/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-industry-pattern/mod3.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:46:37,831 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:46:37,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:46:37,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 22:46:37,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 22:46:37,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 22:46:37,901 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 22:46:37,909 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 22:46:37,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 22:46:37,918 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 22:46:37,920 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 22:46:37,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2020-11-06 22:46:37,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:46:37,996 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:46:37,996 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:46:37,997 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 22:46:38,055 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:46:38,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:46:38,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:46:38,061 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:46:38,061 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:46:38,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:46:38,062 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:46:38,062 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:46:38,062 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:46:38,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:46:38,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:46:38,064 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:46:38,064 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:46:38,065 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:46:38,065 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:46:38,065 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:46:38,065 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:46:38,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:46:38,066 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:46:38,066 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:46:38,067 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:46:38,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:46:38,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:46:38,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:46:38,068 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:46:38,068 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:46:38,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:46:38,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:46:38,069 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:46:38,069 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:46:38,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:46:38,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:46:38,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:46:38,505 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:46:38,506 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:46:38,507 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c [2020-11-06 22:46:38,581 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95badc72e/6299e651d4a24e74a341ffd3f35bb7e6/FLAGdd7bf3b0b [2020-11-06 22:46:39,192 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:46:39,192 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c [2020-11-06 22:46:39,200 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95badc72e/6299e651d4a24e74a341ffd3f35bb7e6/FLAGdd7bf3b0b [2020-11-06 22:46:39,581 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95badc72e/6299e651d4a24e74a341ffd3f35bb7e6 [2020-11-06 22:46:39,585 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:46:39,592 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:46:39,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:46:39,595 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:46:39,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:46:39,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:46:39" (1/1) ... [2020-11-06 22:46:39,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d3a5c5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:39, skipping insertion in model container [2020-11-06 22:46:39,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:46:39" (1/1) ... [2020-11-06 22:46:39,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:46:39,633 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:46:39,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:46:39,810 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:46:39,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:46:39,849 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:46:39,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:39 WrapperNode [2020-11-06 22:46:39,850 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:46:39,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:46:39,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:46:39,854 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:46:39,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:39" (1/1) ... [2020-11-06 22:46:39,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:39" (1/1) ... [2020-11-06 22:46:39,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:39" (1/1) ... [2020-11-06 22:46:39,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:39" (1/1) ... [2020-11-06 22:46:39,886 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:39" (1/1) ... [2020-11-06 22:46:39,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:39" (1/1) ... [2020-11-06 22:46:39,893 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:39" (1/1) ... [2020-11-06 22:46:39,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:46:39,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:46:39,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:46:39,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:46:39,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:39" (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 22:46:39,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:46:39,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:46:39,988 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:46:39,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-11-06 22:46:39,988 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:46:39,988 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:46:39,988 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:46:39,989 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:46:39,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:46:39,989 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 22:46:39,989 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-11-06 22:46:39,989 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:46:39,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:46:39,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:46:39,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:46:39,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:46:39,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:46:39,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:46:40,442 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:46:40,443 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-06 22:46:40,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:46:40 BoogieIcfgContainer [2020-11-06 22:46:40,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:46:40,481 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:46:40,481 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:46:40,491 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:46:40,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:46:39" (1/3) ... [2020-11-06 22:46:40,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58322c9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:46:40, skipping insertion in model container [2020-11-06 22:46:40,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:39" (2/3) ... [2020-11-06 22:46:40,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58322c9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:46:40, skipping insertion in model container [2020-11-06 22:46:40,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:46:40" (3/3) ... [2020-11-06 22:46:40,502 INFO L111 eAbstractionObserver]: Analyzing ICFG mod3.c [2020-11-06 22:46:40,539 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:46:40,542 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:46:40,557 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:46:40,601 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:46:40,602 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:46:40,602 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:46:40,602 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:46:40,602 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:46:40,602 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:46:40,603 