/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-crafted/simple_vardep_1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:45:48,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:45:48,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:45:48,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 22:45:48,568 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 22:45:48,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 22:45:48,571 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 22:45:48,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 22:45:48,576 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 22:45:48,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 22:45:48,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 22:45:48,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2020-11-06 22:45:48,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:45:48,625 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:45:48,626 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:45:48,627 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-06 22:45:48,654 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:45:48,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:45:48,656 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:45:48,656 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:45:48,656 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:45:48,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:45:48,657 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:45:48,657 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:45:48,657 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:45:48,658 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:45:48,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:45:48,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:45:48,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:45:48,659 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:45:48,659 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:45:48,659 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:45:48,659 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:45:48,660 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:45:48,660 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:45:48,660 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:45:48,660 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:45:48,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:45:48,661 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:45:48,661 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:45:48,661 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:45:48,661 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:45:48,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:45:48,662 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:45:48,665 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:45:48,665 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:45:49,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:45:49,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:45:49,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:45:49,074 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:45:49,075 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:45:49,076 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_vardep_1.c [2020-11-06 22:45:49,156 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa8003632/59f2823d1a3848d8b722ecb5bfb6aa42/FLAG62e52db48 [2020-11-06 22:45:49,808 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:45:49,809 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_vardep_1.c [2020-11-06 22:45:49,818 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa8003632/59f2823d1a3848d8b722ecb5bfb6aa42/FLAG62e52db48 [2020-11-06 22:45:50,152 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa8003632/59f2823d1a3848d8b722ecb5bfb6aa42 [2020-11-06 22:45:50,163 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:45:50,173 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:45:50,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:45:50,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:45:50,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:45:50,187 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:45:50" (1/1) ... [2020-11-06 22:45:50,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c477360 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:50, skipping insertion in model container [2020-11-06 22:45:50,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:45:50" (1/1) ... [2020-11-06 22:45:50,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:45:50,226 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:45:50,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:45:50,491 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:45:50,510 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:45:50,529 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:45:50,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:50 WrapperNode [2020-11-06 22:45:50,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:45:50,532 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:45:50,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:45:50,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:45:50,547 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:50" (1/1) ... [2020-11-06 22:45:50,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:50" (1/1) ... [2020-11-06 22:45:50,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:50" (1/1) ... [2020-11-06 22:45:50,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:50" (1/1) ... [2020-11-06 22:45:50,568 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:50" (1/1) ... [2020-11-06 22:45:50,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:50" (1/1) ... [2020-11-06 22:45:50,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:50" (1/1) ... [2020-11-06 22:45:50,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:45:50,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:45:50,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:45:50,595 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:45:50,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:50" (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 [2020-11-06 22:45:50,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:45:50,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:45:50,683 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:45:50,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-11-06 22:45:50,683 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:45:50,684 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:45:50,684 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:45:50,684 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:45:50,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:45:50,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-11-06 22:45:50,685 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:45:50,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:45:50,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:45:50,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:45:50,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:45:50,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:45:50,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:45:50,970 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:45:50,970 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-06 22:45:50,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:45:50 BoogieIcfgContainer [2020-11-06 22:45:50,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:45:50,978 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:45:50,979 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:45:50,988 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:45:50,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:45:50" (1/3) ... [2020-11-06 22:45:50,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fc19d42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:45:50, skipping insertion in model container [2020-11-06 22:45:50,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:50" (2/3) ... [2020-11-06 22:45:50,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fc19d42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:45:50, skipping insertion in model container [2020-11-06 22:45:50,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:45:50" (3/3) ... [2020-11-06 22:45:50,997 INFO L111 eAbstractionObserver]: Analyzing ICFG simple_vardep_1.c [2020-11-06 22:45:51,039 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:45:51,046 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:45:51,077 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:45:51,124 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:45:51,125 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:45:51,125 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:45:51,125 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:45:51,125 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:45:51,125 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:45:51,126 