/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -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/aiob_4.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-c225d54 [2021-05-02 12:46:39,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-02 12:46:39,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-02 12:46:39,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-05-02 12:46:39,881 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-02 12:46:39,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-02 12:46:39,884 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-02 12:46:39,888 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 [2021-05-02 12:46:39,949 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-02 12:46:39,950 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-02 12:46:39,951 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-02 12:46:39,952 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-02 12:46:39,952 INFO L138 SettingsManager]: * Use SBE=true [2021-05-02 12:46:39,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-02 12:46:39,952 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-02 12:46:39,953 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-02 12:46:39,953 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-02 12:46:39,953 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-02 12:46:39,953 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-02 12:46:39,953 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-02 12:46:39,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-02 12:46:39,953 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-02 12:46:39,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-02 12:46:39,954 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-02 12:46:39,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-02 12:46:39,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-02 12:46:39,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-02 12:46:39,954 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-02 12:46:39,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-02 12:46:39,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-02 12:46:39,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-02 12:46:39,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-02 12:46:39,955 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-02 12:46:39,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-02 12:46:39,955 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-02 12:46:39,955 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-05-02 12:46:39,956 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2021-05-02 12:46:40,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-02 12:46:40,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-02 12:46:40,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-02 12:46:40,310 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-02 12:46:40,310 INFO L275 PluginConnector]: CDTParser initialized [2021-05-02 12:46:40,311 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2021-05-02 12:46:40,383 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1862af72/80cdd23c81ff47b1bbfa1ce61c6a92fe/FLAG5a3fcf4b5 [2021-05-02 12:46:41,016 INFO L306 CDTParser]: Found 1 translation units. [2021-05-02 12:46:41,017 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2021-05-02 12:46:41,024 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1862af72/80cdd23c81ff47b1bbfa1ce61c6a92fe/FLAG5a3fcf4b5 [2021-05-02 12:46:41,325 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1862af72/80cdd23c81ff47b1bbfa1ce61c6a92fe [2021-05-02 12:46:41,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-02 12:46:41,344 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-02 12:46:41,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-02 12:46:41,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-02 12:46:41,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-02 12:46:41,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 12:46:41" (1/1) ... [2021-05-02 12:46:41,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a3051b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 12:46:41, skipping insertion in model container [2021-05-02 12:46:41,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 12:46:41" (1/1) ... [2021-05-02 12:46:41,361 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-02 12:46:41,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-02 12:46:41,672 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c[15516,15529] [2021-05-02 12:46:41,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-02 12:46:41,694 INFO L203 MainTranslator]: Completed pre-run [2021-05-02 12:46:41,864 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c[15516,15529] [2021-05-02 12:46:41,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-02 12:46:41,894 INFO L208 MainTranslator]: Completed translation [2021-05-02 12:46:41,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 12:46:41 WrapperNode [2021-05-02 12:46:41,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-02 12:46:41,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-02 12:46:41,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-02 12:46:41,908 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-02 12:46:41,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 12:46:41" (1/1) ... [2021-05-02 12:46:41,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 12:46:41" (1/1) ... [2021-05-02 12:46:41,952 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 12:46:41" (1/1) ... [2021-05-02 12:46:41,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 12:46:41" (1/1) ... [2021-05-02 12:46:42,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 12:46:41" (1/1) ... [2021-05-02 12:46:42,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 12:46:41" (1/1) ... [2021-05-02 12:46:42,030 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 12:46:41" (1/1) ... [2021-05-02 12:46:42,036 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-02 12:46:42,037 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-02 12:46:42,037 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-02 12:46:42,037 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-02 12:46:42,038 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 12:46:41" (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 [2021-05-02 12:46:42,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-05-02 12:46:42,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-02 12:46:42,135 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-05-02 12:46:42,135 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-05-02 12:46:42,136 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-05-02 12:46:42,136 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-05-02 12:46:42,136 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-05-02 12:46:42,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-02 12:46:42,137 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2021-05-02 12:46:42,137 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2021-05-02 12:46:42,137 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-05-02 12:46:42,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-05-02 12:46:42,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-02 12:46:42,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-05-02 12:46:42,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-02 12:46:42,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-02 12:46:42,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-05-02 12:46:42,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-02 12:46:42,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-05-02 12:46:42,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-02 12:46:43,218 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-02 12:46:43,218 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-05-02 12:46:43,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 12:46:43 BoogieIcfgContainer [2021-05-02 12:46:43,220 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-02 12:46:43,221 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-02 12:46:43,221 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-02 12:46:43,224 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-02 12:46:43,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.05 12:46:41" (1/3) ... [2021-05-02 12:46:43,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bae99cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 12:46:43, skipping insertion in model container [2021-05-02 12:46:43,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 12:46:41" (2/3) ... [2021-05-02 12:46:43,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bae99cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 12:46:43, skipping insertion in model container [2021-05-02 12:46:43,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 12:46:43" (3/3) ... [2021-05-02 12:46:43,243 INFO L111 eAbstractionObserver]: Analyzing ICFG aiob_4.c.v+lhb-reducer.c [2021-05-02 12:46:43,250 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-02 12:46:43,254 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-02 12:46:43,284 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-02 12:46:43,337 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-02 12:46:43,337 INFO L377 AbstractCegarLoop]: Hoare is true [2021-05-02 12:46:43,337 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-02 12:46:43,338 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-02 12:46:43,338 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-02 12:46:43,338 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-02 12:46:43,338 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-02 12:46:43,338 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-02 12:46:43,359 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 49 states have (on average 1.8775510204081634) internal successors, (92), 50 states have internal predecessors, (92), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-05-02 12:46:43,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-05-02 12:46:43,365 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 12:46:43,365 INFO L523 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, 1] [2021-05-02 12:46:43,366 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 12:46:43,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 12:46:43,371 INFO L82 PathProgramCache]: Analyzing trace with hash -1054632774, now seen corresponding path program 1 times [2021-05-02 12:46:43,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 12:46:43,378 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978142884] [2021-05-02 12:46:43,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 12:46:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 12:46:44,394 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2021-05-02 12:46:44,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 12:46:44,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 12:46:44,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-02 12:46:44,444 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 12:46:44,444 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978142884] [2021-05-02 12:46:44,445 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978142884] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-02 12:46:44,445 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-02 12:46:44,446 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-05-02 12:46:44,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753194886] [2021-05-02 12:46:44,452 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-05-02 12:46:44,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 12:46:44,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-05-02 12:46:44,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2021-05-02 12:46:44,475 INFO L87 Difference]: Start difference. First operand has 55 states, 49 states have (on average 1.8775510204081634) internal successors, (92), 50 states have internal predecessors, (92), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 18 states, 18 states have (on average 2.5) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-02 12:46:44,915 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-05-02 12:46:45,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 12:46:45,920 INFO L93 Difference]: Finished difference Result 92 states and 136 transitions. [2021-05-02 12:46:45,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-02 12:46:45,923 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.5) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 48 [2021-05-02 12:46:45,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 12:46:45,933 INFO L225 Difference]: With dead ends: 92 [2021-05-02 12:46:45,933 INFO L226 Difference]: Without dead ends: 57 [2021-05-02 12:46:45,936 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 787.2ms TimeCoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2021-05-02 12:46:45,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-05-02 12:46:45,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2021-05-02 12:46:45,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 50 states have (on average 1.02) internal successors, (51), 50 states have internal predecessors, (51), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-02 12:46:45,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 54 transitions. [2021-05-02 12:46:45,978 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 54 transitions. Word has length 48 [2021-05-02 12:46:45,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 12:46:45,979 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 54 transitions. [2021-05-02 12:46:45,979 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 2.5) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-02 12:46:45,979 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 54 transitions. [2021-05-02 12:46:45,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-05-02 12:46:45,981 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 12:46:45,981 INFO L523 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1] [2021-05-02 12:46:45,981 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-02 12:46:45,981 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 12:46:45,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 12:46:45,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1470519801, now seen corresponding path program 1 times [2021-05-02 12:46:45,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 12:46:45,983 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380480548] [2021-05-02 12:46:45,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 12:46:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 12:46:46,613 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2021-05-02 12:46:46,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 12:46:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 12:46:46,647 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-02 12:46:46,649 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 12:46:46,649 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380480548] [2021-05-02 12:46:46,649 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380480548] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 12:46:46,649 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [289342016] [2021-05-02 12:46:46,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 12:46:46,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 12:46:46,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 867 conjuncts, 25 conjunts are in the unsatisfiable core [2021-05-02 12:46:46,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 12:46:47,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:47,439 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-02 12:46:47,440 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [289342016] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 12:46:47,440 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-02 12:46:47,441 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 14] total 20 [2021-05-02 12:46:47,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282369468] [2021-05-02 12:46:47,444 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-05-02 12:46:47,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 12:46:47,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-05-02 12:46:47,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-05-02 12:46:47,446 INFO L87 Difference]: Start difference. First operand 54 states and 54 transitions. Second operand has 20 states, 20 states have (on average 3.5) internal successors, (70), 19 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-02 12:46:47,836 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-05-02 12:46:48,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 12:46:48,676 INFO L93 Difference]: Finished difference Result 65 states and 65 transitions. [2021-05-02 12:46:48,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-02 12:46:48,676 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.5) internal successors, (70), 19 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 53 [2021-05-02 12:46:48,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 12:46:48,678 INFO L225 Difference]: With dead ends: 65 [2021-05-02 12:46:48,678 INFO L226 Difference]: Without dead ends: 62 [2021-05-02 12:46:48,679 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 831.5ms TimeCoverageRelationStatistics Valid=84, Invalid=728, Unknown=0, NotChecked=0, Total=812 [2021-05-02 12:46:48,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-05-02 12:46:48,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 59. [2021-05-02 12:46:48,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 55 states have (on average 1.018181818181818) internal successors, (56), 55 states have internal predecessors, (56), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-02 12:46:48,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2021-05-02 12:46:48,687 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 59 transitions. Word has length 53 [2021-05-02 12:46:48,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 12:46:48,687 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 59 transitions. [2021-05-02 12:46:48,687 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.5) internal successors, (70), 19 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-02 12:46:48,688 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2021-05-02 12:46:48,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-05-02 12:46:48,702 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 12:46:48,703 INFO L523 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 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] [2021-05-02 12:46:48,921 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-05-02 12:46:48,921 INFO L428 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 