/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label24.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 18:38:28,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 18:38:28,673 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 18:38:28,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-23 18:38:28,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 18:38:28,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 18:38:28,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 18:38:28,810 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-23 18:38:28,869 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 18:38:28,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 18:38:28,873 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 18:38:28,873 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 18:38:28,874 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 18:38:28,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 18:38:28,877 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 18:38:28,877 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 18:38:28,877 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 18:38:28,877 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 18:38:28,879 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 18:38:28,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 18:38:28,880 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 18:38:28,880 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 18:38:28,880 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 18:38:28,880 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 18:38:28,881 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 18:38:28,881 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 18:38:28,881 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 18:38:28,881 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 18:38:28,882 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 18:38:28,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:38:28,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 18:38:28,882 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 18:38:28,882 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 18:38:28,883 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 18:38:28,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 18:38:28,883 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 18:38:28,883 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 18:38:28,884 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 18:38:29,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 18:38:29,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 18:38:29,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 18:38:29,539 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 18:38:29,540 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 18:38:29,542 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label24.c [2020-10-23 18:38:29,659 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28b110929/7d5c48470f0b4190929a1f50083bdb03/FLAGbcc01f782 [2020-10-23 18:38:30,719 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 18:38:30,720 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label24.c [2020-10-23 18:38:30,739 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28b110929/7d5c48470f0b4190929a1f50083bdb03/FLAGbcc01f782 [2020-10-23 18:38:30,858 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28b110929/7d5c48470f0b4190929a1f50083bdb03 [2020-10-23 18:38:30,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 18:38:30,872 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 18:38:30,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 18:38:30,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 18:38:30,886 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 18:38:30,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:38:30" (1/1) ... [2020-10-23 18:38:30,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e7185a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:30, skipping insertion in model container [2020-10-23 18:38:30,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:38:30" (1/1) ... [2020-10-23 18:38:30,907 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 18:38:31,002 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 18:38:31,608 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:38:31,626 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 18:38:31,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:38:31,900 INFO L208 MainTranslator]: Completed translation [2020-10-23 18:38:31,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:31 WrapperNode [2020-10-23 18:38:31,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 18:38:31,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 18:38:31,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 18:38:31,904 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 18:38:31,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:31" (1/1) ... [2020-10-23 18:38:31,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:31" (1/1) ... [2020-10-23 18:38:31,957 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:31" (1/1) ... [2020-10-23 18:38:31,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:31" (1/1) ... [2020-10-23 18:38:32,042 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:31" (1/1) ... [2020-10-23 18:38:32,057 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:31" (1/1) ... [2020-10-23 18:38:32,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:31" (1/1) ... [2020-10-23 18:38:32,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 18:38:32,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 18:38:32,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 18:38:32,080 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 18:38:32,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:38:32,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 18:38:32,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 18:38:32,187 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 18:38:32,187 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-23 18:38:32,187 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 18:38:32,188 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-23 18:38:32,188 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 18:38:32,188 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 18:38:32,188 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 18:38:32,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 18:38:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 18:38:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-23 18:38:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 18:38:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 18:38:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 18:38:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 18:38:32,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 18:38:32,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 18:38:32,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 18:38:34,243 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 18:38:34,243 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-23 18:38:34,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:38:34 BoogieIcfgContainer [2020-10-23 18:38:34,247 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 18:38:34,249 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 18:38:34,250 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 18:38:34,254 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 18:38:34,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:38:30" (1/3) ... [2020-10-23 18:38:34,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d889a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:38:34, skipping insertion in model container [2020-10-23 18:38:34,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:31" (2/3) ... [2020-10-23 18:38:34,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d889a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:38:34, skipping insertion in model container [2020-10-23 18:38:34,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:38:34" (3/3) ... [2020-10-23 18:38:34,260 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label24.c [2020-10-23 18:38:34,275 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 18:38:34,282 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 18:38:34,303 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 18:38:34,344 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 18:38:34,345 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 18:38:34,345 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 18:38:34,345 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 18:38:34,345 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 18:38:34,345 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 18:38:34,346 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 18:38:34,346 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 18:38:34,378 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states. [2020-10-23 18:38:34,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-23 18:38:34,389 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:38:34,391 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:38:34,392 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:38:34,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:38:34,400 INFO L82 PathProgramCache]: Analyzing trace with hash -684547144, now seen corresponding path program 1 times [2020-10-23 18:38:34,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:38:34,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363024491] [2020-10-23 18:38:34,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:38:34,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:34,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:38:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:35,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:38:35,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363024491] [2020-10-23 18:38:35,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:38:35,030 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 18:38:35,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456027350] [2020-10-23 18:38:35,040 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-23 18:38:35,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:38:35,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-23 18:38:35,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-23 18:38:35,074 INFO L87 Difference]: Start difference. First operand 258 states. Second operand 5 states. [2020-10-23 18:38:40,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:40,089 INFO L93 Difference]: Finished difference Result 891 states and 1619 transitions. [2020-10-23 18:38:40,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-23 18:38:40,092 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2020-10-23 18:38:40,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:40,120 INFO L225 Difference]: With dead ends: 891 [2020-10-23 18:38:40,121 INFO L226 Difference]: Without dead ends: 565 [2020-10-23 18:38:40,134 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:38:40,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2020-10-23 18:38:40,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 559. [2020-10-23 18:38:40,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 559 states. [2020-10-23 18:38:40,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 907 transitions. [2020-10-23 18:38:40,257 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 907 transitions. Word has length 48 [2020-10-23 18:38:40,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:40,258 INFO L481 AbstractCegarLoop]: Abstraction has 559 states and 907 transitions. [2020-10-23 18:38:40,258 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-23 18:38:40,258 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 907 transitions. [2020-10-23 18:38:40,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-23 18:38:40,265 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:38:40,265 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-23 18:38:40,266 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 18:38:40,266 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:38:40,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:38:40,268 INFO L82 PathProgramCache]: Analyzing trace with hash -991205480, now seen corresponding path program 1 times [2020-10-23 18:38:40,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:38:40,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043693595] [2020-10-23 18:38:40,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:38:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:40,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:38:40,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:40,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:38:40,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:40,798 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:38:40,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043693595] [2020-10-23 18:38:40,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:38:40,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 18:38:40,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820119537] [2020-10-23 18:38:40,802 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 