b~0.base| |~#a~0.base|) (not (= (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset) 1))) [2021-02-23 23:05:10,503 INFO L185 CegarLoopUtils]: At program point L10(line 10) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)) (not (= ~p2~0.offset |~#b~0.offset|)) (and (= |f_#t~mem7| (select (select |#memory_int| |old(~p1~0.base)|) |old(~p1~0.offset)|)) (= |old(~p1~0.offset)| ~p1~0.offset) (= |old(~p1~0.base)| ~p1~0.base)) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |~#b~0.base| ~p2~0.base)) (= |~#b~0.base| |~#a~0.base|) (not (= (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset) 1))) [2021-02-23 23:05:10,503 INFO L185 CegarLoopUtils]: At program point L10-1(line 10) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)) (not (= ~p2~0.offset |~#b~0.offset|)) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |~#b~0.base| ~p2~0.base)) (and (= |f_#t~mem7| (select (select |#memory_int| |old(~p1~0.base)|) |old(~p1~0.offset)|)) (= (select (select |#memory_int| ~p2~0.base) ~p2~0.offset) |f_#t~mem8|) (= |old(~p1~0.offset)| ~p1~0.offset) (= |old(~p1~0.base)| ~p1~0.base)) (= |~#b~0.base| |~#a~0.base|) (not (= (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset) 1))) [2021-02-23 23:05:10,503 INFO L185 CegarLoopUtils]: At program point L10-2(line 10) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)) (not (= ~p2~0.offset |~#b~0.offset|)) (and (= |f_#t~mem7| (select (select |#memory_int| |old(~p1~0.base)|) |old(~p1~0.offset)|)) (= (select (select |#memory_int| ~p2~0.base) ~p2~0.offset) |f_#t~mem8|) (= |old(~p1~0.offset)| ~p1~0.offset) (= |old(~p1~0.base)| ~p1~0.base) (= |f_#t~mem9| |f_#t~mem7|)) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |~#b~0.base| ~p2~0.base)) (= |~#b~0.base| |~#a~0.base|) (not (= (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset) 1))) [2021-02-23 23:05:10,504 INFO L185 CegarLoopUtils]: At program point fEXIT(lines 9 17) the Hoare annotation is: (or (and (<= 1 |f_#res|) (< 0 f_~v~0) (<= f_~v~0 1) (= ~p2~0.base ~p1~0.base) (= ~p2~0.offset ~p1~0.offset)) (not (= (select |#valid| |~#a~0.base|) 1)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)) (not (= ~p2~0.offset |~#b~0.offset|)) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |~#b~0.base| ~p2~0.base)) (= |~#b~0.base| |~#a~0.base|) (not (= (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset) 1))) [2021-02-23 23:05:10,504 INFO L185 CegarLoopUtils]: At program point L10-3(line 10) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)) (not (= ~p2~0.offset |~#b~0.offset|)) (and (< 0 f_~v~0) (= |f_#t~mem7| (select (select |#memory_int| |old(~p1~0.base)|) |old(~p1~0.offset)|)) (<= f_~v~0 1) (= (select (select |#memory_int| ~p2~0.base) ~p2~0.offset) |f_#t~mem8|) (= |old(~p1~0.offset)| ~p1~0.offset) (= |old(~p1~0.base)| ~p1~0.base) (= |f_#t~mem9| |f_#t~mem7|)) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |~#b~0.base| ~p2~0.base)) (= |~#b~0.base| |~#a~0.base|) (not (= (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset) 1))) [2021-02-23 23:05:10,504 INFO L185 CegarLoopUtils]: At program point L10-4(line 10) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)) (not (= ~p2~0.offset |~#b~0.offset|)) (and (< 0 f_~v~0) (<= f_~v~0 1) (= |old(~p1~0.offset)| ~p1~0.offset) (= |old(~p1~0.base)| ~p1~0.base)) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |~#b~0.base| ~p2~0.base)) (= |~#b~0.base| |~#a~0.base|) (not (= (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset) 1))) [2021-02-23 23:05:10,504 INFO L185 CegarLoopUtils]: At program point fENTRY(lines 9 17) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)) (not (= ~p2~0.offset |~#b~0.offset|)) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |~#b~0.base| ~p2~0.base)) (and (= |old(~p1~0.offset)| ~p1~0.offset) (= |old(~p1~0.base)| ~p1~0.base)) (= |~#b~0.base| |~#a~0.base|) (not (= (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset) 1))) [2021-02-23 23:05:10,505 INFO L185 CegarLoopUtils]: At program point L10-5(line 10) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= |old(~p1~0.offset)| |~#a~0.offset|)) (not (= ~p2~0.offset |~#b~0.offset|)) (and (< 0 f_~v~0) (<= f_~v~0 1) (= |old(~p1~0.offset)| ~p1~0.offset) (= |old(~p1~0.base)| ~p1~0.base)) (not (= |old(~p1~0.base)| |~#a~0.base|)) (not (= |~#b~0.base| ~p2~0.base)) (= |~#b~0.base| |~#a~0.base|) (not (= (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset) 1))) [2021-02-23 23:05:10,505 INFO L185 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: (and (= (select |#valid| |~#a~0.base|) 1) (not (= |~#b~0.base| |~#a~0.base|))) [2021-02-23 23:05:10,505 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= (select |#valid| |~#a~0.base|) 1) (not (= |~#b~0.base| |~#a~0.base|))) [2021-02-23 23:05:10,505 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-23 23:05:10,505 INFO L185 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: (and (= (select |#valid| |~#a~0.base|) 1) (not (= |~#b~0.base| |~#a~0.base|))) [2021-02-23 23:05:10,506 INFO L185 CegarLoopUtils]: At program point L31(line 31) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (and (not (= (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|) 0)) (= ~p2~0.base ~p1~0.base) (= ~p2~0.offset ~p1~0.offset)) (= |~#b~0.base| |~#a~0.base|)) [2021-02-23 23:05:10,506 INFO L185 CegarLoopUtils]: At program point L31-1(lines 31 33) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (and (not (= |main_#t~mem13| 0)) (not (= (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|) 0)) (= ~p2~0.base ~p1~0.base) (= ~p2~0.offset ~p1~0.offset)) (= |~#b~0.base| |~#a~0.base|)) [2021-02-23 23:05:10,506 INFO L185 CegarLoopUtils]: At program point L29(line 29) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (and (= ~p2~0.offset |~#b~0.offset|) (= |~#a~0.base| ~p1~0.base) (= |~#b~0.base| ~p2~0.base) (= (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset) 1) (= ~p1~0.offset |~#a~0.offset|)) (= |~#b~0.base| |~#a~0.base|)) [2021-02-23 23:05:10,506 INFO L185 CegarLoopUtils]: At program point L31-2(line 31) the Hoare annotation is: (or (= |~#a~0.base| |~#b~0.base|) (not (= (select |#valid| |~#a~0.base|) 1))) [2021-02-23 23:05:10,506 INFO L185 CegarLoopUtils]: At program point L29-1(line 29) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (and (not (= |main_#t~ret12| 0)) (= ~p2~0.base ~p1~0.base) (= ~p2~0.offset ~p1~0.offset)) (= |~#b~0.base| |~#a~0.base|)) [2021-02-23 23:05:10,507 INFO L192 CegarLoopUtils]: At program point L31-3(line 31) the Hoare annotation is: true [2021-02-23 23:05:10,507 INFO L185 CegarLoopUtils]: At program point L27(line 27) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (and (= ~p2~0.offset |~#b~0.offset|) (= |~#a~0.base| ~p1~0.base) (= |~#b~0.base| ~p2~0.base) (= (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset) 1) (= ~p1~0.offset |~#a~0.offset|)) (= |~#b~0.base| |~#a~0.base|)) [2021-02-23 23:05:10,507 INFO L185 CegarLoopUtils]: At program point L29-2(line 29) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (and (not (= |main_#t~ret12| 0)) (= ~p2~0.base ~p1~0.base) (= ~p2~0.offset ~p1~0.offset)) (= |~#b~0.base| |~#a~0.base|)) [2021-02-23 23:05:10,507 INFO L185 CegarLoopUtils]: At program point L27-1(line 27) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (and (= ~p2~0.offset |~#b~0.offset|) (= |~#a~0.base| ~p1~0.base) (= |~#b~0.base| ~p2~0.base) (= (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset) 1) (= ~p1~0.offset |~#a~0.offset|)) (= |~#b~0.base| |~#a~0.base|)) [2021-02-23 