12:46:48,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 12:46:48,922 INFO L82 PathProgramCache]: Analyzing trace with hash 412615706, now seen corresponding path program 2 times [2021-05-02 12:46:48,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 12:46:48,922 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786074119] [2021-05-02 12:46:48,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 12:46:48,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 12:46:49,530 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2021-05-02 12:46:49,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 12:46:49,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 12:46:49,568 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-02 12:46:49,569 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 12:46:49,569 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786074119] [2021-05-02 12:46:49,569 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786074119] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 12:46:49,569 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889642182] [2021-05-02 12:46:49,569 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 12:46:50,800 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 12:46:50,800 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 12:46:50,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 27 conjunts are in the unsatisfiable core [2021-05-02 12:46:50,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 12:46:50,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:51,005 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-02 12:46:51,006 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889642182] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 12:46:51,006 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-02 12:46:51,006 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 15] total 21 [2021-05-02 12:46:51,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266640415] [2021-05-02 12:46:51,007 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-05-02 12:46:51,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 12:46:51,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-05-02 12:46:51,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2021-05-02 12:46:51,008 INFO L87 Difference]: Start difference. First operand 59 states and 59 transitions. Second operand has 21 states, 21 states have (on average 3.5714285714285716) internal successors, (75), 20 states have internal predecessors, (75), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-02 12:46:51,312 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-05-02 12:46:52,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 12:46:52,124 INFO L93 Difference]: Finished difference Result 70 states and 70 transitions. [2021-05-02 12:46:52,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-05-02 12:46:52,125 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 3.5714285714285716) internal successors, (75), 20 states have internal predecessors, (75), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 58 [2021-05-02 12:46:52,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 12:46:52,126 INFO L225 Difference]: With dead ends: 70 [2021-05-02 12:46:52,126 INFO L226 Difference]: Without dead ends: 67 [2021-05-02 12:46:52,127 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 741.0ms TimeCoverageRelationStatistics Valid=90, Invalid=840, Unknown=0, NotChecked=0, Total=930 [2021-05-02 12:46:52,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-05-02 12:46:52,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 64. [2021-05-02 12:46:52,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 60 states have (on average 1.0166666666666666) internal successors, (61), 60 states have internal predecessors, (61), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-02 12:46:52,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 64 transitions. [2021-05-02 12:46:52,135 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 64 transitions. Word has length 58 [2021-05-02 12:46:52,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 12:46:52,136 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 64 transitions. [2021-05-02 12:46:52,136 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 3.5714285714285716) internal successors, (75), 20 states have internal predecessors, (75), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-02 12:46:52,136 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 64 transitions. [2021-05-02 12:46:52,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-05-02 12:46:52,138 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 12:46:52,138 INFO L523 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 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] [2021-05-02 12:46:52,349 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 12:46:52,349 INFO L428 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 12:46:52,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 12:46:52,350 INFO L82 PathProgramCache]: Analyzing trace with hash -1771010407, now seen corresponding path program 3 times [2021-05-02 12:46:52,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 12:46:52,351 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467052778] [2021-05-02 12:46:52,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 12:46:52,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 12:46:52,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 12:46:52,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 12:46:52,926 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-02 12:46:52,926 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 12:46:52,926 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467052778] [2021-05-02 12:46:52,926 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467052778] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 12:46:52,927 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123574917] [2021-05-02 12:46:52,927 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 12:46:55,860 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-05-02 12:46:55,861 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 12:46:55,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 119 conjunts are in the unsatisfiable