18:38:40,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:38:40,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 18:38:40,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:38:40,804 INFO L87 Difference]: Start difference. First operand 559 states and 907 transitions. Second operand 8 states. [2020-10-23 18:38:43,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:43,409 INFO L93 Difference]: Finished difference Result 1322 states and 2176 transitions. [2020-10-23 18:38:43,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-23 18:38:43,410 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 122 [2020-10-23 18:38:43,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:43,417 INFO L225 Difference]: With dead ends: 1322 [2020-10-23 18:38:43,417 INFO L226 Difference]: Without dead ends: 769 [2020-10-23 18:38:43,420 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-23 18:38:43,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2020-10-23 18:38:43,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 567. [2020-10-23 18:38:43,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 567 states. [2020-10-23 18:38:43,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 820 transitions. [2020-10-23 18:38:43,480 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 820 transitions. Word has length 122 [2020-10-23 18:38:43,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:43,481 INFO L481 AbstractCegarLoop]: Abstraction has 567 states and 820 transitions. [2020-10-23 18:38:43,481 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 18:38:43,481 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 820 transitions. [2020-10-23 18:38:43,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-23 18:38:43,485 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:38:43,485 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:38:43,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 18:38:43,486 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:38:43,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:38:43,486 INFO L82 PathProgramCache]: Analyzing trace with hash -2002086392, now seen corresponding path program 1 times [2020-10-23 18:38:43,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:38:43,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658044916] [2020-10-23 18:38:43,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:38:43,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:43,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:38:43,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:43,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:38:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:43,727 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 39 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:38:43,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658044916] [2020-10-23 18:38:43,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [933567543] [2020-10-23 18:38:43,728 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 [2020-10-23 18:38:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:43,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:38:43,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:38:43,979 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:38:43,980 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:38:43,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-10-23 18:38:43,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491364829] [2020-10-23 18:38:43,981 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:38:43,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:38:43,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:38:43,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-23 18:38:43,983 INFO L87 Difference]: Start difference. First operand 567 states and 820 transitions. Second operand 3 states. [2020-10-23 18:38:45,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:45,396 INFO L93 Difference]: Finished difference Result 1678 states and 2461 transitions. [2020-10-23 18:38:45,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:38:45,397 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2020-10-23 18:38:45,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:45,409 INFO L225 Difference]: With dead ends: 1678 [2020-10-23 18:38:45,409 INFO L226 Difference]: Without dead ends: 1117 [2020-10-23 18:38:45,412 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 134 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-23 18:38:45,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2020-10-23 18:38:45,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 933. [2020-10-23 18:38:45,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 933 states. [2020-10-23 18:38:45,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1276 transitions. [2020-10-23 18:38:45,479 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1276 transitions. Word has length 131 [2020-10-23 18:38:45,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:45,482 INFO L481 AbstractCegarLoop]: Abstraction has 933 states and 1276 transitions. [2020-10-23 18:38:45,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:38:45,482 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1276 transitions. [2020-10-23 18:38:45,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-10-23 18:38:45,497 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:38:45,497 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2020-10-23 18:38:45,711 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-10-23 18:38:45,712 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:38:45,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:38:45,713 INFO L82 PathProgramCache]: Analyzing trace with hash -427586132, now seen corresponding path program 1 times [2020-10-23 18:38:45,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:38:45,714 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904175497] [2020-10-23 18:38:45,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:38:45,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:46,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:38:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:46,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:38:46,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:46,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-23 18:38:46,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:46,810 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 109 proven. 44 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-23 18:38:46,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904175497] [2020-10-23 18:38:46,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1474118379] [2020-10-23 18:38:46,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-10-23 18:38:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:46,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-23 18:38:46,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:38:47,129 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-10-23 18:38:47,129 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 18:38:47,132 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 18:38:47,316 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-23 18:38:47,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:38:47,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2020-10-23 18:38:47,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280217631] [2020-10-23 18:38:47,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-23 18:38:47,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:38:47,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-23 18:38:47,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-23 18:38:47,323 INFO L87 Difference]: Start difference. First operand 933 states and 1276 transitions. Second operand 5 states. [2020-10-23 18:38:49,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:49,206 INFO L93 Difference]: Finished difference Result 2270 states and 3091 transitions. [2020-10-23 18:38:49,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-23 18:38:49,209 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 234 [2020-10-23 18:38:49,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:49,218 INFO L225 Difference]: With dead ends: 2270 [2020-10-23 18:38:49,219 INFO L226 Difference]: Without dead ends: 1343 [2020-10-23 18:38:49,222 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2020-10-23 18:38:49,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1343 states. [2020-10-23 18:38:49,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1343 to 1319. [2020-10-23 18:38:49,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1319 states. [2020-10-23 18:38:49,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 1319 states and 1693 transitions. [2020-10-23 18:38:49,288 INFO L78 Accepts]: Start accepts. Automaton has 1319 states and 1693 transitions. Word has length 234 [2020-10-23 18:38:49,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:49,290 INFO L481 AbstractCegarLoop]: Abstraction has 1319 states and 1693 transitions. [2020-10-23 18:38:49,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-23 18:38:49,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 1693 transitions. [2020-10-23 18:38:49,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2020-10-23 18:38:49,299 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:38:49,300 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-23 18:38:49,513 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:38:49,514 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:38:49,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:38:49,515 INFO L82 PathProgramCache]: Analyzing trace with hash 183229176, now seen corresponding path program 1 times [2020-10-23 18:38:49,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:38:49,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178178157] [2020-10-23 18:38:49,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:38:49,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:49,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:38:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:49,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:38:49,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:49,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 18:38:49,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:49,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-23 18:38:50,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:50,378 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 154 proven. 191 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-23 18:38:50,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178178157] [2020-10-23 18:38:50,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649381951] [2020-10-23 18:38:50,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-10-23 18:38:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:50,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 15 conjunts are in the unsatisfiable core [2020-10-23 18:38:50,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:38:50,723 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 4, 4, 1] term [2020-10-23 18:38:50,724 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 18:38:50,730 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 18:38:50,733 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-23 18:38:51,052 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 309 proven. 2 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-23 18:38:51,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:38:51,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2020-10-23 18:38:51,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979375900] [2020-10-23 18:38:51,054 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-23 18:38:51,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:38:51,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-23 18:38:51,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2020-10-23 18:38:51,056 INFO L87 Difference]: Start difference. First operand 1319 states and 1693 transitions. Second operand 15 states. [2020-10-23 18:38:51,237 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2020-10-23 18:38:51,647 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2020-10-23 18:38:52,231 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2020-10-23 18:38:53,235 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2020-10-23 18:38:56,221 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 75 [2020-10-23 18:38:56,716 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-10-23 18:38:57,124 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 65 [2020-10-23 18:38:58,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:58,375 INFO L93 Difference]: Finished difference Result 3330 states and 4336 transitions. [2020-10-23 18:38:58,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-23 18:38:58,376 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 318 [2020-10-23 18:38:58,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:58,389 INFO L225 Difference]: With dead ends: 3330 [2020-10-23 18:38:58,389 INFO L226 Difference]: Without dead ends: 1970 [2020-10-23 18:38:58,394 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 379 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=334, Invalid=1226, Unknown=0, NotChecked=0, Total=1560 [2020-10-23 18:38:58,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1970 states. [2020-10-23 