/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_label30.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:40:59,040 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:40:59,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:40:59,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-11-06 22:40:59,211 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:40:59,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:40:59,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:40:59,214 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-06 22:40:59,272 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:40:59,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:40:59,277 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:40:59,278 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:40:59,278 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:40:59,278 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:40:59,278 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:40:59,279 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:40:59,279 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:40:59,279 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:40:59,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:40:59,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:40:59,281 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:40:59,281 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:40:59,282 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:40:59,282 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:40:59,282 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:40:59,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:40:59,282 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:40:59,283 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:40:59,283 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:40:59,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:40:59,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:40:59,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:40:59,284 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:40:59,284 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:40:59,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:40:59,285 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:40:59,285 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:40:59,285 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:40:59,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:40:59,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:40:59,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:40:59,782 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:40:59,783 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:40:59,784 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label30.c [2020-11-06 22:40:59,863 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aac35119f/429555d899d24c8f84e312b2b0088989/FLAG20a9642ed [2020-11-06 22:41:00,576 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:41:00,577 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label30.c [2020-11-06 22:41:00,599 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aac35119f/429555d899d24c8f84e312b2b0088989/FLAG20a9642ed [2020-11-06 22:41:00,814 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aac35119f/429555d899d24c8f84e312b2b0088989 [2020-11-06 22:41:00,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:41:00,830 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:41:00,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:41:00,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:41:00,837 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:41:00,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:41:00" (1/1) ... [2020-11-06 22:41:00,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e943c7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:00, skipping insertion in model container [2020-11-06 22:41:00,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:41:00" (1/1) ... [2020-11-06 22:41:00,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:41:00,933 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:41:01,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:41:01,469 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:41:01,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:41:01,748 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:41:01,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:01 WrapperNode [2020-11-06 22:41:01,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:41:01,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:41:01,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:41:01,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:41:01,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:01" (1/1) ... [2020-11-06 22:41:01,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:01" (1/1) ... [2020-11-06 22:41:01,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:01" (1/1) ... [2020-11-06 22:41:01,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:01" (1/1) ... [2020-11-06 22:41:01,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:01" (1/1) ... [2020-11-06 22:41:01,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:01" (1/1) ... [2020-11-06 22:41:01,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:01" (1/1) ... [2020-11-06 22:41:01,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:41:01,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:41:01,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:41:01,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:41:01,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:41:01,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:41:01,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:41:01,989 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:41:01,989 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-06 22:41:01,990 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:41:01,990 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-06 22:41:01,990 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:41:01,990 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:41:01,990 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:41:01,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:41:01,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 22:41:01,991 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-06 22:41:01,991 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:41:01,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:41:01,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:41:01,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:41:01,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:41:01,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:41:01,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:41:03,828 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:41:03,828 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-06 22:41:03,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:41:03 BoogieIcfgContainer [2020-11-06 22:41:03,831 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:41:03,833 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:41:03,833 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:41:03,837 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:41:03,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:41:00" (1/3) ... [2020-11-06 22:41:03,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10ed4c1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:41:03, skipping insertion in model container [2020-11-06 22:41:03,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:01" (2/3) ... [2020-11-06 22:41:03,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10ed4c1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:41:03, skipping insertion in model container [2020-11-06 22:41:03,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:41:03" (3/3) ... [2020-11-06 22:41:03,841 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label30.c [2020-11-06 22:41:03,858 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:41:03,863 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:41:03,877 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:41:03,908 