core [2021-05-02 12:46:55,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 12:46:55,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:55,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:55,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:55,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:55,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:55,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:55,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:55,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:55,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:55,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:55,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:55,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:55,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:55,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:55,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:55,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:55,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:55,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:55,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:55,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:55,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:55,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:56,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,135 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2021-05-02 12:46:57,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:57,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:58,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:59,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:59,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:59,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:59,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:59,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:59,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:59,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:59,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-02 12:46:59,366 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 114 [2021-05-02 12:46:59,367 INFO L354 Elim1Store]: treesize reduction 24, result has 92.9 percent of original size [2021-05-02 12:46:59,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 46 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 154 treesize of output 348 [2021-05-02 12:46:59,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:59,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:59,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:59,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:59,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:59,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:59,491 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-02 12:46:59,685 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 104 [2021-05-02 12:46:59,686 INFO L628 ElimStorePlain]: treesize reduction 40, result has 87.1 percent of original size [2021-05-02 12:46:59,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:59,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:59,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:59,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:59,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:59,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:59,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:59,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:59,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:59,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:59,750 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-05-02 12:46:59,750 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:166, output treesize:121 [2021-05-02 12:46:59,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:59,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:59,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:59,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:59,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:59,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:59,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:59,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:59,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:59,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:59,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:59,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:59,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:46:59,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:47:00,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:47:00,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:47:00,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:47:00,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:47:00,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:47:00,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:47:00,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:47:00,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:47:00,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:47:00,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:47:00,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 12:47:00,440 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-05-02 12:47:00,440 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2123574917] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 12:47:00,440 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-02 12:47:00,440 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 26] total 45 [2021-05-02 12:47:00,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905154804] [2021-05-02 12:47:00,441 INFO L460 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-05-02 12:47:00,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 12:47:00,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-05-02 12:47:00,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=1807, Unknown=0, NotChecked=0, Total=1980 [2021-05-02 12:47:00,443 INFO L87 Difference]: Start difference. First operand 64 states and 64 transitions. Second operand has 45 states, 45 states have (on average 2.533333333333333) internal successors, (114), 44 states have internal predecessors, (114), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-05-02 