18:38:58,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1970 to 1877. [2020-10-23 18:38:58,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1877 states. [2020-10-23 18:38:58,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 1877 states and 2152 transitions. [2020-10-23 18:38:58,481 INFO L78 Accepts]: Start accepts. Automaton has 1877 states and 2152 transitions. Word has length 318 [2020-10-23 18:38:58,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:58,481 INFO L481 AbstractCegarLoop]: Abstraction has 1877 states and 2152 transitions. [2020-10-23 18:38:58,481 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-23 18:38:58,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 2152 transitions. [2020-10-23 18:38:58,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2020-10-23 18:38:58,488 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:38:58,489 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:38:58,702 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:38:58,703 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:38:58,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:38:58,704 INFO L82 PathProgramCache]: Analyzing trace with hash -1456012600, now seen corresponding path program 1 times [2020-10-23 18:38:58,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:38:58,705 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811857457] [2020-10-23 18:38:58,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:38:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:58,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:38:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:59,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:38:59,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:59,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-23 18:38:59,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:59,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-23 18:38:59,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:59,458 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 151 proven. 223 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-23 18:38:59,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811857457] [2020-10-23 18:38:59,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1123148527] [2020-10-23 18:38:59,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:38:59,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:59,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-23 18:38:59,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:38:59,663 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 1] term [2020-10-23 18:38:59,663 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-23 18:38:59,791 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 221 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2020-10-23 18:38:59,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:38:59,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2020-10-23 18:38:59,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390362313] [2020-10-23 18:38:59,793 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-23 18:38:59,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:38:59,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-23 18:38:59,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2020-10-23 18:38:59,795 INFO L87 Difference]: Start difference. First operand 1877 states and 2152 transitions. Second operand 5 states. [2020-10-23 18:39:01,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:39:01,435 INFO L93 Difference]: Finished difference Result 4520 states and 5325 transitions. [2020-10-23 18:39:01,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-23 18:39:01,436 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 343 [2020-10-23 18:39:01,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:39:01,451 INFO L225 Difference]: With dead ends: 4520 [2020-10-23 18:39:01,451 INFO L226 Difference]: Without dead ends: 2649 [2020-10-23 18:39:01,457 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2020-10-23 18:39:01,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2649 states. [2020-10-23 18:39:01,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2649 to 2647. [2020-10-23 18:39:01,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2647 states. [2020-10-23 18:39:01,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2647 states to 2647 states and 3095 transitions. [2020-10-23 18:39:01,540 INFO L78 Accepts]: Start accepts. Automaton has 2647 states and 3095 transitions. Word has length 343 [2020-10-23 18:39:01,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:39:01,540 INFO L481 AbstractCegarLoop]: Abstraction has 2647 states and 3095 transitions. [2020-10-23 18:39:01,540 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-23 18:39:01,540 INFO L276 IsEmpty]: Start isEmpty. Operand 2647 states and 3095 transitions. [2020-10-23 18:39:01,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2020-10-23 18:39:01,550 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:39:01,551 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:39:01,763 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:39:01,764 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:39:01,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:39:01,765 INFO L82 PathProgramCache]: Analyzing trace with hash -2124128464, now seen corresponding path program 1 times [2020-10-23 18:39:01,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:39:01,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830788158] [2020-10-23 18:39:01,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:39:01,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:01,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:39:01,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:02,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:39:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:02,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-23 18:39:02,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:02,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-23 18:39:02,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:02,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2020-10-23 18:39:02,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:02,908 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 266 proven. 280 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2020-10-23 18:39:02,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830788158] [2020-10-23 18:39:02,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [787100054] [2020-10-23 18:39:02,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:39:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:03,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-23 18:39:03,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:39:03,363 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 561 proven. 2 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2020-10-23 18:39:03,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:39:03,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 13 [2020-10-23 18:39:03,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145540936] [2020-10-23 18:39:03,365 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-23 18:39:03,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:39:03,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-23 18:39:03,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-23 18:39:03,367 INFO L87 Difference]: Start difference. First operand 2647 states and 3095 transitions. Second operand 13 states. [2020-10-23 18:39:05,345 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2020-10-23 18:39:05,813 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2020-10-23 18:39:07,052 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2020-10-23 18:39:08,451 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2020-10-23 18:39:09,511 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2020-10-23 18:39:11,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:39:11,182 INFO L93 Difference]: Finished difference Result 6244 states and 7497 transitions. [2020-10-23 18:39:11,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-23 18:39:11,184 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 453 [2020-10-23 18:39:11,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:39:11,204 INFO L225 Difference]: With dead ends: 6244 [2020-10-23 18:39:11,205 INFO L226 Difference]: Without dead ends: 3785 [2020-10-23 18:39:11,212 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 533 GetRequests, 487 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 566 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=483, Invalid=1773, Unknown=0, NotChecked=0, Total=2256 [2020-10-23 18:39:11,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3785 states. [2020-10-23 18:39:11,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3785 to 3579. [2020-10-23 18:39:11,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3579 states. [2020-10-23 18:39:11,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3579 states to 3579 states and 4167 transitions. [2020-10-23 18:39:11,320 INFO L78 Accepts]: Start accepts. Automaton has 3579 states and 4167 transitions. Word has length 453 [2020-10-23 18:39:11,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:39:11,320 INFO L481 AbstractCegarLoop]: Abstraction has 3579 states and 4167 transitions. [2020-10-23 18:39:11,321 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-23 18:39:11,321 INFO L276 IsEmpty]: Start isEmpty. Operand 3579 states and 4167 transitions. [2020-10-23 18:39:11,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 538 [2020-10-23 18:39:11,335 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:39:11,336 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:39:11,549 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-10-23 18:39:11,550 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:39:11,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:39:11,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1360700028, now seen corresponding path program 1 times [2020-10-23 18:39:11,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:39:11,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694495628] [2020-10-23 18:39:11,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:39:11,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:11,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:39:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:11,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:39:11,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:11,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-23 18:39:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:11,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-23 18:39:11,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:11,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2020-10-23 18:39:11,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:12,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2020-10-23 18:39:12,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:12,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 512 proven. 81 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2020-10-23 18:39:12,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694495628] [2020-10-23 18:39:12,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133094909] [2020-10-23 18:39:12,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:39:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:12,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 900 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-23 18:39:12,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:39:12,776 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 4, 4, 1] term [2020-10-23 18:39:12,777 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 18:39:12,779 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 18:39:12,780 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-23 18:39:13,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 762 proven. 