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:46:40,603 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:46:40,629 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2020-11-06 22:46:40,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-06 22:46:40,636 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:46:40,638 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:46:40,638 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:46:40,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:46:40,648 INFO L82 PathProgramCache]: Analyzing trace with hash 180032467, now seen corresponding path program 1 times [2020-11-06 22:46:40,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:46:40,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487730201] [2020-11-06 22:46:40,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:46:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:46:40,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:46:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:46:41,017 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 22:46:41,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487730201] [2020-11-06 22:46:41,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:46:41,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-06 22:46:41,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691395909] [2020-11-06 22:46:41,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:46:41,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:46:41,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:46:41,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-06 22:46:41,045 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 3 states. [2020-11-06 22:46:41,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:46:41,134 INFO L93 Difference]: Finished difference Result 42 states and 51 transitions. [2020-11-06 22:46:41,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:46:41,137 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-11-06 22:46:41,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:46:41,147 INFO L225 Difference]: With dead ends: 42 [2020-11-06 22:46:41,147 INFO L226 Difference]: Without dead ends: 18 [2020-11-06 22:46:41,156 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-06 22:46:41,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-11-06 22:46:41,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-11-06 22:46:41,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-11-06 22:46:41,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2020-11-06 22:46:41,202 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 13 [2020-11-06 22:46:41,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:46:41,203 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions. [2020-11-06 22:46:41,203 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:46:41,203 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2020-11-06 22:46:41,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-06 22:46:41,204 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:46:41,204 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:46:41,205 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 22:46:41,205 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:46:41,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:46:41,206 INFO L82 PathProgramCache]: Analyzing trace with hash -617557309, now seen corresponding path program 1 times [2020-11-06 22:46:41,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:46:41,207 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663538341] [2020-11-06 22:46:41,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:46:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:46:41,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:46:41,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:46:41,367 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 22:46:41,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663538341] [2020-11-06 22:46:41,370 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:46:41,370 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 22:46:41,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588029249] [2020-11-06 22:46:41,372 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 22:46:41,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:46:41,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 22:46:41,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-06 22:46:41,377 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. Second operand 4 states. [2020-11-06 22:46:41,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:46:41,501 INFO L93 Difference]: Finished difference Result 30 states and 36 transitions. [2020-11-06 22:46:41,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-06 22:46:41,502 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-11-06 22:46:41,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:46:41,503 INFO L225 Difference]: With dead ends: 30 [2020-11-06 22:46:41,503 INFO L226 Difference]: Without dead ends: 23 [2020-11-06 22:46:41,504 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:46:41,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-11-06 22:46:41,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 20. [2020-11-06 22:46:41,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-11-06 22:46:41,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2020-11-06 22:46:41,514 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 14 [2020-11-06 22:46:41,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:46:41,514 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2020-11-06 22:46:41,514 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 22:46:41,515 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2020-11-06 22:46:41,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-06 22:46:41,515 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:46:41,515 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:46:41,516 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 22:46:41,516 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:46:41,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:46:41,517 INFO L82 PathProgramCache]: Analyzing trace with hash -1981087390, now seen corresponding path program 1 times [2020-11-06 22:46:41,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:46:41,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091995222] [2020-11-06 22:46:41,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:46:41,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:46:41,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:46:41,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:46:41,740 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:46:41,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091995222] [2020-11-06 22:46:41,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:46:41,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-06 22:46:41,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135362117] [2020-11-06 22:46:41,742 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-06 22:46:41,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:46:41,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-06 22:46:41,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-06 22:46:41,743 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand 6 states. [2020-11-06 22:46:44,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:46:44,181 INFO L93 Difference]: Finished difference Result 43 states and 53 transitions. [2020-11-06 22:46:44,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-06 22:46:44,182 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-11-06 22:46:44,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:46:44,183 INFO L225 Difference]: With dead ends: 43 [2020-11-06 22:46:44,183 INFO L226 Difference]: Without dead ends: 25 [2020-11-06 22:46:44,184 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-11-06 22:46:44,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-11-06 22:46:44,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2020-11-06 22:46:44,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-11-06 22:46:44,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2020-11-06 22:46:44,192 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 17 [2020-11-06 22:46:44,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:46:44,192 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2020-11-06 22:46:44,192 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-06 22:46:44,193 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2020-11-06 22:46:44,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-06 22:46:44,193 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:46:44,194 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:46:44,194 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-06 22:46:44,194 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:46:44,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:46:44,195 INFO L82 PathProgramCache]: Analyzing trace with hash -811426357, now seen corresponding path program 1 times [2020-11-06 