12:47:00,919 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2021-05-02 12:47:03,241 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 83 [2021-05-02 12:47:03,429 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2021-05-02 12:47:03,853 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 80 [2021-05-02 12:47:04,022 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2021-05-02 12:47:04,446 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 78 [2021-05-02 12:47:04,663 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2021-05-02 12:47:05,129 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 77 [2021-05-02 12:47:05,775 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 111 [2021-05-02 12:47:05,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 12:47:05,881 INFO L93 Difference]: Finished difference Result 72 states and 73 transitions. [2021-05-02 12:47:05,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-05-02 12:47:05,882 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 45 states have (on average 2.533333333333333) internal successors, (114), 44 states have internal predecessors, (114), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 63 [2021-05-02 12:47:05,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 12:47:05,883 INFO L225 Difference]: With dead ends: 72 [2021-05-02 12:47:05,883 INFO L226 Difference]: Without dead ends: 0 [2021-05-02 12:47:05,886 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 37 SyntacticMatches, 4 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1317 ImplicationChecksByTransitivity, 6879.2ms TimeCoverageRelationStatistics Valid=625, Invalid=5227, Unknown=0, NotChecked=0, Total=5852 [2021-05-02 12:47:05,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-05-02 12:47:05,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-05-02 12:47:05,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-02 12:47:05,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-05-02 12:47:05,887 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2021-05-02 12:47:05,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 12:47:05,887 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-05-02 12:47:05,888 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 45 states, 45 states have (on average 2.533333333333333) internal successors, (114), 44 states have internal predecessors, (114), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-05-02 12:47:05,888 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-05-02 12:47:05,888 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-02 12:47:06,117 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 12:47:06,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-05-02 12:47:06,350 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 42 [2021-05-02 12:47:06,454 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2021-05-02 12:47:06,675 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 90 [2021-05-02 12:47:06,678 INFO L198 CegarLoopUtils]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2021-05-02 12:47:06,678 INFO L198 CegarLoopUtils]: For program point reach_errorENTRY(line 4) no Hoare annotation was computed. [2021-05-02 12:47:06,678 INFO L198 CegarLoopUtils]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2021-05-02 12:47:06,679 INFO L198 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-05-02 12:47:06,679 INFO L194 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= ~__tmp_1075_0~0 |old(~__tmp_1075_0~0)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |old(#valid)| |#valid|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= ~Id_MCDC_93~0 |old(~Id_MCDC_93~0)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= ~__tmp_1075_2~0.base |old(~__tmp_1075_2~0.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~__tmp_1075_2~0.offset |old(~__tmp_1075_2~0.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~__return_main~0 |old(~__return_main~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~__tmp_1075_1~0 |old(~__tmp_1075_1~0)|)) [2021-05-02 12:47:06,679 INFO L198 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-05-02 12:47:06,679 INFO L198 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-05-02 12:47:06,679 INFO L194 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (exists ((|#t~string4.offset| Int) (|#t~string4.base| Int)) (= 48 (select (select |#memory_int| |#t~string4.base|) |#t~string4.offset|))) (< 0 (+ (div ~Id_MCDC_93~0 4294967296) 1)) (<= ~Id_MCDC_93~0 9)) [2021-05-02 12:47:06,679 INFO L201 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-05-02 12:47:06,679 INFO L198 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-05-02 12:47:06,679 INFO L198 CegarLoopUtils]: For program point L225(lines 225 604) no Hoare annotation was computed. [2021-05-02 12:47:06,679 INFO L198 CegarLoopUtils]: For program point L192(lines 192 622) no Hoare annotation was computed. [2021-05-02 12:47:06,680 INFO L194 CegarLoopUtils]: At program point L448(lines 408 481) the Hoare annotation is: (or (let ((.cse1 (mod (+ main_~Id_MCDC_89__Id_MCDC_96~0 4294967295) 4294967296))) (let ((.cse3 (* .cse1 12)) (.cse0 (mod (+ ~Id_MCDC_93~0 4294967295) 4294967296)) (.cse2 (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|))) (and (< .cse0 42) (< .cse1 42) (= |main_~#main__Id_MCDC_119~0.offset| 0) (= 24660 (select .cse2 (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 36))) (not (= 492 .cse3)) (= ~__tmp_1075_2~0.offset .cse3) (not (= 492 (* .cse0 12))) (= (select .cse2 (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 100)) 1) (<= (select .cse2 |main_~#Id_MCDC_89__Id_MCDC_95~0.offset|) 24642) (= (select .cse2 (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 84)) 24652) (<= 24661 (select .cse2 (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 48))) (<= 24659 (select .cse2 (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 24))) (<= (select .cse2 (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 12)) 24643) (= (select .cse2 (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 72)) 24652) (= 24653 (select .cse2 (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 120))) (= (select .cse2 (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0) (= |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 0)))) (not (<= |old(~Id_MCDC_93~0)| 9)) (not (< 0 (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1))) (forall ((|#t~string4.offset| Int) (|#t~string4.base| Int)) (not (= 48 (select (select |#memory_int| |#t~string4.base|) |#t~string4.offset|))))) [2021-05-02 12:47:06,680 INFO L198 CegarLoopUtils]: For program point mainEXIT(lines 136 636) no Hoare annotation was computed. [2021-05-02 12:47:06,680 INFO L198 CegarLoopUtils]: For program point L184(lines 184 628) no Hoare annotation was computed. [2021-05-02 12:47:06,680 INFO L198 CegarLoopUtils]: For program point L440(lines 440 453) no Hoare annotation was computed. [2021-05-02 12:47:06,680 INFO L198 CegarLoopUtils]: For program point L407(lines 407 485) no Hoare annotation was computed. [2021-05-02 12:47:06,680 INFO L198 CegarLoopUtils]: For program point L374(lines 374 503) no Hoare annotation was computed. [2021-05-02 12:47:06,680 INFO L198 CegarLoopUtils]: For program point L465(lines 465 473) no Hoare annotation was computed. [2021-05-02 12:47:06,680 INFO L198 CegarLoopUtils]: For program point L366(lines 366 509) no Hoare annotation was computed. [2021-05-02 12:47:06,680 INFO L198 CegarLoopUtils]: For program point L234(lines 234 599) no Hoare annotation was computed. [2021-05-02 12:47:06,680 INFO L198 CegarLoopUtils]: For program point L251(lines 251 587) no Hoare annotation was computed. [2021-05-02 12:47:06,680 INFO L198 CegarLoopUtils]: For program point L218(lines 218 605) no Hoare annotation was computed. [2021-05-02 12:47:06,680 INFO L198 CegarLoopUtils]: For program point L210(lines 210 611) no Hoare annotation was computed. [2021-05-02 12:47:06,681 INFO L198 CegarLoopUtils]: For program point L433(lines 433 454) no Hoare annotation was computed. [2021-05-02 12:47:06,681 INFO L198 CegarLoopUtils]: For program point L400(lines 400 486) no Hoare annotation was computed. [2021-05-02 12:47:06,681 INFO L198 CegarLoopUtils]: For program point L425(lines 425 475) no Hoare annotation was computed. [2021-05-02 12:47:06,681 INFO L198 CegarLoopUtils]: For program point L392(lines 392 492) no Hoare annotation was computed. [2021-05-02 12:47:06,681 INFO L198 CegarLoopUtils]: For program point L260(lines 260 582) no Hoare annotation was computed. [2021-05-02 12:47:06,681 INFO L198 CegarLoopUtils]: For program point L277(lines 277 570) no Hoare annotation was computed. [2021-05-02 12:47:06,681 INFO L198 CegarLoopUtils]: For program point L244(lines 244 588) no Hoare annotation was computed. [2021-05-02 12:47:06,681 INFO L198 CegarLoopUtils]: For program point L467(line 467) no Hoare annotation was computed. [2021-05-02 12:47:06,681 INFO L198 CegarLoopUtils]: For program point mainFINAL(lines 136 636) no Hoare annotation was computed. [2021-05-02 12:47:06,681 INFO L198 CegarLoopUtils]: For program point L236(lines 236 594) no Hoare annotation was computed. [2021-05-02 12:47:06,681 INFO L198 CegarLoopUtils]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 467) no Hoare annotation was computed. [2021-05-02 12:47:06,681 INFO L198 CegarLoopUtils]: For program point L286(lines 286 565) no Hoare annotation was computed. [2021-05-02 12:47:06,682 INFO L194 CegarLoopUtils]: At program point mainENTRY(lines 136 636) the Hoare annotation is: (or (and (= ~__tmp_1075_2~0.offset |old(~__tmp_1075_2~0.offset)|) (= ~Id_MCDC_93~0 |old(~Id_MCDC_93~0)|) (= ~__tmp_1075_0~0 |old(~__tmp_1075_0~0)|) (= |old(#length)| |#length|) (= |old(~__tmp_1075_2~0.base)| ~__tmp_1075_2~0.base) (= |old(#valid)| |#valid|) (= ~__tmp_1075_1~0 |old(~__tmp_1075_1~0)|)) (not (<= |old(~Id_MCDC_93~0)| 9)) (forall ((.unlet.0 Int) (.unlet.1 Int)) (not (= (select (select |#memory_int| .unlet.1) .unlet.0) 48))) (not (< 0 (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1)))) [2021-05-02 12:47:06,682 INFO L198 CegarLoopUtils]: For program point L303(lines 303 553) no Hoare annotation was computed. [2021-05-02 12:47:06,682 INFO L198 CegarLoopUtils]: For program point L270(lines 270 571) no Hoare annotation was computed. [2021-05-02 12:47:06,682 INFO L198 CegarLoopUtils]: For program point L262(lines 262 577) no Hoare annotation was computed. [2021-05-02 12:47:06,682 INFO L198 CegarLoopUtils]: For program point L312(lines 312 548) no Hoare annotation was computed. [2021-05-02 12:47:06,682 INFO L198 CegarLoopUtils]: For program point L329(lines 329 536) no Hoare annotation was computed. [2021-05-02 12:47:06,682 INFO L198 CegarLoopUtils]: For program point L296(lines 296 554) no Hoare annotation was computed. [2021-05-02 12:47:06,682 INFO L198 CegarLoopUtils]: For program point L164(lines 164 635) no Hoare annotation was computed. [2021-05-02 12:47:06,682 INFO L198 CegarLoopUtils]: For program point L288(lines 288 560) no Hoare annotation was computed. [2021-05-02 12:47:06,682 INFO L198 CegarLoopUtils]: For program point L338(lines 338 531) no Hoare annotation was computed. [2021-05-02 12:47:06,682 INFO L198 CegarLoopUtils]: For program point L355(lines 355 519) no Hoare annotation was computed. [2021-05-02 12:47:06,682 INFO L198 CegarLoopUtils]: For program point L322(lines 322 537) no Hoare annotation was computed. [2021-05-02 12:47:06,683 INFO L198 CegarLoopUtils]: For program point L314(lines 314 543) no Hoare annotation was computed. [2021-05-02 12:47:06,683 INFO L198 CegarLoopUtils]: For program point L182(lines 182 633) no Hoare annotation was computed. [2021-05-02 12:47:06,683 INFO L198 CegarLoopUtils]: For program point L364(lines 364 514) no Hoare annotation was computed. [2021-05-02 12:47:06,683 INFO L198 CegarLoopUtils]: For program point L199(lines 199 621) no Hoare annotation was computed. [2021-05-02 12:47:06,683 INFO L198 CegarLoopUtils]: For program point L381(lines 381 502) no Hoare annotation was computed. [2021-05-02 12:47:06,683 INFO L198 CegarLoopUtils]: For program point L348(lines 348 520) no Hoare annotation was computed. [2021-05-02 12:47:06,683 INFO L198 CegarLoopUtils]: For program point L340(lines 340 526) no Hoare annotation was computed. [2021-05-02 12:47:06,683 INFO L198 CegarLoopUtils]: For program point L208(lines 208 616) no Hoare annotation was computed. [2021-05-02 12:47:06,683 INFO L198 CegarLoopUtils]: For program point L423(lines 423 480) no Hoare annotation was computed. [2021-05-02 12:47:06,683 INFO L198 CegarLoopUtils]: For program point L390(lines 390 497) no Hoare annotation was computed. [2021-05-02 12:47:06,694 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] [2021-05-02 12:47:06,696 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.offset,QUANTIFIED] [2021-05-02 12:47:06,712 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] [2021-05-02 12:47:06,712 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.offset,QUANTIFIED] [2021-05-02 12:47:06,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.05 12:47:06 BoogieIcfgContainer [2021-05-02 12:47:06,717 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-02 12:47:06,718 INFO L168 Benchmark]: Toolchain (without parser) took 25373.65 ms. Allocated memory was 176.2 MB in the beginning and 351.3 MB in the end (delta: 175.1 MB). Free memory was 140.1 MB in the beginning and 134.