2 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-10-23 18:39:13,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:39:13,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2020-10-23 18:39:13,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143584977] [2020-10-23 18:39:13,240 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-23 18:39:13,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:39:13,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-23 18:39:13,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-23 18:39:13,241 INFO L87 Difference]: Start difference. First operand 3579 states and 4167 transitions. Second operand 11 states. [2020-10-23 18:39:13,704 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 74 [2020-10-23 18:39:14,985 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-10-23 18:39:16,969 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2020-10-23 18:39:17,398 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 65 [2020-10-23 18:39:18,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:39:18,202 INFO L93 Difference]: Finished difference Result 7624 states and 8960 transitions. [2020-10-23 18:39:18,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-23 18:39:18,203 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 537 [2020-10-23 18:39:18,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:39:18,223 INFO L225 Difference]: With dead ends: 7624 [2020-10-23 18:39:18,224 INFO L226 Difference]: Without dead ends: 4194 [2020-10-23 18:39:18,234 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 590 GetRequests, 562 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=199, Invalid=613, Unknown=0, NotChecked=0, Total=812 [2020-10-23 18:39:18,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4194 states. [2020-10-23 18:39:18,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4194 to 3945. [2020-10-23 18:39:18,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3945 states. [2020-10-23 18:39:18,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3945 states to 3945 states and 4392 transitions. [2020-10-23 18:39:18,344 INFO L78 Accepts]: Start accepts. Automaton has 3945 states and 4392 transitions. Word has length 537 [2020-10-23 18:39:18,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:39:18,344 INFO L481 AbstractCegarLoop]: Abstraction has 3945 states and 4392 transitions. [2020-10-23 18:39:18,345 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-23 18:39:18,345 INFO L276 IsEmpty]: Start isEmpty. Operand 3945 states and 4392 transitions. [2020-10-23 18:39:18,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 638 [2020-10-23 18:39:18,366 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:39:18,366 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:39:18,580 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:39:18,581 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:39:18,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:39:18,582 INFO L82 PathProgramCache]: Analyzing trace with hash -1690169824, now seen corresponding path program 1 times [2020-10-23 18:39:18,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:39:18,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998321131] [2020-10-23 18:39:18,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:39:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:18,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:39:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:18,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:39:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:18,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-23 18:39:18,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:18,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-23 18:39:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:18,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-23 18:39:18,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:19,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2020-10-23 18:39:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:19,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1160 backedges. 549 proven. 73 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2020-10-23 18:39:19,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998321131] [2020-10-23 18:39:19,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [517832762] [2020-10-23 18:39:19,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:39:19,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:19,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 1001 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:39:19,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:39:19,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1160 backedges. 795 proven. 2 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2020-10-23 18:39:19,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:39:19,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 8 [2020-10-23 18:39:19,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616162424] [2020-10-23 18:39:19,965 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 18:39:19,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:39:19,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 18:39:19,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:39:19,966 INFO L87 Difference]: Start difference. First operand 3945 states and 4392 transitions. Second operand 8 states. [2020-10-23 18:39:22,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:39:22,167 INFO L93 Difference]: Finished difference Result 9354 states and 10557 transitions. [2020-10-23 18:39:22,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-23 18:39:22,168 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 637 [2020-10-23 18:39:22,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:39:22,196 INFO L225 Difference]: With dead ends: 9354 [2020-10-23 18:39:22,196 INFO L226 Difference]: Without dead ends: 5597 [2020-10-23 18:39:22,205 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 667 GetRequests, 653 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-10-23 18:39:22,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5597 states. [2020-10-23 18:39:22,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5597 to 5587. [2020-10-23 18:39:22,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5587 states. [2020-10-23 18:39:22,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5587 states to 5587 states and 6228 transitions. [2020-10-23 18:39:22,356 INFO L78 Accepts]: Start accepts. Automaton has 5587 states and 6228 transitions. Word has length 637 [2020-10-23 18:39:22,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:39:22,357 INFO L481 AbstractCegarLoop]: Abstraction has 5587 states and 6228 transitions. [2020-10-23 18:39:22,357 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 18:39:22,357 INFO L276 IsEmpty]: Start isEmpty. Operand 5587 states and 6228 transitions. [2020-10-23 18:39:22,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 644 [2020-10-23 18:39:22,366 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:39:22,367 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:39:22,580 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:39:22,580 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:39:22,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:39:22,581 INFO L82 PathProgramCache]: Analyzing trace with hash -635073528, now seen corresponding path program 1 times [2020-10-23 18:39:22,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:39:22,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044444310] [2020-10-23 18:39:22,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:39:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:22,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:39:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:22,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:39:22,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:22,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-23 18:39:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:22,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-23 18:39:22,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:22,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-23 18:39:22,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:22,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2020-10-23 18:39:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:23,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2020-10-23 18:39:23,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:24,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 657 proven. 85 refuted. 0 times theorem prover too weak. 818 trivial. 0 not checked. [2020-10-23 18:39:24,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044444310] [2020-10-23 18:39:24,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [223534236] [2020-10-23 18:39:24,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:39:24,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:24,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 1041 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-23 18:39:24,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:39:24,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 1080 proven. 2 refuted. 0 times theorem prover too weak. 478 trivial. 0 not checked. [2020-10-23 18:39:24,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:39:24,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5] total 14 [2020-10-23 18:39:24,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135869197] [2020-10-23 18:39:24,546 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-23 18:39:24,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:39:24,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-23 18:39:24,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-23 18:39:24,547 INFO L87 Difference]: Start difference. First operand 5587 states and 6228 transitions. Second operand 14 states. [2020-10-23 18:39:25,018 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 73 [2020-10-23 18:39:25,255 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2020-10-23 18:39:25,573 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2020-10-23 18:39:25,805 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 70 [2020-10-23 18:39:27,593 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2020-10-23 18:39:28,614 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2020-10-23 18:39:29,054 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 69 [2020-10-23 18:39:29,324 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2020-10-23 18:39:29,627 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2020-10-23 18:39:30,376 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 73 [2020-10-23 18:39:30,624 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2020-10-23 18:39:31,354 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2020-10-23 18:39:31,583 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2020-10-23 18:39:31,878 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2020-10-23 18:39:32,097 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 71 [2020-10-23 18:39:32,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:39:32,672 INFO L93 Difference]: Finished difference Result 11513 states and 12975 transitions. [2020-10-23 18:39:32,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-23 18:39:32,673 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 643 [2020-10-23 18:39:32,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:39:32,698 INFO L225 Difference]: With dead ends: 11513 [2020-10-23 18:39:32,698 INFO L226 Difference]: Without dead ends: 6002 [2020-10-23 18:39:32,709 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 717 GetRequests, 675 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 428 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=386, Invalid=1420, Unknown=0, NotChecked=0, Total=1806 [2020-10-23 18:39:32,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6002 states. [2020-10-23 18:39:32,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6002 to 5039. [2020-10-23 18:39:32,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5039 states. [2020-10-23 18:39:32,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5039 states to 5039 states and 5553 transitions. [2020-10-23 18:39:32,832 INFO L78 Accepts]: Start accepts. Automaton has 5039 states and 5553 transitions. Word has length 643 [2020-10-23 18:39:32,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:39:32,833 INFO L481 AbstractCegarLoop]: Abstraction has 5039 states and 5553 transitions. [2020-10-23 18:39:32,833 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-23 18:39:32,833 INFO L276 IsEmpty]: Start isEmpty. Operand 5039 states and 5553 transitions. [2020-10-23 18:39:32,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 797 [2020-10-23 18:39:32,843 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:39:32,844 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-23 18:39:33,058 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-23 18:39:33,059 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:39:33,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:39:33,061 INFO L82 PathProgramCache]: Analyzing trace with hash -1699081608, now seen corresponding path program 1 times [2020-10-23 18:39:33,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:39:33,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359019872] [2020-10-23 18:39:33,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:39:33,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:33,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:39:33,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:33,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:39:33,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:33,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-23 18:39:33,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:33,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-23 18:39:33,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:33,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-23 18:39:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:33,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-23 18:39:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:33,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2020-10-23 18:39:33,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:34,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1769 backedges. 612 proven. 17 refuted. 0 times theorem prover too weak. 1140 trivial. 