22:46:44,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:46:44,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958764118] [2020-11-06 22:46:44,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:46:44,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:46:44,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:46:44,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:46:44,419 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:46:44,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958764118] [2020-11-06 22:46:44,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:46:44,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-06 22:46:44,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899598600] [2020-11-06 22:46:44,421 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-06 22:46:44,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:46:44,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-06 22:46:44,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-06 22:46:44,422 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand 6 states. [2020-11-06 22:46:48,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:46:48,994 INFO L93 Difference]: Finished difference Result 42 states and 52 transitions. [2020-11-06 22:46:48,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-06 22:46:48,995 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2020-11-06 22:46:48,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:46:48,995 INFO L225 Difference]: With dead ends: 42 [2020-11-06 22:46:48,995 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 22:46:48,996 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-11-06 22:46:48,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 22:46:48,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 22:46:48,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 22:46:48,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 22:46:48,997 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-11-06 22:46:48,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:46:48,998 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 22:46:48,998 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-06 22:46:48,998 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 22:46:48,998 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 22:46:48,998 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-06 22:46:49,001 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 22:46:49,192 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-11-06 22:46:49,193 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-11-06 22:46:49,193 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-11-06 22:46:49,193 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-06 22:46:49,193 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:46:49,193 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 22:46:49,194 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:46:49,194 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:46:49,194 INFO L269 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-11-06 22:46:49,194 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 22:46:49,194 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:46:49,195 INFO L262 CegarLoopResult]: At program point L33(line 33) the Hoare annotation is: (<= main_~x~0 (let ((.cse0 (div main_~x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ main_~x~0 .cse2) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 (div (+ main_~x~0 .cse2 (* .cse1 (- 3))) 4294967296))))))) [2020-11-06 22:46:49,195 INFO L266 CegarLoopResult]: For program point L25(lines 25 28) no Hoare annotation was computed. [2020-11-06 22:46:49,195 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 14 35) no Hoare annotation was computed. [2020-11-06 22:46:49,195 INFO L262 CegarLoopResult]: At program point L25-2(lines 18 31) the Hoare annotation is: (or (= main_~y~0 1) (<= main_~x~0 (let ((.cse0 (div main_~x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ main_~x~0 .cse2) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 (div (+ main_~x~0 .cse2 (* .cse1 (- 3))) 4294967296)))))))) [2020-11-06 22:46:49,195 INFO L266 CegarLoopResult]: For program point L19(lines 19 30) no Hoare annotation was computed. [2020-11-06 22:46:49,196 INFO L266 CegarLoopResult]: For program point mainFINAL(lines 14 35) no Hoare annotation was computed. [2020-11-06 22:46:49,196 INFO L266 CegarLoopResult]: For program point L32(lines 32 33) no Hoare annotation was computed. [2020-11-06 22:46:49,196 INFO L269 CegarLoopResult]: At program point mainENTRY(lines 14 35) the Hoare annotation is: true [2020-11-06 22:46:49,196 INFO L266 CegarLoopResult]: For program point L22(lines 22 29) no Hoare annotation was computed. [2020-11-06 22:46:49,196 INFO L266 CegarLoopResult]: For program point L18-1(lines 18 31) no Hoare annotation was computed. [2020-11-06 22:46:49,196 INFO L266 CegarLoopResult]: For program point L18-3(lines 14 35) no Hoare annotation was computed. [2020-11-06 22:46:49,196 INFO L269 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 8 12) the Hoare annotation is: true [2020-11-06 22:46:49,197 INFO L262 CegarLoopResult]: At program point L10(line 10) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2020-11-06 22:46:49,197 INFO L266 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 8 12) no Hoare annotation was computed. [2020-11-06 22:46:49,197 INFO L266 CegarLoopResult]: For program point L9(lines 9 10) no Hoare annotation was computed. [2020-11-06 22:46:49,197 INFO L266 CegarLoopResult]: For program point L10-1(line 10) no Hoare annotation was computed. [2020-11-06 22:46:49,197 INFO L266 CegarLoopResult]: For program point L9-2(lines 8 12) no Hoare annotation was computed. [2020-11-06 22:46:49,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:46:49 BoogieIcfgContainer [2020-11-06 22:46:49,216 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:46:49,219 INFO L168 Benchmark]: Toolchain (without parser) took 9630.22 ms. Allocated memory is still 151.0 MB. Free memory was 126.2 MB in the beginning and 58.8 MB in the end (delta: 67.4 MB). Peak memory consumption was 68.7 MB. Max. memory is 8.0 GB. [2020-11-06 22:46:49,220 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory is still 124.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:46:49,221 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.36 ms. Allocated memory is still 151.0 MB. Free memory was 125.7 MB in the beginning and 115.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-11-06 22:46:49,222 INFO L168 Benchmark]: Boogie Preprocessor took 42.58 ms. Allocated memory is still 151.0 MB. Free memory was 115.9 MB in the beginning and 114.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-11-06 22:46:49,223 INFO L168 Benchmark]: RCFGBuilder took 570.55 ms. Allocated memory is still 151.0 MB. Free memory was 114.4 MB in the beginning and 134.2 MB in the end (delta: -19.8 MB). Peak memory consumption was 17.2 MB. Max. memory is 8.0 GB. [2020-11-06 22:46:49,224 INFO L168 Benchmark]: TraceAbstraction took 8735.04 ms. Allocated memory is still 151.0 MB. Free memory was 133.9 MB in the beginning and 58.8 MB in the end (delta: 75.2 MB). Peak memory consumption was 75.6 MB. Max. memory is 8.0 GB. [2020-11-06 22:46:49,227 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 151.0 MB. Free memory is still 124.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 257.36 ms. Allocated memory is still 151.0 MB. Free memory was 125.7 MB in the beginning and 115.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 42.58 ms. Allocated memory is still 151.0 MB. Free memory was 115.9 MB in the beginning and 114.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 570.55 ms. Allocated memory is still 151.0 MB. Free memory was 114.4 MB in the beginning and 134.2 MB in the end (delta: -19.8 MB). Peak memory consumption was 17.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 8735.04 ms. Allocated memory is still 151.0 MB. Free memory was 133.9 MB in the beginning and 58.8 MB in the end (delta: 75.2 MB). Peak memory consumption was 75.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: y == 1 || x <= 4294967296 * (x / 4294967296) + 3 * ((x + x / 4294967296 * -4294967296) / 3) + 4294967296 * ((x + x / 4294967296 * -4294967296 + (x + x / 4294967296 * -4294967296) / 3 * -3) / 4294967296) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 28 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.4s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 7.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 86 SDtfs, 82 SDslu, 46 SDs, 0 SdLazy, 136 SolverSat, 20 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 6.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred 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, 4 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 22 PreInvPairs, 25 NumberOfFragments, 125 HoareAnnotationTreeSize, 22 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 161 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 8154 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 4/4 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...