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:41:03,908 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:41:03,909 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:41:03,909 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:41:03,909 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:41:03,909 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:41:03,909 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:41:03,910 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:41:03,934 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states. [2020-11-06 22:41:03,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-06 22:41:03,944 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:41:03,945 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, 1, 1] [2020-11-06 22:41:03,946 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:41:03,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:41:03,953 INFO L82 PathProgramCache]: Analyzing trace with hash -735346048, now seen corresponding path program 1 times [2020-11-06 22:41:03,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:41:03,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923886172] [2020-11-06 22:41:03,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:41:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:04,544 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-11-06 22:41:04,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:41:04,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:04,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:41:04,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923886172] [2020-11-06 22:41:04,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:41:04,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-06 22:41:04,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355666698] [2020-11-06 22:41:04,602 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 22:41:04,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:41:04,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 22:41:04,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-06 22:41:04,621 INFO L87 Difference]: Start difference. First operand 258 states. Second operand 4 states. [2020-11-06 22:41:04,792 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-11-06 22:41:08,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:41:08,442 INFO L93 Difference]: Finished difference Result 719 states and 1262 transitions. [2020-11-06 22:41:08,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-06 22:41:08,445 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 50 [2020-11-06 22:41:08,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:41:08,461 INFO L225 Difference]: With dead ends: 719 [2020-11-06 22:41:08,462 INFO L226 Difference]: Without dead ends: 381 [2020-11-06 22:41:08,472 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:41:08,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2020-11-06 22:41:08,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 377. [2020-11-06 22:41:08,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2020-11-06 22:41:08,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 529 transitions. [2020-11-06 22:41:08,573 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 529 transitions. Word has length 50 [2020-11-06 22:41:08,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:41:08,574 INFO L481 AbstractCegarLoop]: Abstraction has 377 states and 529 transitions. [2020-11-06 22:41:08,575 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 22:41:08,575 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 529 transitions. [2020-11-06 22:41:08,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-11-06 22:41:08,590 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:41:08,590 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, 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] [2020-11-06 22:41:08,591 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 22:41:08,591 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:41:08,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:41:08,593 INFO L82 PathProgramCache]: Analyzing trace with hash 915273904, now seen corresponding path program 1 times [2020-11-06 22:41:08,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:41:08,593 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728196058] [2020-11-06 22:41:08,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:41:08,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:08,992 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-11-06 22:41:08,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:41:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:09,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:41:09,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:09,198 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 41 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:41:09,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728196058] [2020-11-06 22:41:09,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [531418262] [2020-11-06 22:41:09,199 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 [2020-11-06 22:41:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:09,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:41:09,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:41:09,625 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:41:09,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:41:09,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-11-06 22:41:09,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299165774] [2020-11-06 22:41:09,629 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:41:09,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:41:09,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:41:09,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-06 22:41:09,633 INFO L87 Difference]: Start difference. First operand 377 states and 529 transitions. Second operand 3 states. [2020-11-06 22:41:11,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:41:11,655 INFO L93 Difference]: Finished difference Result 1116 states and 1582 transitions. [2020-11-06 22:41:11,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:41:11,658 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2020-11-06 22:41:11,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:41:11,664 INFO L225 Difference]: With dead ends: 1116 [2020-11-06 22:41:11,665 INFO L226 Difference]: Without dead ends: 745 [2020-11-06 22:41:11,667 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 136 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-06 22:41:11,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2020-11-06 22:41:11,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 745. [2020-11-06 22:41:11,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states. [2020-11-06 22:41:11,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 976 transitions. [2020-11-06 22:41:11,734 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 976 transitions. Word has length 133 [2020-11-06 22:41:11,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:41:11,735 INFO L481 AbstractCegarLoop]: Abstraction has 745 states and 976 transitions. [2020-11-06 22:41:11,736 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:41:11,736 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 976 transitions. [2020-11-06 22:41:11,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-11-06 22:41:11,739 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:41:11,740 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, 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] [2020-11-06 22:41:11,953 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-11-06 22:41:11,953 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:41:11,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:41:11,954 INFO L82 PathProgramCache]: Analyzing trace with hash -1138261352, now seen corresponding path program 1 times [2020-11-06 22:41:11,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:41:11,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713991140] [2020-11-06 