0 not checked. [2020-10-23 18:39:34,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359019872] [2020-10-23 18:39:34,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624834234] [2020-10-23 18:39:34,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:39:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:34,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 1200 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-23 18:39:34,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:39:34,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1769 backedges. 1071 proven. 2 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2020-10-23 18:39:34,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:39:34,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 13 [2020-10-23 18:39:34,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757943498] [2020-10-23 18:39:34,946 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-23 18:39:34,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:39:34,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-23 18:39:34,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-10-23 18:39:34,947 INFO L87 Difference]: Start difference. First operand 5039 states and 5553 transitions. Second operand 13 states. [2020-10-23 18:39:41,702 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-10-23 18:39:45,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:39:45,355 INFO L93 Difference]: Finished difference Result 11370 states and 12613 transitions. [2020-10-23 18:39:45,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2020-10-23 18:39:45,356 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 796 [2020-10-23 18:39:45,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:39:45,393 INFO L225 Difference]: With dead ends: 11370 [2020-10-23 18:39:45,393 INFO L226 Difference]: Without dead ends: 6521 [2020-10-23 18:39:45,404 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 922 GetRequests, 853 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1702 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=775, Invalid=4195, Unknown=0, NotChecked=0, Total=4970 [2020-10-23 18:39:45,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6521 states. [2020-10-23 18:39:45,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6521 to 5413. [2020-10-23 18:39:45,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5413 states. [2020-10-23 18:39:45,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5413 states to 5413 states and 5763 transitions. [2020-10-23 18:39:45,536 INFO L78 Accepts]: Start accepts. Automaton has 5413 states and 5763 transitions. Word has length 796 [2020-10-23 18:39:45,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:39:45,538 INFO L481 AbstractCegarLoop]: Abstraction has 5413 states and 5763 transitions. [2020-10-23 18:39:45,538 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-23 18:39:45,538 INFO L276 IsEmpty]: Start isEmpty. Operand 5413 states and 5763 transitions. [2020-10-23 18:39:45,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1051 [2020-10-23 18:39:45,553 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:39:45,555 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:39:45,768 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:39:45,769 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:39:45,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:39:45,769 INFO L82 PathProgramCache]: Analyzing trace with hash -637600636, now seen corresponding path program 1 times [2020-10-23 18:39:45,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:39:45,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586748948] [2020-10-23 18:39:45,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:39:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:46,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:39:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:46,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:39:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:46,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-23 18:39:46,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:46,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-23 18:39:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:46,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-23 18:39:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:46,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-23 18:39:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:46,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-23 18:39:46,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:46,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-23 18:39:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:46,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-23 18:39:46,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:46,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 936 [2020-10-23 18:39:46,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:47,472 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 943 proven. 145 refuted. 0 times theorem prover too weak. 2452 trivial. 0 not checked. [2020-10-23 18:39:47,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586748948] [2020-10-23 18:39:47,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1943472363] [2020-10-23 18:39:47,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:39:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:39:47,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 1565 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-23 18:39:47,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:39:47,954 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 1] term [2020-10-23 18:39:47,954 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-23 18:39:47,956 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-23 18:39:48,564 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 971 proven. 2 refuted. 0 times theorem prover too weak. 2567 trivial. 0 not checked. [2020-10-23 18:39:48,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:39:48,564 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5] total 15 [2020-10-23 18:39:48,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881568354] [2020-10-23 18:39:48,572 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-23 18:39:48,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:39:48,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-23 18:39:48,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2020-10-23 18:39:48,572 INFO L87 Difference]: Start difference. First operand 5413 states and 5763 transitions. Second operand 15 states. [2020-10-23 18:39:49,699 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 20 [2020-10-23 18:39:49,941 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2020-10-23 18:39:52,035 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 20 [2020-10-23 18:39:52,278 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 24 [2020-10-23 18:39:53,658 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 20 [2020-10-23 18:39:53,875 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 69 [2020-10-23 18:39:56,000 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 19 [2020-10-23 18:39:59,462 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 22 [2020-10-23 18:39:59,696 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2020-10-23 18:40:00,605 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2020-10-23 18:40:00,925 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 21 [2020-10-23 18:40:03,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:40:03,788 INFO L93 Difference]: Finished difference Result 13008 states and 13836 transitions. [2020-10-23 18:40:03,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-10-23 18:40:03,789 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 1050 [2020-10-23 18:40:03,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:40:03,811 INFO L225 Difference]: With dead ends: 13008 [2020-10-23 18:40:03,811 INFO L226 Difference]: Without dead ends: 7221 [2020-10-23 18:40:03,823 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1149 GetRequests, 1099 SyntacticMatches, 3 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 641 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=386, Invalid=1966, Unknown=0, NotChecked=0, Total=2352 [2020-10-23 18:40:03,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7221 states. [2020-10-23 18:40:03,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7221 to 4847. [2020-10-23 18:40:03,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4847 states. [2020-10-23 18:40:03,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4847 states to 4847 states and 5041 transitions. [2020-10-23 18:40:03,939 INFO L78 Accepts]: Start accepts. Automaton has 4847 states and 5041 transitions. Word has length 1050 [2020-10-23 18:40:03,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:40:03,941 INFO L481 AbstractCegarLoop]: Abstraction has 4847 states and 5041 transitions. [2020-10-23 18:40:03,942 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-23 18:40:03,942 INFO L276 IsEmpty]: Start isEmpty. Operand 4847 states and 5041 transitions. [2020-10-23 18:40:03,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1099 [2020-10-23 18:40:03,958 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:40:03,959 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:40:04,173 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:40:04,173 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:40:04,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:40:04,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1347859420, now seen corresponding path program 1 times [2020-10-23 18:40:04,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:40:04,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032739927] [2020-10-23 18:40:04,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:40:04,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:40:04,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:40:04,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:40:04,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:40:04,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:40:04,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-23 18:40:04,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:40:04,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-23 18:40:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:40:04,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-23 18:40:04,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:40:04,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-23 18:40:04,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:40:04,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-23 18:40:04,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:40:04,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-23 18:40:04,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:40:04,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-23 18:40:04,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:40:04,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 984 [2020-10-23 18:40:04,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:40:05,573 INFO L134 CoverageAnalysis]: Checked inductivity of 3737 backedges. 860 proven. 177 refuted. 0 times theorem prover too weak. 2700 trivial. 0 not checked. [2020-10-23 18:40:05,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032739927] [2020-10-23 18:40:05,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885790779] [2020-10-23 18:40:05,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:40:05,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:40:05,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 1616 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-23 18:40:05,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:40:05,994 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-23 18:40:06,007 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-23 18:40:06,021 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-23 18:40:07,490 INFO L134 CoverageAnalysis]: Checked inductivity of 3737 backedges. 2216 proven. 6 refuted. 0 times theorem prover too weak. 1515 trivial. 