23:05:10,508 INFO L185 CegarLoopUtils]: At program point L29-3(line 29) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (and (not (= |main_#t~ret12| 0)) (not (= (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|) 0)) (= ~p2~0.base ~p1~0.base) (= ~p2~0.offset ~p1~0.offset)) (= |~#b~0.base| |~#a~0.base|)) [2021-02-23 23:05:10,508 INFO L185 CegarLoopUtils]: At program point L25(line 25) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (and (= ~p2~0.offset |~#b~0.offset|) (= |~#a~0.base| ~p1~0.base) (= |~#b~0.base| ~p2~0.base) (= (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset) 1) (= ~p1~0.offset |~#a~0.offset|)) (= |~#b~0.base| |~#a~0.base|)) [2021-02-23 23:05:10,508 INFO L185 CegarLoopUtils]: At program point L27-2(line 27) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (and (= ~p2~0.offset |~#b~0.offset|) (= |~#a~0.base| ~p1~0.base) (= |~#b~0.base| ~p2~0.base) (= (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset) 1) (= ~p1~0.offset |~#a~0.offset|)) (= |~#b~0.base| |~#a~0.base|)) [2021-02-23 23:05:10,508 INFO L192 CegarLoopUtils]: At program point mainEXIT(lines 19 39) the Hoare annotation is: true [2021-02-23 23:05:10,508 INFO L185 CegarLoopUtils]: At program point L27-3(line 27) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (and (= ~p2~0.offset |~#b~0.offset|) (= |~#a~0.base| ~p1~0.base) (= |~#b~0.base| ~p2~0.base) (= (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset) 1) (= ~p1~0.offset |~#a~0.offset|)) (= |~#b~0.base| |~#a~0.base|)) [2021-02-23 23:05:10,509 INFO L192 CegarLoopUtils]: At program point mainFINAL(lines 19 39) the Hoare annotation is: true [2021-02-23 23:05:10,509 INFO L185 CegarLoopUtils]: At program point L38(line 38) the Hoare annotation is: (or (= |~#a~0.base| |~#b~0.base|) (not (= (select |#valid| |~#a~0.base|) 1))) [2021-02-23 23:05:10,509 INFO L185 CegarLoopUtils]: At program point L32(lines 19 39) the Hoare annotation is: (or (= |~#a~0.base| |~#b~0.base|) (not (= (select |#valid| |~#a~0.base|) 1))) [2021-02-23 23:05:10,509 INFO L185 CegarLoopUtils]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 37) the Hoare annotation is: (or (= |~#a~0.base| |~#b~0.base|) (not (= (select |#valid| |~#a~0.base|) 1))) [2021-02-23 23:05:10,509 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 19 39) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (and (= ~p2~0.base |old(~p2~0.base)|) (= |old(~p2~0.offset)| ~p2~0.offset) (= |old(~p1~0.offset)| ~p1~0.offset) (= |old(~p1~0.base)| ~p1~0.base)) (= |~#b~0.base| |~#a~0.base|)) [2021-02-23 23:05:10,510 INFO L185 CegarLoopUtils]: At program point L24(line 24) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (and (= ~p2~0.offset |~#b~0.offset|) (= |~#a~0.base| ~p1~0.base) (= |~#b~0.base| ~p2~0.base) (= ~p1~0.offset |~#a~0.offset|)) (= |~#b~0.base| |~#a~0.base|)) [2021-02-23 23:05:10,510 INFO L185 CegarLoopUtils]: At program point L24-1(line 24) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (and (= ~p2~0.offset |~#b~0.offset|) (= |~#a~0.base| ~p1~0.base) (= |~#b~0.base| ~p2~0.base) (= (select (select (store |#memory_int| |~#a~0.base| (store (select |#memory_int| |~#a~0.base|) |~#a~0.offset| 5)) ~p2~0.base) ~p2~0.offset) 1) (= ~p1~0.offset |~#a~0.offset|)) (= |~#b~0.base| |~#a~0.base|)) [2021-02-23 23:05:10,510 INFO L185 CegarLoopUtils]: At program point L22(line 22) the Hoare annotation is: (or (not (= (select |#valid| |~#a~0.base|) 1)) (and (= |~#a~0.base| ~p1~0.base) (= ~p1~0.offset |~#a~0.offset|)) (= |~#b~0.base| |~#a~0.base|)) [2021-02-23 23:05:10,510 INFO L185 CegarLoopUtils]: At program point L37(line 37) the Hoare annotation is: (or (= |~#a~0.base| |~#b~0.base|) (not (= (select |#valid| |~#a~0.base|) 1))) [2021-02-23 23:05:10,510 INFO L192 