22:41:11,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:41:12,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:12,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:41:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:12,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:41:12,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:12,386 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 41 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:41:12,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713991140] [2020-11-06 22:41:12,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1844831671] [2020-11-06 22:41:12,388 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 [2020-11-06 22:41:12,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:12,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:41:12,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:41:12,644 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:41:12,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:41:12,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-11-06 22:41:12,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918164382] [2020-11-06 22:41:12,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:41:12,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:41:12,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:41:12,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-06 22:41:12,648 INFO L87 Difference]: Start difference. First operand 745 states and 976 transitions. Second operand 3 states. [2020-11-06 22:41:14,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:41:14,555 INFO L93 Difference]: Finished difference Result 1852 states and 2488 transitions. [2020-11-06 22:41:14,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:41:14,557 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2020-11-06 22:41:14,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:41:14,572 INFO L225 Difference]: With dead ends: 1852 [2020-11-06 22:41:14,572 INFO L226 Difference]: Without dead ends: 1113 [2020-11-06 22:41:14,575 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 148 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-06 22:41:14,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1113 states. [2020-11-06 22:41:14,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1113 to 1113. [2020-11-06 22:41:14,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1113 states. [2020-11-06 22:41:14,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 1113 states and 1426 transitions. [2020-11-06 22:41:14,647 INFO L78 Accepts]: Start accepts. Automaton has 1113 states and 1426 transitions. Word has length 145 [2020-11-06 22:41:14,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:41:14,650 INFO L481 AbstractCegarLoop]: Abstraction has 1113 states and 1426 transitions. [2020-11-06 22:41:14,650 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:41:14,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1426 transitions. [2020-11-06 22:41:14,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-11-06 22:41:14,661 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:41:14,661 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, 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, 1] [2020-11-06 22:41:14,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:41:14,877 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:41:14,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:41:14,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1308130172, now seen corresponding path program 1 times [2020-11-06 22:41:14,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:41:14,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170349285] [2020-11-06 22:41:14,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:41:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:15,169 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-11-06 22:41:15,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:41:15,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:15,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:41:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:15,327 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:41:15,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170349285] [2020-11-06 22:41:15,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288442067] [2020-11-06 22:41:15,328 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 [2020-11-06 22:41:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:15,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:41:15,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:41:15,541 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:41:15,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:41:15,542 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 8 [2020-11-06 22:41:15,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785254952] [2020-11-06 22:41:15,543 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:41:15,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:41:15,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:41:15,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:41:15,544 INFO L87 Difference]: Start difference. First operand 1113 states and 1426 transitions. Second operand 3 states. [2020-11-06 22:41:17,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:41:17,224 INFO L93 Difference]: Finished difference Result 1850 states and 2448 transitions. [2020-11-06 22:41:17,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:41:17,226 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2020-11-06 22:41:17,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:41:17,240 INFO L225 Difference]: With dead ends: 1850 [2020-11-06 22:41:17,241 INFO L226 Difference]: Without dead ends: 1847 [2020-11-06 22:41:17,244 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:41:17,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1847 states. [2020-11-06 22:41:17,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1847 to 1299. [2020-11-06 22:41:17,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1299 states. [2020-11-06 22:41:17,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 1299 states and 1737 transitions. [2020-11-06 22:41:17,311 INFO L78 Accepts]: Start accepts. Automaton has 1299 states and 1737 transitions. Word has length 159 [2020-11-06 22:41:17,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:41:17,312 INFO L481 AbstractCegarLoop]: Abstraction has 1299 states and 1737 transitions. [2020-11-06 22:41:17,312 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:41:17,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1299 states and 1737 transitions. [2020-11-06 22:41:17,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-11-06 22:41:17,317 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:41:17,317 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:41:17,532 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:41:17,533 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:41:17,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:41:17,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1371574492, now seen corresponding path program 1 times [2020-11-06 22:41:17,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:41:17,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745045606] [2020-11-06 22:41:17,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:41:17,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:17,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:41:17,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:17,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:41:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:17,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-06 22:41:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:17,923 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 161 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-06 22:41:17,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745045606] [2020-11-06 22:41:17,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535119155] [2020-11-06 22:41:17,924 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 [2020-11-06 22:41:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:18,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:41:18,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:41:18,286 