0 not checked. [2020-10-23 18:40:07,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:40:07,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7] total 17 [2020-10-23 18:40:07,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527660648] [2020-10-23 18:40:07,493 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-23 18:40:07,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:40:07,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-23 18:40:07,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2020-10-23 18:40:07,494 INFO L87 Difference]: Start difference. First operand 4847 states and 5041 transitions. Second operand 17 states. [2020-10-23 18:40:09,165 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2020-10-23 18:40:12,105 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2020-10-23 18:40:13,182 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2020-10-23 18:40:14,416 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2020-10-23 18:40:20,524 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-10-23 18:40:20,745 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2020-10-23 18:40:21,540 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2020-10-23 18:40:26,499 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2020-10-23 18:40:28,288 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2020-10-23 18:40:31,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:40:31,406 INFO L93 Difference]: Finished difference Result 11711 states and 12179 transitions. [2020-10-23 18:40:31,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2020-10-23 18:40:31,407 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1098 [2020-10-23 18:40:31,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:40:31,410 INFO L225 Difference]: With dead ends: 11711 [2020-10-23 18:40:31,410 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 18:40:31,430 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1271 GetRequests, 1182 SyntacticMatches, 1 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2736 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=1213, Invalid=6797, Unknown=0, NotChecked=0, Total=8010 [2020-10-23 18:40:31,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 18:40:31,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 18:40:31,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 18:40:31,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 18:40:31,431 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1098 [2020-10-23 18:40:31,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:40:31,431 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 18:40:31,431 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-23 18:40:31,431 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 18:40:31,431 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 18:40:31,645 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-10-23 18:40:31,648 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 18:40:32,312 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 302 [2020-10-23 18:40:32,855 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 135 [2020-10-23 18:40:34,074 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 302 [2020-10-23 18:40:37,361 WARN L193 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 311 DAG size of output: 89 [2020-10-23 18:40:38,050 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 28 [2020-10-23 18:40:45,150 WARN L193 SmtUtils]: Spent 7.08 s on a formula simplification. DAG size of input: 481 DAG size of output: 119 [2020-10-23 18:40:48,298 WARN L193 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 311 DAG size of output: 89 [2020-10-23 18:40:48,445 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2020-10-23 18:40:50,425 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 239 DAG size of output: 95 [2020-10-23 18:40:50,430 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-23 18:40:50,431 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-23 18:40:50,431 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-23 18:40:50,431 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-23 18:40:50,431 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:40:50,432 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a15~0 |old(~a15~0)|) (= |old(#valid)| |#valid|) (= |old(#NULL.base)| |#NULL.base|) (= |#t~string5.base| |old(#t~string5.base)|) (= |old(#t~string6.offset)| |#t~string6.offset|) (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#t~string7.base)| |#t~string7.base|)) [2020-10-23 18:40:50,432 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:40:50,432 INFO L274 CegarLoopResult]: For program point L696(lines 696 872) no Hoare annotation was computed. [2020-10-23 18:40:50,432 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-23 18:40:50,432 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-23 18:40:50,432 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-23 18:40:50,432 INFO L274 CegarLoopResult]: For program point L301(lines 301 872) no Hoare annotation was computed. [2020-10-23 18:40:50,433 INFO L274 CegarLoopResult]: For program point L434(lines 434 872) no Hoare annotation was computed. [2020-10-23 18:40:50,433 INFO L274 CegarLoopResult]: For program point L368(lines 368 872) no Hoare annotation was computed. [2020-10-23 18:40:50,433 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,433 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,433 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,433 INFO L274 CegarLoopResult]: For program point L237(lines 237 872) no Hoare annotation was computed. [2020-10-23 18:40:50,433 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-23 18:40:50,433 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-23 18:40:50,433 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-23 18:40:50,434 INFO L274 CegarLoopResult]: For program point L766(lines 766 872) no Hoare annotation was computed. [2020-10-23 18:40:50,434 INFO L274 CegarLoopResult]: For program point L634(lines 634 872) no Hoare annotation was computed. [2020-10-23 18:40:50,434 INFO L274 CegarLoopResult]: For program point L502(lines 502 872) no Hoare annotation was computed. [2020-10-23 18:40:50,434 INFO L274 CegarLoopResult]: For program point L833(lines 833 872) no Hoare annotation was computed. [2020-10-23 18:40:50,434 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,434 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,434 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,434 INFO L274 CegarLoopResult]: For program point L702(lines 702 872) no Hoare annotation was computed. [2020-10-23 18:40:50,434 INFO L274 CegarLoopResult]: For program point L570(lines 570 872) no Hoare annotation was computed. [2020-10-23 18:40:50,434 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-23 18:40:50,435 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-23 18:40:50,435 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-23 18:40:50,435 INFO L274 CegarLoopResult]: For program point L307(lines 307 872) no Hoare annotation was computed. [2020-10-23 18:40:50,435 INFO L274 CegarLoopResult]: For program point L440(lines 440 872) no Hoare annotation was computed. [2020-10-23 18:40:50,436 INFO L274 CegarLoopResult]: For program point L374(lines 374 872) no Hoare annotation was computed. [2020-10-23 18:40:50,436 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,436 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,436 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,436 INFO L274 CegarLoopResult]: For program point L243(lines 243 872) no Hoare annotation was computed. [2020-10-23 18:40:50,436 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-23 18:40:50,436 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-23 18:40:50,436 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-23 18:40:50,437 INFO L274 CegarLoopResult]: For program point L640(lines 640 872) no Hoare annotation was computed. [2020-10-23 18:40:50,437 INFO L274 CegarLoopResult]: For program point L508(lines 508 872) no Hoare annotation was computed. [2020-10-23 18:40:50,437 INFO L274 CegarLoopResult]: For program point L839(lines 839 872) no Hoare annotation was computed. [2020-10-23 18:40:50,437 INFO L274 CegarLoopResult]: For program point L773(lines 773 872) no Hoare annotation was computed. [2020-10-23 18:40:50,437 INFO L274 CegarLoopResult]: For program point L575(lines 575 872) no Hoare annotation was computed. [2020-10-23 18:40:50,437 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,437 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,437 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,437 INFO L274 CegarLoopResult]: For program point L708(lines 708 872) no Hoare annotation was computed. [2020-10-23 18:40:50,437 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-23 18:40:50,437 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-23 18:40:50,437 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-23 18:40:50,438 INFO L274 CegarLoopResult]: For program point L313(lines 313 872) no Hoare annotation was computed. [2020-10-23 18:40:50,438 INFO L274 CegarLoopResult]: For program point L446(lines 446 872) no Hoare annotation was computed. [2020-10-23 18:40:50,438 INFO L274 CegarLoopResult]: For program point L380(lines 380 872) no Hoare annotation was computed. [2020-10-23 18:40:50,438 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,438 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,438 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,438 INFO L274 CegarLoopResult]: For program point L249(lines 249 872) no Hoare annotation was computed. [2020-10-23 18:40:50,438 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-23 18:40:50,438 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-23 18:40:50,439 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-23 18:40:50,439 INFO L274 CegarLoopResult]: For program point L844(lines 844 872) no Hoare annotation was computed. [2020-10-23 18:40:50,439 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,439 INFO L274 CegarLoopResult]: For program point L646(lines 646 872) no Hoare annotation was computed. [2020-10-23 18:40:50,439 INFO L274 CegarLoopResult]: For program point L514(lines 514 872) no Hoare annotation was computed. [2020-10-23 18:40:50,439 INFO L274 CegarLoopResult]: For program point L779(lines 779 872) no Hoare annotation was computed. [2020-10-23 18:40:50,439 INFO L274 CegarLoopResult]: For program point L581(lines 581 872) no Hoare annotation was computed. [2020-10-23 18:40:50,439 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,440 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,440 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,440 INFO L274 CegarLoopResult]: For program point L714(lines 714 872) no Hoare annotation was computed. [2020-10-23 18:40:50,440 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-23 18:40:50,440 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-23 18:40:50,440 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-23 18:40:50,440 INFO L274 CegarLoopResult]: For program point L451(lines 451 872) no Hoare annotation was computed. [2020-10-23 18:40:50,440 INFO L274 CegarLoopResult]: For program point L319(lines 319 872) no Hoare annotation was computed. [2020-10-23 18:40:50,440 INFO L274 CegarLoopResult]: For program point L386(lines 386 872) no Hoare annotation was computed. [2020-10-23 18:40:50,441 INFO L274 CegarLoopResult]: For program point L254(lines 254 872) no Hoare annotation was computed. [2020-10-23 18:40:50,441 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,441 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,441 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,441 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-23 18:40:50,441 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-23 18:40:50,441 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-23 18:40:50,441 INFO L274 CegarLoopResult]: For program point L850(lines 850 872) no Hoare annotation was computed. [2020-10-23 18:40:50,441 INFO L274 CegarLoopResult]: For program point L652(lines 652 872) no Hoare annotation was computed. [2020-10-23 18:40:50,441 INFO L274 CegarLoopResult]: For program point L520(lines 520 872) no Hoare annotation was computed. [2020-10-23 18:40:50,441 INFO L274 CegarLoopResult]: For program point L785(lines 785 872) no Hoare annotation was computed. [2020-10-23 18:40:50,441 INFO L274 CegarLoopResult]: For program point L587(lines 587 872) no Hoare annotation was computed. [2020-10-23 18:40:50,441 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,441 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,441 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,442 INFO L274 CegarLoopResult]: For program point L720(lines 720 872) no Hoare annotation was computed. [2020-10-23 18:40:50,442 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 874) the Hoare annotation is: (let ((.cse6 (= ~a24~0 1)) (.cse19 (= ~a24~0 |old(~a24~0)|)) (.cse20 (= ~a21~0 |old(~a21~0)|)) (.cse7 (= ~a12~0 |old(~a12~0)|)) (.cse8 (= ~a15~0 |old(~a15~0)|))) (let ((.cse9 (and .cse19 .cse20 .cse7 .cse8)) (.cse2 (not (<= 8 |old(~a15~0)|))) (.cse16 (not (<= 13 |old(~a12~0)|))) (.cse17 (not (<= |old(~a21~0)| 6))) (.cse0 (not (= 7 |old(~a21~0)|))) (.cse13 (= 5 |old(~a15~0)|)) (.cse10 (not (<= |old(~a15~0)| 8))) (.cse18 (= 6 |old(~a15~0)|)) (.cse12 (not (<= |old(~a12~0)| 11))) (.cse5 (not (< 80 |old(~a12~0)|))) (.cse1 (not (= |old(~a24~0)| 1))) (.cse11 (not (<= 10 |old(~a21~0)|))) (.cse3 (and .cse20 .cse6 .cse7 .cse8)) (.cse4 (= 10 |old(~a15~0)|))) (and (or .cse0 .cse1 (not (<= 81 |old(~a12~0)|)) .cse2 .cse3 .cse4) (or .cse5 .cse1 (not (= 9 |old(~a21~0)|)) .cse4 (and .cse6 (= ~a21~0 9) .cse7 .cse8)) (or (not (<= 8 |old(~a21~0)|)) .cse1 .cse9 .cse10) (or .cse1 .cse11 .cse3 .cse4 .cse12) (or .cse1 .cse13 .cse3 (forall ((aux_div_v_~a12~0_449_31 Int) (aux_div_aux_mod_v_~a12~0_449_31_31 Int)) (let ((.cse14 (* 5 aux_div_aux_mod_v_~a12~0_449_31_31))) (let ((.cse15 (+ (* 5 aux_div_v_~a12~0_449_31) .cse14))) (or (not (< .cse14 5)) (not (<= |old(~a12~0)| aux_div_v_~a12~0_449_31)) (not (< 366344 .cse15)) (not (<= 0 .cse14)) (not (<= .cse15 366413)))))) .cse16 .cse10 .cse17) (or .cse1 .cse13 .cse3 .cse16 .cse10 .cse18) (or .cse9 .cse10 .cse17 .cse18 (not (<= (+ |old(~a12~0)| 49) 0))) (or .cse1 .cse2 .cse3 .cse16 .cse17 .cse4) (or .cse0 (not (< 0 (+ |old(~a12~0)| 43))) (and .cse19 .cse7 (= 7 ~a21~0) .cse8) .cse1 .cse10 .cse18) (or (and (= 5 ~a15~0) (= ~a21~0 6) .cse6 .cse7) .cse1 (not (= 6 |old(~a21~0)|)) (not .cse13)) (or .cse1 .cse13 .cse3 .cse10 .cse18 .cse12) (or .cse1 (not (= 8 |old(~a21~0)|)) (not (= 9 |old(~a15~0)|)) (and .cse6 (= ~a21~0 8) .cse7 .cse8)) (or .cse5 .cse1 .cse11 .cse3 .cse4)))) [2020-10-23 18:40:50,442 INFO L274 CegarLoopResult]: For program point L456(lines 456 872) no Hoare annotation was computed. [2020-10-23 18:40:50,442 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-23 18:40:50,442 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-23 18:40:50,442 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-23 