CegarLoopUtils]: At program point L35(line 35) the Hoare annotation is: true [2021-02-23 23:05:10,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 11:05:10 BoogieIcfgContainer [2021-02-23 23:05:10,533 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 23:05:10,535 INFO L168 Benchmark]: Toolchain (without parser) took 7765.95 ms. Allocated memory was 185.6 MB in the beginning and 293.6 MB in the end (delta: 108.0 MB). Free memory was 161.6 MB in the beginning and 248.7 MB in the end (delta: -87.1 MB). Peak memory consumption was 166.0 MB. Max. memory is 8.0 GB. [2021-02-23 23:05:10,536 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 185.6 MB. Free memory is still 163.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 23:05:10,536 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.66 ms. Allocated memory is still 185.6 MB. Free memory was 160.5 MB in the beginning and 150.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-02-23 23:05:10,537 INFO L168 Benchmark]: Boogie Preprocessor took 68.99 ms. Allocated memory is still 185.6 MB. Free memory was 150.8 MB in the beginning and 149.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-02-23 23:05:10,538 INFO L168 Benchmark]: RCFGBuilder took 781.23 ms. Allocated memory is still 185.6 MB. Free memory was 149.4 MB in the beginning and 168.4 MB in the end (delta: -19.0 MB). Peak memory consumption was 21.6 MB. Max. memory is 8.0 GB. [2021-02-23 23:05:10,539 INFO L168 Benchmark]: TraceAbstraction took 6600.05 ms. Allocated memory was 185.6 MB in the beginning and 293.6 MB in the end (delta: 108.0 MB). Free memory was 168.4 MB in the beginning and 248.7 MB in the end (delta: -80.3 MB). Peak memory consumption was 171.6 MB. Max. memory is 8.0 GB. [2021-02-23 23:05:10,543 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 185.6 MB. Free memory is still 163.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 293.66 ms. Allocated memory is still 185.6 MB. Free memory was 160.5 MB in the beginning and 150.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 68.99 ms. Allocated memory is still 185.6 MB. Free memory was 150.8 MB in the beginning and 149.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 781.23 ms. Allocated memory is still 185.6 MB. Free memory was 149.4 MB in the beginning and 168.4 MB in the end (delta: -19.0 MB). Peak memory consumption was 21.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 6600.05 ms. Allocated memory was 185.6 MB in the beginning and 293.6 MB in the end (delta: 108.0 MB). Free memory was 168.4 MB in the beginning and 248.7 MB in the end (delta: -80.3 MB). Peak memory consumption was 171.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 37]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: a == b || !(\valid[a] == 1) - ProcedureContractResult [Line: 9]: Procedure Contract for f Derived contract for procedure f: ((((((((((1 <= \result && 0 < v) && v <= 1) && p2 == p1) && p2 == p1) || !(\valid[a] == 1)) || !(\old(p1) == a)) || !(p2 == b)) || !(\old(p1) == a)) || !(b == p2)) || b == a) || !(unknown-#memory_int-unknown[a := unknown-#memory_int-unknown[a][a := 5]][p2][p2] == 1) - ProcedureContractResult [Line: 19]: Procedure Contract for main Derived contract for procedure main: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.9s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 69 SDtfs, 162 SDslu, 319 SDs, 0 SdLazy, 372 SolverSat, 40 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 70 NumberOfFragments, 1475 HoareAnnotationTreeSize, 57 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 57 FomulaSimplificationsInter, 1345 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 31063 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...