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 162 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:41:18,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:41:18,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-11-06 22:41:18,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322812690] [2020-11-06 22:41:18,288 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-06 22:41:18,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:41:18,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-06 22:41:18,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:41:18,289 INFO L87 Difference]: Start difference. First operand 1299 states and 1737 transitions. Second operand 10 states. [2020-11-06 22:41:19,195 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-06 22:41:19,647 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-06 22:41:20,811 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-06 22:41:28,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:41:28,050 INFO L93 Difference]: Finished difference Result 4982 states and 7376 transitions. [2020-11-06 22:41:28,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-11-06 22:41:28,051 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 213 [2020-11-06 22:41:28,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:41:28,084 INFO L225 Difference]: With dead ends: 4982 [2020-11-06 22:41:28,084 INFO L226 Difference]: Without dead ends: 3303 [2020-11-06 22:41:28,092 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=123, Invalid=339, Unknown=0, NotChecked=0, Total=462 [2020-11-06 22:41:28,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3303 states. [2020-11-06 22:41:28,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3303 to 2645. [2020-11-06 22:41:28,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2645 states. [2020-11-06 22:41:28,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 2645 states and 3432 transitions. [2020-11-06 22:41:28,239 INFO L78 Accepts]: Start accepts. Automaton has 2645 states and 3432 transitions. Word has length 213 [2020-11-06 22:41:28,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:41:28,240 INFO L481 AbstractCegarLoop]: Abstraction has 2645 states and 3432 transitions. [2020-11-06 22:41:28,240 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-06 22:41:28,240 INFO L276 IsEmpty]: Start isEmpty. Operand 2645 states and 3432 transitions. [2020-11-06 22:41:28,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-11-06 22:41:28,248 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:41:28,248 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:41:28,463 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:41:28,464 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:41:28,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:41:28,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1153428336, now seen corresponding path program 1 times [2020-11-06 22:41:28,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:41:28,466 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038736621] [2020-11-06 22:41:28,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:41:28,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:28,680 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-11-06 22:41:28,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:41:28,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:28,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:41:28,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:28,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-11-06 22:41:28,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:28,966 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 175 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-06 22:41:28,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038736621] [2020-11-06 22:41:28,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248543982] [2020-11-06 22:41:28,968 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 [2020-11-06 22:41:29,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:29,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:41:29,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:41:29,488 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 176 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:41:29,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:41:29,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-11-06 22:41:29,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128615810] [2020-11-06 22:41:29,490 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-06 22:41:29,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:41:29,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-06 22:41:29,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:41:29,492 INFO L87 Difference]: Start difference. First operand 2645 states and 3432 transitions. Second operand 10 states. [2020-11-06 22:41:30,286 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-06 22:41:30,973 WARN L194 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-11-06 22:41:31,947 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-06 22:41:39,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:41:39,685 INFO L93 Difference]: Finished difference Result 5182 states and 7054 transitions. [2020-11-06 22:41:39,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-11-06 22:41:39,686 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 239 [2020-11-06 22:41:39,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:41:39,702 INFO L225 Difference]: With dead ends: 5182 [2020-11-06 22:41:39,703 INFO L226 Difference]: Without dead ends: 2719 [2020-11-06 22:41:39,714 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 251 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=123, Invalid=339, Unknown=0, NotChecked=0, Total=462 [2020-11-06 22:41:39,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2719 states. [2020-11-06 22:41:39,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2719 to 2267. [2020-11-06 22:41:39,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2267 states. [2020-11-06 22:41:39,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2267 states to 2267 states and 2814 transitions. [2020-11-06 22:41:39,813 INFO L78 Accepts]: Start accepts. Automaton has 2267 states and 2814 transitions. Word has length 239 [2020-11-06 22:41:39,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:41:39,813 INFO L481 AbstractCegarLoop]: Abstraction has 2267 states and 2814 transitions. [2020-11-06 22:41:39,813 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-06 22:41:39,814 INFO L276 IsEmpty]: Start isEmpty. Operand 2267 states and 2814 transitions. [2020-11-06 22:41:39,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-11-06 22:41:39,820 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:41:39,820 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:41:40,033 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-11-06 22:41:40,034 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:41:40,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:41:40,035 INFO L82 PathProgramCache]: Analyzing trace with hash -536446480, now seen corresponding path program 1 times [2020-11-06 22:41:40,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:41:40,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593679154] [2020-11-06 22:41:40,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:41:40,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:40,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:41:40,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:40,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:41:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:40,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-11-06 22:41:40,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:40,539 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 158 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-06 22:41:40,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593679154] [2020-11-06 22:41:40,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789546443] [2020-11-06 22:41:40,540 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 [2020-11-06 22:41:40,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:40,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:41:40,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:41:40,835 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 162 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:41:40,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:41:40,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2020-11-06 22:41:40,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891325795] [2020-11-06 22:41:40,837 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-06 22:41:40,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:41:40,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-06 22:41:40,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-11-06 22:41:40,838 INFO L87 Difference]: Start difference. First operand 2267 states and 2814 transitions. Second operand 11 states. [2020-11-06 22:41:41,015 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-06 22:41:41,731 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-06 22:41:46,206 WARN L194 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-06 22:41:47,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:41:47,123 INFO L93 Difference]: Finished difference Result 3962 states and 5038 transitions. [2020-11-06 22:41:47,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-11-06 22:41:47,124 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 239 [2020-11-06 22:41:47,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:41:47,135 INFO L225 Difference]: With dead ends: 3962 [2020-11-06 22:41:47,135 INFO L226 Difference]: Without dead ends: 2079 [2020-11-06 22:41:47,142 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-11-06 22:41:47,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2079 states. [2020-11-06 22:41:47,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2079 to 2047. [2020-11-06 22:41:47,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2047 states. [2020-11-06 22:41:47,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2047 states to 2047 states and 2437 transitions. [2020-11-06 22:41:47,203 INFO L78 Accepts]: Start accepts. Automaton has 2047 states and 2437 transitions. Word has length 239 [2020-11-06 22:41:47,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:41:47,203 INFO L481 AbstractCegarLoop]: Abstraction has 2047 states and 2437 transitions. [2020-11-06 22:41:47,203 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-06 22:41:47,203 INFO L276 IsEmpty]: Start isEmpty. Operand 2047 states and 2437 transitions. [2020-11-06 22:41:47,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2020-11-06 22:41:47,211 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:41:47,211 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, 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, 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] [2020-11-06 22:41:47,424 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:41:47,425 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:41:47,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:41:47,426 INFO L82 PathProgramCache]: Analyzing trace with hash -620955028, now seen corresponding path program 1 times [2020-11-06 22:41:47,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:41:47,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034055699] [2020-11-06 22:41:47,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:41:47,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:47,638 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-11-06 22:41:47,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:41:47,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:47,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:41:47,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:47,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-11-06 22:41:47,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:48,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-11-06 22:41:48,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:48,542 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 200 proven. 79 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-11-06 22:41:48,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034055699] [2020-11-06 22:41:48,543 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887106411] [2020-11-06 22:41:48,543 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 [2020-11-06 22:41:48,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:48,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:41:48,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:41:48,893 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-11-06 22:41:48,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:41:48,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 12 [2020-11-06 22:41:48,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490514855] [2020-11-06 22:41:48,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:41:48,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:41:48,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:41:48,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-11-06 22:41:48,896 INFO L87 Difference]: Start difference. First operand 2047 states and 2437 transitions. Second operand 3 states. [2020-11-06 22:41:50,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:41:50,944 INFO L93 Difference]: Finished difference Result 4648 states and 5635 transitions. [2020-11-06 22:41:50,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:41:50,944 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 315 [2020-11-06 22:41:50,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:41:50,956 INFO L225 Difference]: With dead ends: 4648 [2020-11-06 22:41:50,956 INFO L226 Difference]: Without dead ends: 2789 [2020-11-06 22:41:50,962 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 320 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-11-06 22:41:50,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2789 states. [2020-11-06 22:41:51,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2789 to 2417. [2020-11-06 22:41:51,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2417 states. [2020-11-06 22:41:51,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2417 states to 2417 states and 2941 transitions. [2020-11-06 22:41:51,029 INFO L78 Accepts]: Start accepts. Automaton has 2417 states and 2941 transitions. Word has length 315 [2020-11-06 22:41:51,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:41:51,030 INFO L481 AbstractCegarLoop]: Abstraction has 2417 states and 2941 transitions. [2020-11-06 22:41:51,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:41:51,030 INFO L276 IsEmpty]: Start isEmpty. Operand 2417 states and 2941 transitions. [2020-11-06 22:41:51,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2020-11-06 22:41:51,038 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:41:51,039 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, 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, 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] [2020-11-06 22:41:51,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:41:51,254 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:41:51,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:41:51,255 INFO L82 PathProgramCache]: Analyzing trace with hash 2120622860, now seen corresponding path program 1 times [2020-11-06 22:41:51,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:41:51,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969874019] [2020-11-06 22:41:51,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:41:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:51,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:41:51,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:51,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:41:51,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:51,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-11-06 22:41:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:52,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-11-06 22:41:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:52,334 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 200 proven. 