18:40:50,442 INFO L274 CegarLoopResult]: For program point L325(lines 325 872) no Hoare annotation was computed. [2020-10-23 18:40:50,442 INFO L274 CegarLoopResult]: For program point L392(lines 392 872) no Hoare annotation was computed. [2020-10-23 18:40:50,442 INFO L274 CegarLoopResult]: For program point L260(lines 260 872) no Hoare annotation was computed. [2020-10-23 18:40:50,442 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,442 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,443 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,443 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-23 18:40:50,443 INFO L270 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (let ((.cse8 (not (= 7 |old(~a21~0)|))) (.cse1 (not (<= 8 |old(~a15~0)|))) (.cse4 (= 10 |old(~a15~0)|)) (.cse2 (not (<= 13 |old(~a12~0)|))) (.cse3 (not (<= |old(~a21~0)| 6))) (.cse0 (not (= |old(~a24~0)| 1))) (.cse9 (= 5 |old(~a15~0)|)) (.cse5 (not (<= |old(~a15~0)| 8))) (.cse6 (= 6 |old(~a15~0)|)) (.cse7 (not (<= |old(~a12~0)| 11)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse3 .cse6 (not (<= (+ |old(~a12~0)| 49) 0))) (or .cse0 (not (<= 10 |old(~a21~0)|)) .cse4 .cse7) (or (not (<= 8 |old(~a21~0)|)) .cse0 .cse5) (or .cse8 (not (< 0 (+ |old(~a12~0)| 43))) .cse0 .cse5 .cse6) (or .cse0 .cse9 .cse2 .cse5 .cse6) (or .cse0 (not (= 8 |old(~a21~0)|)) (not (= 9 |old(~a15~0)|))) (or .cse8 .cse0 (not (<= 81 |old(~a12~0)|)) .cse1 .cse4) (or (not (< 80 |old(~a12~0)|)) .cse0 (not (<= 9 |old(~a21~0)|)) .cse4) (or .cse0 (not (= 6 |old(~a21~0)|)) (not .cse9)) (or .cse0 .cse9 (forall ((aux_div_v_~a12~0_449_31 Int) (aux_div_aux_mod_v_~a12~0_449_31_31 Int)) (let ((.cse10 (* 5 aux_div_aux_mod_v_~a12~0_449_31_31))) (let ((.cse11 (+ (* 5 aux_div_v_~a12~0_449_31) .cse10))) (or (not (< .cse10 5)) (not (<= |old(~a12~0)| aux_div_v_~a12~0_449_31)) (not (< 366344 .cse11)) (not (<= 0 .cse10)) (not (<= .cse11 366413)))))) .cse2 .cse5 .cse3) (or .cse0 .cse9 .cse5 .cse6 .cse7))) [2020-10-23 18:40:50,443 INFO L274 CegarLoopResult]: For program point L129-1(line 129) no Hoare annotation was computed. [2020-10-23 18:40:50,443 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-23 18:40:50,443 INFO L274 CegarLoopResult]: For program point L856(lines 856 872) no Hoare annotation was computed. [2020-10-23 18:40:50,443 INFO L274 CegarLoopResult]: For program point L658(lines 658 872) no Hoare annotation was computed. [2020-10-23 18:40:50,443 INFO L274 CegarLoopResult]: For program point L526(lines 526 872) no Hoare annotation was computed. [2020-10-23 18:40:50,443 INFO L274 CegarLoopResult]: For program point L791(lines 791 872) no Hoare annotation was computed. [2020-10-23 18:40:50,443 INFO L274 CegarLoopResult]: For program point L593(lines 593 872) no Hoare annotation was computed. [2020-10-23 18:40:50,443 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,443 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,443 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,444 INFO L274 CegarLoopResult]: For program point L726(lines 726 872) no Hoare annotation was computed. [2020-10-23 18:40:50,444 INFO L274 CegarLoopResult]: For program point L462(lines 462 872) no Hoare annotation was computed. [2020-10-23 18:40:50,444 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-23 18:40:50,444 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-23 18:40:50,444 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-23 18:40:50,444 INFO L274 CegarLoopResult]: For program point L331(lines 331 872) no Hoare annotation was computed. [2020-10-23 18:40:50,444 INFO L274 CegarLoopResult]: For program point L398(lines 398 872) no Hoare annotation was computed. [2020-10-23 18:40:50,444 INFO L274 CegarLoopResult]: For program point L266(lines 266 872) no Hoare annotation was computed. [2020-10-23 18:40:50,444 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,444 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,444 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,444 INFO L274 CegarLoopResult]: For program point L861(lines 861 872) no Hoare annotation was computed. [2020-10-23 18:40:50,444 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-23 18:40:50,444 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-23 18:40:50,444 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-23 18:40:50,444 INFO L274 CegarLoopResult]: For program point L664(lines 664 872) no Hoare annotation was computed. [2020-10-23 18:40:50,445 INFO L274 CegarLoopResult]: For program point L532(lines 532 872) no Hoare annotation was computed. [2020-10-23 18:40:50,445 INFO L274 CegarLoopResult]: For program point L797(lines 797 872) no Hoare annotation was computed. [2020-10-23 18:40:50,445 INFO L274 CegarLoopResult]: For program point L599(lines 599 872) no Hoare annotation was computed. [2020-10-23 18:40:50,445 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,445 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,445 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,445 INFO L274 CegarLoopResult]: For program point L732(lines 732 872) no Hoare annotation was computed. [2020-10-23 18:40:50,445 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-23 18:40:50,445 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-23 18:40:50,445 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-23 18:40:50,445 INFO L274 CegarLoopResult]: For program point L469(lines 469 872) no Hoare annotation was computed. [2020-10-23 18:40:50,445 INFO L274 CegarLoopResult]: For program point L337(lines 337 872) no Hoare annotation was computed. [2020-10-23 18:40:50,445 INFO L274 CegarLoopResult]: For program point L271(lines 271 872) no Hoare annotation was computed. [2020-10-23 18:40:50,445 INFO L274 CegarLoopResult]: For program point L404(lines 404 872) no Hoare annotation was computed. [2020-10-23 18:40:50,445 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,445 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,445 INFO L274 CegarLoopResult]: For program point L867(lines 867 872) no Hoare annotation was computed. [2020-10-23 18:40:50,446 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-23 18:40:50,446 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-23 18:40:50,446 INFO L274 CegarLoopResult]: For program point L670(lines 670 872) no Hoare annotation was computed. [2020-10-23 18:40:50,446 INFO L274 CegarLoopResult]: For program point L538(lines 538 872) no Hoare annotation was computed. [2020-10-23 18:40:50,446 INFO L274 CegarLoopResult]: For program point L803(lines 803 872) no Hoare annotation was computed. [2020-10-23 18:40:50,446 INFO L274 CegarLoopResult]: For program point L737(lines 737 872) no Hoare annotation was computed. [2020-10-23 18:40:50,446 INFO L274 CegarLoopResult]: For program point L605(lines 605 872) no Hoare annotation was computed. [2020-10-23 18:40:50,446 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,446 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,446 INFO L274 CegarLoopResult]: For program point L474(lines 474 872) no Hoare annotation was computed. [2020-10-23 18:40:50,446 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-23 18:40:50,446 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-23 18:40:50,446 INFO L274 CegarLoopResult]: For program point L343(lines 343 872) no Hoare annotation was computed. [2020-10-23 18:40:50,446 INFO L274 CegarLoopResult]: For program point L277(lines 277 872) no Hoare annotation was computed. [2020-10-23 18:40:50,446 INFO L274 CegarLoopResult]: For program point L410(lines 410 872) no Hoare annotation was computed. [2020-10-23 18:40:50,446 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,446 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,447 INFO L274 CegarLoopResult]: For program point L543(lines 543 872) no Hoare annotation was computed. [2020-10-23 18:40:50,447 INFO L274 CegarLoopResult]: For program point L213(lines 213 872) no Hoare annotation was computed. [2020-10-23 18:40:50,447 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-23 18:40:50,447 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-23 18:40:50,447 INFO L274 CegarLoopResult]: For program point L676(lines 676 872) no Hoare annotation was computed. [2020-10-23 18:40:50,447 INFO L274 CegarLoopResult]: For program point L809(lines 809 872) no Hoare annotation was computed. [2020-10-23 18:40:50,447 INFO L274 CegarLoopResult]: For program point L743(lines 743 872) no Hoare annotation was computed. [2020-10-23 18:40:50,447 INFO L274 CegarLoopResult]: For program point L611(lines 611 872) no Hoare annotation was computed. [2020-10-23 18:40:50,447 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,447 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,447 INFO L274 CegarLoopResult]: For program point L480(lines 480 872) no Hoare annotation was computed. [2020-10-23 18:40:50,447 INFO L274 CegarLoopResult]: For program point L282(lines 282 872) no Hoare annotation was computed. [2020-10-23 18:40:50,447 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-23 18:40:50,447 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-23 18:40:50,447 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,447 INFO L274 CegarLoopResult]: For program point L679(lines 679 872) no Hoare annotation was computed. [2020-10-23 18:40:50,447 INFO L274 CegarLoopResult]: For program point L349(lines 349 872) no Hoare annotation was computed. [2020-10-23 18:40:50,448 INFO L274 CegarLoopResult]: For program point L416(lines 416 872) no Hoare annotation was computed. [2020-10-23 18:40:50,448 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,448 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,448 INFO L274 CegarLoopResult]: For program point L549(lines 549 872) no Hoare annotation was computed. [2020-10-23 18:40:50,448 INFO L274 CegarLoopResult]: For program point L219(lines 219 872) no Hoare annotation was computed. [2020-10-23 18:40:50,448 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-23 18:40:50,448 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-23 18:40:50,448 INFO L274 CegarLoopResult]: For program point L749(lines 749 872) no Hoare annotation was computed. [2020-10-23 18:40:50,448 INFO L274 CegarLoopResult]: For program point L617(lines 617 872) no Hoare annotation was computed. [2020-10-23 18:40:50,448 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,448 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,448 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-23 18:40:50,448 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,448 INFO L274 CegarLoopResult]: For program point L816(lines 816 872) no Hoare annotation was computed. [2020-10-23 18:40:50,448 INFO L274 CegarLoopResult]: For program point L486(lines 486 872) no Hoare annotation was computed. [2020-10-23 18:40:50,448 INFO L274 CegarLoopResult]: For program point L288(lines 288 872) no Hoare annotation was computed. [2020-10-23 18:40:50,448 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-23 18:40:50,449 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-23 18:40:50,449 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-23 18:40:50,449 INFO L274 CegarLoopResult]: For program point L685(lines 685 872) no Hoare annotation was computed. [2020-10-23 18:40:50,449 INFO L274 CegarLoopResult]: For program point L355(lines 355 872) no Hoare annotation was computed. [2020-10-23 18:40:50,449 INFO L274 CegarLoopResult]: For program point L554(lines 554 872) no Hoare annotation was computed. [2020-10-23 18:40:50,449 INFO L274 CegarLoopResult]: For program point L422(lines 422 872) no Hoare annotation was computed. [2020-10-23 18:40:50,449 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,449 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,449 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,449 INFO L274 CegarLoopResult]: For program point L225(lines 225 872) no Hoare annotation was computed. [2020-10-23 18:40:50,449 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-23 18:40:50,450 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-23 18:40:50,450 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-23 18:40:50,450 INFO L274 CegarLoopResult]: For program point L754(lines 754 872) no Hoare annotation was computed. [2020-10-23 18:40:50,450 INFO L274 CegarLoopResult]: For program point L821(lines 821 872) no Hoare annotation was computed. [2020-10-23 18:40:50,450 INFO L274 CegarLoopResult]: For program point L623(lines 623 872) no Hoare annotation was computed. [2020-10-23 18:40:50,450 INFO L274 CegarLoopResult]: For program point L557(lines 557 872) no Hoare annotation was computed. [2020-10-23 18:40:50,450 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,450 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,450 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,450 INFO L274 CegarLoopResult]: For program point L690(lines 690 872) no Hoare annotation was computed. [2020-10-23 18:40:50,450 INFO L274 CegarLoopResult]: For program point L492(lines 492 872) no Hoare annotation was computed. [2020-10-23 18:40:50,450 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-23 18:40:50,451 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-23 18:40:50,451 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-23 18:40:50,451 INFO L274 CegarLoopResult]: For program point L361(lines 361 872) no Hoare annotation was computed. [2020-10-23 18:40:50,451 INFO L274 CegarLoopResult]: For program point L295(lines 295 872) no Hoare annotation was computed. [2020-10-23 18:40:50,451 