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:45:51,126 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:45:51,145 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2020-11-06 22:45:51,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-06 22:45:51,150 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:45:51,151 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:45:51,152 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:45:51,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:45:51,159 INFO L82 PathProgramCache]: Analyzing trace with hash 726330133, now seen corresponding path program 1 times [2020-11-06 22:45:51,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:45:51,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867819070] [2020-11-06 22:45:51,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:45:51,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:45:51,891 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 18 [2020-11-06 22:45:52,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:45:52,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:45:52,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:45:52,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867819070] [2020-11-06 22:45:52,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:45:52,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-06 22:45:52,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006933845] [2020-11-06 22:45:52,054 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 22:45:52,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:45:52,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 22:45:52,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:45:52,080 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 7 states. [2020-11-06 22:45:52,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:45:52,555 INFO L93 Difference]: Finished difference Result 33 states and 40 transitions. [2020-11-06 22:45:52,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-06 22:45:52,558 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 12 [2020-11-06 22:45:52,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:45:52,565 INFO L225 Difference]: With dead ends: 33 [2020-11-06 22:45:52,565 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 22:45:52,569 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2020-11-06 22:45:52,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 22:45:52,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 22:45:52,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 22:45:52,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 22:45:52,597 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2020-11-06 22:45:52,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:45:52,597 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 22:45:52,597 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 22:45:52,598 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 22:45:52,598 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 22:45:52,598 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 22:45:52,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 22:45:52,836 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 17 [2020-11-06 22:45:52,921 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 6) no Hoare annotation was computed. [2020-11-06 22:45:52,922 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 6) the Hoare annotation is: true [2020-11-06 22:45:52,922 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 6) no Hoare annotation was computed. [2020-11-06 22:45:52,922 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2020-11-06 22:45:52,922 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:45:52,923 INFO L262 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-11-06 22:45:52,923 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:45:52,923 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:45:52,923 INFO L269 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-11-06 22:45:52,923 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 22:45:52,923 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:45:52,924 INFO L269 CegarLoopResult]: At program point mainENTRY(lines 15 29) the Hoare annotation is: true [2020-11-06 22:45:52,924 INFO L262 CegarLoopResult]: At program point L26(line 26) the Hoare annotation is: (let ((.cse2 (+ main_~i~0 main_~j~0))) (let ((.cse1 (+ (* 4294967296 (div .cse2 4294967296)) main_~k~0)) (.cse0 (* 4294967296 (div main_~k~0 4294967296)))) (and (<= (+ main_~i~0 main_~j~0 .cse0) .cse1) (< .cse1 (+ main_~i~0 main_~j~0 .cse0 1)) (<= .cse2 main_~k~0)))) [2020-11-06 22:45:52,924 INFO L262 CegarLoopResult]: At program point L26-1(lines 21 27) the Hoare annotation is: (let ((.cse2 (+ main_~i~0 main_~j~0))) (let ((.cse1 (+ (* 4294967296 (div .cse2 4294967296)) main_~k~0)) (.cse0 (* 4294967296 (div main_~k~0 4294967296)))) (and (<= (+ main_~i~0 main_~j~0 .cse0) .cse1) (< .cse1 (+ main_~i~0 main_~j~0 .cse0 1)) (<= .cse2 main_~k~0)))) [2020-11-06 22:45:52,925 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 15 29) no Hoare annotation was computed. [2020-11-06 22:45:52,925 INFO L266 CegarLoopResult]: For program point L21-2(lines 15 29) no Hoare annotation was computed. [2020-11-06 22:45:52,925 INFO L269 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 7 13) the Hoare annotation is: true [2020-11-06 22:45:52,925 INFO L262 CegarLoopResult]: At program point L10(line 10) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2020-11-06 22:45:52,925 INFO L266 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 7 13) no Hoare annotation was computed. [2020-11-06 22:45:52,926 INFO L266 CegarLoopResult]: For program point L9(lines 9 11) no Hoare annotation was computed. [2020-11-06 22:45:52,926 INFO L266 CegarLoopResult]: For program point L10-1(line 10) no Hoare annotation was computed. [2020-11-06 22:45:52,926 INFO L266 CegarLoopResult]: For program point L9-2(lines 7 13) no Hoare annotation was computed. [2020-11-06 22:45:52,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:45:52 BoogieIcfgContainer [2020-11-06 22:45:52,944 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:45:52,947 INFO L168 Benchmark]: Toolchain (without parser) took 2779.67 ms. Allocated memory is still 152.0 MB. Free memory was 128.0 MB in the beginning and 67.1 MB in the end (delta: 60.9 MB). Peak memory consumption was 61.9 MB. Max. memory is 8.0 GB. [2020-11-06 22:45:52,948 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 152.0 MB. Free memory was 125.3 MB in the beginning and 125.2 MB in the end (delta: 88.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:45:52,949 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.51 ms. Allocated memory is still 152.0 MB. Free memory was 127.3 MB in the beginning and 118.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-11-06 22:45:52,950 INFO L168 Benchmark]: Boogie Preprocessor took 60.47 ms. Allocated memory is still 152.0 MB. Free memory was 118.2 MB in the beginning and 116.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-11-06 22:45:52,951 INFO L168 Benchmark]: RCFGBuilder took 379.90 ms. Allocated memory is still 152.0 MB. Free memory was 116.8 MB in the beginning and 105.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-11-06 22:45:52,952 INFO L168 Benchmark]: TraceAbstraction took 1966.21 ms. Allocated memory is still 152.0 MB. Free memory was 104.5 MB in the beginning and 67.1 MB in the end (delta: 37.4 MB). Peak memory consumption was 37.8 MB. Max. memory is 8.0 GB. [2020-11-06 22:45:52,957 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 152.0 MB. Free memory was 125.3 MB in the beginning and 125.2 MB in the end (delta: 88.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 351.51 ms. Allocated memory is still 152.0 MB. Free memory was 127.3 MB in the beginning and 118.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 60.47 ms. Allocated memory is still 152.0 MB. Free memory was 118.2 MB in the beginning and 116.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 379.90 ms. Allocated memory is still 152.0 MB. Free memory was 116.8 MB in the beginning and 105.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1966.21 ms. Allocated memory is still 152.0 MB. Free memory was 104.5 MB in the beginning and 67.1 MB in the end (delta: 37.4 MB). Peak memory consumption was 37.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: 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: 21]: Loop Invariant Derived loop invariant: (i + j + 4294967296 * (k / 4294967296) <= 4294967296 * ((i + j) / 4294967296) + k && 4294967296 * ((i + j) / 4294967296) + k < i + j + 4294967296 * (k / 4294967296) + 1) && i + j <= k - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 10 SDtfs, 13 SDslu, 30 SDs, 0 SdLazy, 32 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred 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, 9 LocationsWithAnnotation, 11 PreInvPairs, 14 NumberOfFragments, 125 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 169 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 1078 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...