104 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-11-06 22:41:52,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969874019] [2020-11-06 22:41:52,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407263230] [2020-11-06 22:41:52,335 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 [2020-11-06 22:41:52,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:52,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:41:52,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:41:52,730 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2020-11-06 22:41:52,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:41:52,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 12 [2020-11-06 22:41:52,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032581875] [2020-11-06 22:41:52,732 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:41:52,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:41:52,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:41:52,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-11-06 22:41:52,733 INFO L87 Difference]: Start difference. First operand 2417 states and 2941 transitions. Second operand 3 states. [2020-11-06 22:41:54,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:41:54,723 INFO L93 Difference]: Finished difference Result 5202 states and 6447 transitions. [2020-11-06 22:41:54,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:41:54,724 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 340 [2020-11-06 22:41:54,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:41:54,737 INFO L225 Difference]: With dead ends: 5202 [2020-11-06 22:41:54,738 INFO L226 Difference]: Without dead ends: 2973 [2020-11-06 22:41:54,743 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 345 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-11-06 22:41:54,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2973 states. [2020-11-06 22:41:54,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2973 to 2603. [2020-11-06 22:41:54,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2603 states. [2020-11-06 22:41:54,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2603 states to 2603 states and 3312 transitions. [2020-11-06 22:41:54,817 INFO L78 Accepts]: Start accepts. Automaton has 2603 states and 3312 transitions. Word has length 340 [2020-11-06 22:41:54,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:41:54,818 INFO L481 AbstractCegarLoop]: Abstraction has 2603 states and 3312 transitions. [2020-11-06 22:41:54,818 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:41:54,819 INFO L276 IsEmpty]: Start isEmpty. Operand 2603 states and 3312 transitions. [2020-11-06 22:41:54,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2020-11-06 22:41:54,828 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:41:54,829 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, 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, 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] [2020-11-06 22:41:55,043 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-11-06 22:41:55,044 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:41:55,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:41:55,045 INFO L82 PathProgramCache]: Analyzing trace with hash -210043408, now seen corresponding path program 1 times [2020-11-06 22:41:55,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:41:55,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371910843] [2020-11-06 22:41:55,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:41:55,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:55,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:41:55,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:55,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:41:55,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:55,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-11-06 22:41:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:55,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-11-06 22:41:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:56,283 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 200 proven. 111 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-11-06 22:41:56,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371910843] [2020-11-06 22:41:56,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634688366] [2020-11-06 22:41:56,284 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 [2020-11-06 22:41:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:56,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:41:56,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:41:56,743 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2020-11-06 22:41:56,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:41:56,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 12 [2020-11-06 22:41:56,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017178895] [2020-11-06 22:41:56,745 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:41:56,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:41:56,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:41:56,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-11-06 22:41:56,747 INFO L87 Difference]: Start difference. First operand 2603 states and 3312 transitions. Second operand 3 states. [2020-11-06 22:41:58,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:41:58,417 INFO L93 Difference]: Finished difference Result 2974 states and 3704 transitions. [2020-11-06 22:41:58,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:41:58,420 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 354 [2020-11-06 22:41:58,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:41:58,429 INFO L225 Difference]: With dead ends: 2974 [2020-11-06 22:41:58,429 INFO L226 Difference]: Without dead ends: 2971 [2020-11-06 22:41:58,430 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 359 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-11-06 22:41:58,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2971 states. [2020-11-06 22:41:58,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2971 to 2603. [2020-11-06 22:41:58,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2603 states. [2020-11-06 22:41:58,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2603 states to 2603 states and 3311 transitions. [2020-11-06 22:41:58,505 INFO L78 Accepts]: Start accepts. Automaton has 2603 states and 3311 transitions. Word has length 354 [2020-11-06 22:41:58,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:41:58,506 INFO L481 AbstractCegarLoop]: Abstraction has 2603 states and 3311 transitions. [2020-11-06 22:41:58,506 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:41:58,506 INFO L276 IsEmpty]: Start isEmpty. Operand 2603 states and 3311 transitions. [2020-11-06 22:41:58,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2020-11-06 22:41:58,519 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:41:58,519 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, 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, 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] [2020-11-06 22:41:58,733 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:41:58,733 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:41:58,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:41:58,734 INFO L82 PathProgramCache]: Analyzing trace with hash -1263134036, now seen corresponding path program 1 times [2020-11-06 22:41:58,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:41:58,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430534912] [2020-11-06 22:41:58,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:41:58,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:58,960 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-11-06 22:41:58,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:41:58,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:58,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:41:59,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:59,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-11-06 22:41:59,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:59,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-11-06 22:41:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:59,872 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 200 proven. 