INFO L274 CegarLoopResult]: For program point L428(lines 428 872) no Hoare annotation was computed. [2020-10-23 18:40:50,451 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,451 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,451 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,451 INFO L274 CegarLoopResult]: For program point L231(lines 231 872) no Hoare annotation was computed. [2020-10-23 18:40:50,451 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-23 18:40:50,451 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-23 18:40:50,451 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-23 18:40:50,451 INFO L274 CegarLoopResult]: For program point L760(lines 760 872) no Hoare annotation was computed. [2020-10-23 18:40:50,451 INFO L274 CegarLoopResult]: For program point L628(lines 628 872) no Hoare annotation was computed. [2020-10-23 18:40:50,451 INFO L274 CegarLoopResult]: For program point L827(lines 827 872) no Hoare annotation was computed. [2020-10-23 18:40:50,451 INFO L274 CegarLoopResult]: For program point L563(lines 563 872) no Hoare annotation was computed. [2020-10-23 18:40:50,451 INFO L274 CegarLoopResult]: For program point L497(lines 497 872) no Hoare annotation was computed. [2020-10-23 18:40:50,452 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,452 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,452 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 874) no Hoare annotation was computed. [2020-10-23 18:40:50,452 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:40:50,452 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= (+ ~a12~0 49) 0) (= ~a15~0 8) (= ~a24~0 1) (= 7 ~a21~0)) [2020-10-23 18:40:50,452 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-23 18:40:50,452 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:40:50,452 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 876 892) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (not (= |old(~a24~0)| 1)) (and (= ~a15~0 8) (= ~a24~0 1) (= ~a12~0 |old(~a12~0)|) (= 7 ~a21~0)) (not (= 8 |old(~a15~0)|)) (not (<= (+ |old(~a12~0)| 49) 0))) [2020-10-23 18:40:50,453 INFO L270 CegarLoopResult]: At program point L890(line 890) the Hoare annotation is: (let ((.cse14 (= 5 ~a15~0))) (let ((.cse5 (< 80 ~a12~0)) (.cse4 (<= ~a21~0 6)) (.cse2 (<= 8 ~a15~0)) (.cse13 (= 7 ~a21~0)) (.cse1 (<= 13 ~a12~0)) (.cse7 (not .cse14)) (.cse12 (not (= ~a15~0 6))) (.cse8 (<= ~a15~0 8)) (.cse11 (<= ~a12~0 11)) (.cse0 (= ~a24~0 1)) (.cse3 (not (= ~a15~0 10))) (.cse6 (<= 10 ~a21~0))) (or (not (= |old(~a24~0)| 1)) (and .cse0 (= ~a21~0 8) (= ~a15~0 9)) (and .cse1 .cse2 .cse0 .cse3 .cse4) (and .cse5 .cse0 .cse3 (= ~a21~0 9)) (and .cse5 .cse0 .cse3 .cse6) (not (= 8 |old(~a15~0)|)) (and .cse1 .cse7 .cse0 .cse8 .cse4 (exists ((aux_div_v_~a12~0_449_31 Int) (aux_div_aux_mod_v_~a12~0_449_31_31 Int)) (let ((.cse10 (* 5 aux_div_aux_mod_v_~a12~0_449_31_31))) (let ((.cse9 (+ (* 5 aux_div_v_~a12~0_449_31) .cse10))) (and (<= ~a12~0 aux_div_v_~a12~0_449_31) (<= .cse9 366413) (< 366344 .cse9) (< .cse10 5) (<= 0 .cse10)))))) (and .cse7 .cse11 .cse12 .cse0 .cse8) (not (<= (+ |old(~a12~0)| 49) 0)) (and (<= (+ ~a12~0 49) 0) .cse12 .cse8 .cse4) (and .cse2 (<= 81 ~a12~0) .cse0 .cse3 .cse13) (not (= 7 |old(~a21~0)|)) (and .cse14 (= ~a21~0 6) .cse0) (and (<= 8 ~a21~0) .cse0 .cse8) (and (< 0 (+ ~a12~0 43)) .cse0 .cse12 .cse8 .cse13) (and .cse1 .cse7 .cse12 .cse0 .cse8) (and .cse11 .cse0 .cse3 .cse6)))) [2020-10-23 18:40:50,453 INFO L274 CegarLoopResult]: For program point L890-1(line 890) no Hoare annotation was computed. [2020-10-23 18:40:50,453 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 876 892) no Hoare annotation was computed. [2020-10-23 18:40:50,453 INFO L274 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-10-23 18:40:50,454 INFO L270 CegarLoopResult]: At program point L882-2(lines 882 891) the Hoare annotation is: (let ((.cse14 (= 5 ~a15~0))) (let ((.cse5 (< 80 ~a12~0)) (.cse4 (<= ~a21~0 6)) (.cse2 (<= 8 ~a15~0)) (.cse13 (= 7 ~a21~0)) (.cse1 (<= 13 ~a12~0)) (.cse7 (not .cse14)) (.cse12 (not (= ~a15~0 6))) (.cse8 (<= ~a15~0 8)) (.cse11 (<= ~a12~0 11)) (.cse0 (= ~a24~0 1)) (.cse3 (not (= ~a15~0 10))) (.cse6 (<= 10 ~a21~0))) (or (not (= |old(~a24~0)| 1)) (and .cse0 (= ~a21~0 8) (= ~a15~0 9)) (and .cse1 .cse2 .cse0 .cse3 .cse4) (and .cse5 .cse0 .cse3 (= ~a21~0 9)) (and .cse5 .cse0 .cse3 .cse6) (not (= 8 |old(~a15~0)|)) (and .cse1 .cse7 .cse0 .cse8 .cse4 (exists ((aux_div_v_~a12~0_449_31 Int) (aux_div_aux_mod_v_~a12~0_449_31_31 Int)) (let ((.cse10 (* 5 aux_div_aux_mod_v_~a12~0_449_31_31))) (let ((.cse9 (+ (* 5 aux_div_v_~a12~0_449_31) .cse10))) (and (<= ~a12~0 aux_div_v_~a12~0_449_31) (<= .cse9 366413) (< 366344 .cse9) (< .cse10 5) (<= 0 .cse10)))))) (and .cse7 .cse11 .cse12 .cse0 .cse8) (not (<= (+ |old(~a12~0)| 49) 0)) (and (<= (+ ~a12~0 49) 0) .cse12 .cse8 .cse4) (and .cse2 (<= 81 ~a12~0) .cse0 .cse3 .cse13) (not (= 7 |old(~a21~0)|)) (and .cse14 (= ~a21~0 6) .cse0) (and (<= 8 ~a21~0) .cse0 .cse8) (and (< 0 (+ ~a12~0 43)) .cse0 .cse12 .cse8 .cse13) (and .cse1 .cse7 .cse12 .cse0 .cse8) (and .cse11 .cse0 .cse3 .cse6)))) [2020-10-23 18:40:50,454 INFO L274 CegarLoopResult]: For program point L882-3(lines 876 892) no Hoare annotation was computed. [2020-10-23 18:40:50,464 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_449_31,QUANTIFIED] [2020-10-23 18:40:50,465 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_449_31,QUANTIFIED] [2020-10-23 18:40:50,466 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] [2020-10-23 18:40:50,466 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_449_31,QUANTIFIED] [2020-10-23 18:40:50,466 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] [2020-10-23 18:40:50,466 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] [2020-10-23 18:40:50,466 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] [2020-10-23 18:40:50,477 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_449_31,QUANTIFIED] [2020-10-23 18:40:50,477 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_449_31,QUANTIFIED] [2020-10-23 18:40:50,477 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] [2020-10-23 18:40:50,477 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_449_31,QUANTIFIED] [2020-10-23 18:40:50,477 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] [2020-10-23 18:40:50,478 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] [2020-10-23 18:40:50,478 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] [2020-10-23 18:40:50,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 06:40:50 BoogieIcfgContainer [2020-10-23 18:40:50,483 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 18:40:50,484 INFO L168 Benchmark]: Toolchain (without parser) took 139618.13 ms. Allocated memory was 154.1 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 127.4 MB in the beginning and 1.0 GB in the end (delta: -894.7 MB). Peak memory consumption was 745.3 MB. Max. memory is 8.0 GB. [2020-10-23 18:40:50,485 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 154.1 MB. Free memory is still 127.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 18:40:50,485 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1023.36 ms. Allocated memory is still 154.1 MB. Free memory was 126.7 MB in the beginning and 125.8 MB in the end (delta: 906.4 kB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:40:50,486 INFO L168 Benchmark]: Boogie Preprocessor took 174.65 ms. Allocated memory is still 154.1 MB. Free memory was 125.8 MB in the beginning and 120.0 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-10-23 18:40:50,486 INFO L168 Benchmark]: RCFGBuilder took 2167.72 ms. Allocated memory is still 154.1 MB. Free memory was 120.0 MB in the beginning and 81.4 MB in the end (delta: 38.6 MB). Peak memory consumption was 76.4 MB. Max. memory is 8.0 GB. [2020-10-23 18:40:50,487 INFO L168 Benchmark]: TraceAbstraction took 136233.66 ms. Allocated memory was 154.1 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 80.9 MB in the beginning and 1.0 GB in the end (delta: -941.2 MB). Peak memory consumption was 698.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:40:50,490 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 154.1 MB. Free memory is still 127.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1023.36 ms. Allocated memory is still 154.1 MB. Free memory was 126.7 MB in the beginning and 125.8 MB in the end (delta: 906.4 kB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 174.65 ms. Allocated memory is still 154.1 MB. Free memory was 125.8 MB in the beginning and 120.0 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2167.72 ms. Allocated memory is still 154.1 MB. Free memory was 120.0 MB in the beginning and 81.4 MB in the end (delta: 38.6 MB). Peak memory consumption was 76.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 136233.66 ms. Allocated memory was 154.1 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 80.9 MB in the beginning and 1.0 GB in the end (delta: -941.2 MB). Peak memory consumption was 698.2 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[aux_div_v_~a12~0_449_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_449_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_449_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_449_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_449_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_449_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 882]: Loop Invariant [2020-10-23 18:40:50,497 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_449_31,QUANTIFIED] [2020-10-23 18:40:50,497 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_449_31,QUANTIFIED] [2020-10-23 18:40:50,498 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] [2020-10-23 18:40:50,498 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_449_31,QUANTIFIED] [2020-10-23 18:40:50,498 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] [2020-10-23 18:40:50,498 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] [2020-10-23 18:40:50,498 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] [2020-10-23 18:40:50,500 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_449_31,QUANTIFIED] [2020-10-23 18:40:50,500 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_449_31,QUANTIFIED] [2020-10-23 18:40:50,501 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] [2020-10-23 18:40:50,501 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_449_31,QUANTIFIED] [2020-10-23 18:40:50,501 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] [2020-10-23 18:40:50,501 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] [2020-10-23 18:40:50,501 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_449_31_31,QUANTIFIED] Derived loop invariant: (((((((((((((((!(\old(a24) == 1) || ((a24 == 1 && a21 == 8) && a15 == 9)) || ((((13 <= a12 && 8 <= a15) && a24 == 1) && !(a15 == 10)) && a21 <= 6)) || (((80 < a12 && a24 == 1) && !(a15 == 10)) && a21 == 9)) || (((80 < a12 && a24 == 1) && !(a15 == 10)) && 10 <= a21)) || !(8 == \old(a15))) || (((((13 <= a12 && !(5 == a15)) && a24 == 1) && a15 <= 8) && a21 <= 6) && (\exists aux_div_v_~a12~0_449_31 : int, aux_div_aux_mod_v_~a12~0_449_31_31 : int :: (((a12 <= aux_div_v_~a12~0_449_31 && 5 * aux_div_v_~a12~0_449_31 + 5 * aux_div_aux_mod_v_~a12~0_449_31_31 <= 366413) && 366344 < 5 * aux_div_v_~a12~0_449_31 + 5 * aux_div_aux_mod_v_~a12~0_449_31_31) && 5 * aux_div_aux_mod_v_~a12~0_449_31_31 < 5) && 0 <= 5 * aux_div_aux_mod_v_~a12~0_449_31_31))) || ((((!(5 == a15) && a12 <= 11) && !(a15 == 6)) && a24 == 1) && a15 <= 8)) || !(\old(a12) + 49 <= 0)) || (((a12 + 49 <= 0 && !(a15 == 6)) && a15 <= 8) && a21 <= 6)) || ((((8 <= a15 && 81 <= a12) && a24 == 1) && !(a15 == 10)) && 7 == a21)) || !(7 == \old(a21))) || ((5 == a15 && a21 == 6) && a24 == 1)) || ((8 <= a21 && a24 == 1) && a15 <= 8)) || ((((0 < a12 + 43 && a24 == 1) && !(a15 == 6)) && a15 <= 8) && 7 == a21)) || ((((13 <= a12 && !(5 == a15)) && !(a15 == 6)) && a24 == 1) && a15 <= 8)) || (((a12 <= 11 && a24 == 1) && !(a15 == 10)) && 10 <= a21) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 258 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 117.3s, OverallIterations: 13, TraceHistogramMax: 10, AutomataDifference: 92.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 18.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 812 SDtfs, 28710 SDslu, 1357 SDs, 0 SdLazy, 37563 SolverSat, 4803 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 52.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7001 GetRequests, 6573 SyntacticMatches, 8 SemanticMatches, 420 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6751 ImplicationChecksByTransitivity, 25.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5587occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 5421 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 489 PreInvPairs, 583 NumberOfFragments, 1283 HoareAnnotationTreeSize, 489 FomulaSimplifications, 606070 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 9 FomulaSimplificationsInter, 71684 FormulaSimplificationTreeSizeReductionInter, 16.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 12.1s InterpolantComputationTime, 12650 NumberOfCodeBlocks, 12650 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 12626 ConstructedInterpolants, 10 QuantifiedInterpolants, 20775044 SizeOfPredicates, 6 NumberOfNonLiveVariables, 10160 ConjunctsInSsa, 86 ConjunctsInUnsatCore, 24 InterpolantComputations, 5 PerfectInterpolantSequences, 27653/28990 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...