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 181.3 MB. Max. memory is 8.0 GB. [2021-05-02 12:47:06,718 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 176.2 MB. Free memory is still 157.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-05-02 12:47:06,718 INFO L168 Benchmark]: CACSL2BoogieTranslator took 550.13 ms. Allocated memory is still 176.2 MB. Free memory was 139.7 MB in the beginning and 153.4 MB in the end (delta: -13.6 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. [2021-05-02 12:47:06,718 INFO L168 Benchmark]: Boogie Preprocessor took 139.76 ms. Allocated memory is still 176.2 MB. Free memory was 153.4 MB in the beginning and 148.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2021-05-02 12:47:06,718 INFO L168 Benchmark]: RCFGBuilder took 1182.99 ms. Allocated memory is still 176.2 MB. Free memory was 148.1 MB in the beginning and 143.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 92.8 MB. Max. memory is 8.0 GB. [2021-05-02 12:47:06,719 INFO L168 Benchmark]: TraceAbstraction took 23495.40 ms. Allocated memory was 176.2 MB in the beginning and 351.3 MB in the end (delta: 175.1 MB). Free memory was 143.4 MB in the beginning and 134.4 MB in the end (delta: 9.0 MB). Peak memory consumption was 184.1 MB. Max. memory is 8.0 GB. [2021-05-02 12:47:06,719 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 176.2 MB. Free memory is still 157.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 550.13 ms. Allocated memory is still 176.2 MB. Free memory was 139.7 MB in the beginning and 153.4 MB in the end (delta: -13.6 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 139.76 ms. Allocated memory is still 176.2 MB. Free memory was 153.4 MB in the beginning and 148.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1182.99 ms. Allocated memory is still 176.2 MB. Free memory was 148.1 MB in the beginning and 143.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 92.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 23495.40 ms. Allocated memory was 176.2 MB in the beginning and 351.3 MB in the end (delta: 175.1 MB). Free memory was 143.4 MB in the beginning and 134.4 MB in the end (delta: 9.0 MB). Peak memory consumption was 184.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.offset,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 467]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22782.9ms, OverallIterations: 4, TraceHistogramMax: 4, EmptinessCheckTime: 27.4ms, AutomataDifference: 9279.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 560.1ms, InitialAbstractionConstructionTime: 16.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 121 SDtfs, 385 SDslu, 1695 SDs, 0 SdLazy, 3255 SolverSat, 168 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3354.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 311 GetRequests, 151 SyntacticMatches, 6 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1511 ImplicationChecksByTransitivity, 9239.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred in iteration=3, InterpolantAutomatonStates: 87, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 41.5ms AutomataMinimizationTime, 4 MinimizatonAttempts, 9 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 345 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 51.3ms HoareSimplificationTime, 5 FomulaSimplificationsInter, 872 FormulaSimplificationTreeSizeReductionInter, 498.1ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 197.7ms SsaConstructionTime, 4568.7ms SatisfiabilityAnalysisTime, 7631.3ms InterpolantComputationTime, 396 NumberOfCodeBlocks, 391 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 389 ConstructedInterpolants, 55 QuantifiedInterpolants, 7989 SizeOfPredicates, 42 NumberOfNonLiveVariables, 2677 ConjunctsInSsa, 171 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 11/76 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 408]: Loop Invariant [2021-05-02 12:47:06,723 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] [2021-05-02 12:47:06,723 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.offset,QUANTIFIED] [2021-05-02 12:47:06,728 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] [2021-05-02 12:47:06,728 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.offset,QUANTIFIED] Derived loop invariant: (((((((((((((((((((Id_MCDC_93 + 4294967295) % 4294967296 < 42 && (Id_MCDC_89__Id_MCDC_96 + 4294967295) % 4294967296 < 42) && main__Id_MCDC_119 == 0) && 24660 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 36]) && !(492 == (Id_MCDC_89__Id_MCDC_96 + 4294967295) % 4294967296 * 12)) && __tmp_1075_2 == (Id_MCDC_89__Id_MCDC_96 + 4294967295) % 4294967296 * 12) && !(492 == (Id_MCDC_93 + 4294967295) % 4294967296 * 12)) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 100] == 1) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95] <= 24642) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 84] == 24652) && 24661 <= unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 48]) && 24659 <= unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 24]) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 12] <= 24643) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 72] == 24652) && 24653 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 120]) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0) && Id_MCDC_89__Id_MCDC_95 == 0) || !(\old(Id_MCDC_93) <= 9)) || !(0 < \old(Id_MCDC_93) / 4294967296 + 1)) || (forall #t~string4.offset : int, #t~string4.base : int :: !(48 == unknown-#memory_int-unknown[#t~string4.base][#t~string4.offset])) RESULT: Ultimate proved your program to be correct! Received shutdown request...