111 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-11-06 22:41:59,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430534912] [2020-11-06 22:41:59,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71767715] [2020-11-06 22:41:59,872 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 [2020-11-06 22:42:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:42:00,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:42:00,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:42:00,294 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2020-11-06 22:42:00,294 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:42:00,294 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 12 [2020-11-06 22:42:00,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272634134] [2020-11-06 22:42:00,295 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:42:00,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:42:00,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:42:00,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-11-06 22:42:00,296 INFO L87 Difference]: Start difference. First operand 2603 states and 3311 transitions. Second operand 3 states. [2020-11-06 22:42:01,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:42:01,916 INFO L93 Difference]: Finished difference Result 2787 states and 3506 transitions. [2020-11-06 22:42:01,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:42:01,917 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 388 [2020-11-06 22:42:01,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:42:01,919 INFO L225 Difference]: With dead ends: 2787 [2020-11-06 22:42:01,919 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 22:42:01,925 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 404 GetRequests, 393 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-11-06 22:42:01,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 22:42:01,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 22:42:01,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 22:42:01,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 22:42:01,928 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 388 [2020-11-06 22:42:01,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:42:01,928 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 22:42:01,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:42:01,928 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 22:42:01,929 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 22:42:02,143 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:42:02,148 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 22:42:02,300 WARN L194 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 117 [2020-11-06 22:42:02,438 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 94 [2020-11-06 22:42:02,565 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 97 [2020-11-06 22:42:02,881 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 117 [2020-11-06 22:42:03,326 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 24 [2020-11-06 22:42:03,494 WARN L194 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 22 [2020-11-06 22:42:05,396 WARN L194 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 185 DAG size of output: 35 [2020-11-06 22:42:05,785 WARN L194 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 24 [2020-11-06 22:42:05,908 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-11-06 22:42:06,451 WARN L194 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 22 [2020-11-06 22:42:06,455 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-11-06 22:42:06,455 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-11-06 22:42:06,455 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-11-06 22:42:06,455 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-06 22:42:06,455 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:42:06,456 INFO L262 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)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a15~0 |old(~a15~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~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)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string7.base| |old(#t~string7.base)|)) [2020-11-06 22:42:06,456 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:42:06,456 INFO L266 CegarLoopResult]: For program point L696(lines 696 872) no Hoare annotation was computed. [2020-11-06 22:42:06,456 INFO L266 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-11-06 22:42:06,456 INFO L266 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-11-06 22:42:06,456 INFO L266 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-11-06 22:42:06,456 INFO L266 CegarLoopResult]: For program point L301(lines 301 872) no Hoare annotation was computed. [2020-11-06 22:42:06,456 INFO L266 CegarLoopResult]: For program point L434(lines 434 872) no Hoare annotation was computed. [2020-11-06 22:42:06,457 INFO L266 CegarLoopResult]: For program point L368(lines 368 872) no Hoare annotation was computed. [2020-11-06 22:42:06,457 INFO L266 CegarLoopResult]: For program point L170-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,457 INFO L266 CegarLoopResult]: For program point L104-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,457 INFO L266 CegarLoopResult]: For program point L38-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,457 INFO L266 CegarLoopResult]: For program point L237(lines 237 872) no Hoare annotation was computed. [2020-11-06 22:42:06,457 INFO L266 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-11-06 22:42:06,458 INFO L266 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-11-06 22:42:06,458 INFO L266 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-11-06 22:42:06,458 INFO L266 CegarLoopResult]: For program point L766(lines 766 872) no Hoare annotation was computed. [2020-11-06 22:42:06,458 INFO L266 CegarLoopResult]: For program point L634(lines 634 872) no Hoare annotation was computed. [2020-11-06 22:42:06,458 INFO L266 CegarLoopResult]: For program point L502(lines 502 872) no Hoare annotation was computed. [2020-11-06 22:42:06,458 INFO L266 CegarLoopResult]: For program point L833(lines 833 872) no Hoare annotation was computed. [2020-11-06 22:42:06,458 INFO L266 CegarLoopResult]: For program point L173-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,459 INFO L266 CegarLoopResult]: For program point L107-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,459 INFO L266 CegarLoopResult]: For program point L41-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,459 INFO L266 CegarLoopResult]: For program point L702(lines 702 872) no Hoare annotation was computed. [2020-11-06 22:42:06,460 INFO L266 CegarLoopResult]: For program point L570(lines 570 872) no Hoare annotation was computed. [2020-11-06 22:42:06,460 INFO L266 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-11-06 22:42:06,460 INFO L266 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-11-06 22:42:06,460 INFO L266 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-11-06 22:42:06,460 INFO L266 CegarLoopResult]: For program point L307(lines 307 872) no Hoare annotation was computed. [2020-11-06 22:42:06,460 INFO L266 CegarLoopResult]: For program point L440(lines 440 872) no Hoare annotation was computed. [2020-11-06 22:42:06,461 INFO L266 CegarLoopResult]: For program point L374(lines 374 872) no Hoare annotation was computed. [2020-11-06 22:42:06,461 INFO L266 CegarLoopResult]: For program point L176-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,461 INFO L266 CegarLoopResult]: For program point L110-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,461 INFO L266 CegarLoopResult]: For program point L44-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,463 INFO L266 CegarLoopResult]: For program point L243(lines 243 872) no Hoare annotation was computed. [2020-11-06 22:42:06,463 INFO L266 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-11-06 22:42:06,463 INFO L266 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-11-06 22:42:06,463 INFO L266 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-11-06 22:42:06,463 INFO L266 CegarLoopResult]: For program point L640(lines 640 872) no Hoare annotation was computed. [2020-11-06 22:42:06,463 INFO L266 CegarLoopResult]: For program point L508(lines 508 872) no Hoare annotation was computed. [2020-11-06 22:42:06,464 INFO L266 CegarLoopResult]: For program point L839(lines 839 872) no Hoare annotation was computed. [2020-11-06 22:42:06,464 INFO L266 CegarLoopResult]: For program point L773(lines 773 872) no Hoare annotation was computed. [2020-11-06 22:42:06,464 INFO L266 CegarLoopResult]: For program point L575(lines 575 872) no Hoare annotation was computed. [2020-11-06 22:42:06,464 INFO L266 CegarLoopResult]: For program point L179-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,464 INFO L266 CegarLoopResult]: For program point L113-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,464 INFO L266 CegarLoopResult]: For program point L47-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,464 INFO L266 CegarLoopResult]: For program point L708(lines 708 872) no Hoare annotation was computed. [2020-11-06 22:42:06,464 INFO L266 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-11-06 22:42:06,464 INFO L266 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-11-06 22:42:06,464 INFO L266 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-11-06 22:42:06,465 INFO L266 CegarLoopResult]: For program point L313(lines 313 872) no Hoare annotation was computed. [2020-11-06 22:42:06,465 INFO L266 CegarLoopResult]: For program point L446(lines 446 872) no Hoare annotation was computed. [2020-11-06 22:42:06,465 INFO L266 CegarLoopResult]: For program point L380(lines 380 872) no Hoare annotation was computed. [2020-11-06 22:42:06,465 INFO L266 CegarLoopResult]: For program point L182-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,466 INFO L266 CegarLoopResult]: For program point L116-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,467 INFO L266 CegarLoopResult]: For program point L50-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,467 INFO L266 CegarLoopResult]: For program point L249(lines 249 872) no Hoare annotation was computed. [2020-11-06 22:42:06,467 INFO L266 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-11-06 22:42:06,467 INFO L266 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-11-06 22:42:06,467 INFO L266 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-11-06 22:42:06,467 INFO L266 CegarLoopResult]: For program point L844(lines 844 872) no Hoare annotation was computed. [2020-11-06 22:42:06,467 INFO L266 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,467 INFO L266 CegarLoopResult]: For program point L646(lines 646 872) no Hoare annotation was computed. [2020-11-06 22:42:06,468 INFO L266 CegarLoopResult]: For program point L514(lines 514 872) no Hoare annotation was computed. [2020-11-06 22:42:06,468 INFO L266 CegarLoopResult]: For program point L779(lines 779 872) no Hoare annotation was computed. [2020-11-06 22:42:06,468 INFO L266 CegarLoopResult]: For program point L581(lines 581 872) no Hoare annotation was computed. [2020-11-06 22:42:06,468 INFO L266 CegarLoopResult]: For program point L185-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,468 INFO L266 CegarLoopResult]: For program point L119-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,468 INFO L266 CegarLoopResult]: For program point L53-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,468 INFO L266 CegarLoopResult]: For program point L714(lines 714 872) no Hoare annotation was computed. [2020-11-06 22:42:06,468 INFO L266 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-11-06 22:42:06,468 INFO L266 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-11-06 22:42:06,468 INFO L266 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-11-06 22:42:06,469 INFO L266 CegarLoopResult]: For program point L451(lines 451 872) no Hoare annotation was computed. [2020-11-06 22:42:06,469 INFO L266 CegarLoopResult]: For program point L319(lines 319 872) no Hoare annotation was computed. [2020-11-06 22:42:06,469 INFO L266 CegarLoopResult]: For program point L386(lines 386 872) no Hoare annotation was computed. [2020-11-06 22:42:06,469 INFO L266 CegarLoopResult]: For program point L254(lines 254 872) no Hoare annotation was computed. [2020-11-06 22:42:06,469 INFO L266 CegarLoopResult]: For program point L188-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,470 INFO L266 CegarLoopResult]: For program point L122-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,470 INFO L266 CegarLoopResult]: For program point L56-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,470 INFO L266 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-11-06 22:42:06,470 INFO L266 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-11-06 22:42:06,470 INFO L266 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-11-06 22:42:06,470 INFO L266 CegarLoopResult]: For program point L850(lines 850 872) no Hoare annotation was computed. [2020-11-06 22:42:06,470 INFO L266 CegarLoopResult]: For program point L652(lines 652 872) no Hoare annotation was computed. [2020-11-06 22:42:06,470 INFO L266 CegarLoopResult]: For program point L520(lines 520 872) no Hoare annotation was computed. [2020-11-06 22:42:06,470 INFO L266 CegarLoopResult]: For program point L785(lines 785 872) no Hoare annotation was computed. [2020-11-06 22:42:06,471 INFO L266 CegarLoopResult]: For program point L587(lines 587 872) no Hoare annotation was computed. [2020-11-06 22:42:06,471 INFO L266 CegarLoopResult]: For program point L191-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,471 INFO L266 CegarLoopResult]: For program point L125-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,471 INFO L266 CegarLoopResult]: For program point L59-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,471 INFO L266 CegarLoopResult]: For program point L720(lines 720 872) no Hoare annotation was computed. [2020-11-06 22:42:06,472 INFO L262 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 874) the Hoare annotation is: (let ((.cse0 (and (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|)))) (and (or .cse0 (not (<= |old(~a15~0)| 5))) (or (and (not (<= 8 |old(~a21~0)|)) (not (<= |old(~a21~0)| 6)) (not (<= (+ |old(~a12~0)| 49) 0)) (not (<= 7 |old(~a15~0)|))) .cse0))) [2020-11-06 22:42:06,472 INFO L266 CegarLoopResult]: For program point L456(lines 456 872) no Hoare annotation was computed. [2020-11-06 22:42:06,472 INFO L266 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-11-06 22:42:06,472 INFO L266 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-11-06 22:42:06,472 INFO L266 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-11-06 22:42:06,473 INFO L266 CegarLoopResult]: For program point L325(lines 325 872) no Hoare annotation was computed. [2020-11-06 22:42:06,473 INFO L266 CegarLoopResult]: For program point L392(lines 392 872) no Hoare annotation was computed. [2020-11-06 22:42:06,473 INFO L266 CegarLoopResult]: For program point L260(lines 260 872) no Hoare annotation was computed. [2020-11-06 22:42:06,473 INFO L266 CegarLoopResult]: For program point L194-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,473 INFO L266 CegarLoopResult]: For program point L128-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,475 INFO L266 CegarLoopResult]: For program point L62-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,475 INFO L266 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-11-06 22:42:06,475 INFO L266 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-11-06 22:42:06,475 INFO L266 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-11-06 22:42:06,475 INFO L266 CegarLoopResult]: For program point L856(lines 856 872) no Hoare annotation was computed. [2020-11-06 22:42:06,475 INFO L266 CegarLoopResult]: For program point L658(lines 658 872) no Hoare annotation was computed. [2020-11-06 22:42:06,475 INFO L266 CegarLoopResult]: For program point L526(lines 526 872) no Hoare annotation was computed. [2020-11-06 22:42:06,476 INFO L266 CegarLoopResult]: For program point L791(lines 791 872) no Hoare annotation was computed. [2020-11-06 22:42:06,476 INFO L266 CegarLoopResult]: For program point L593(lines 593 872) no Hoare annotation was computed. [2020-11-06 22:42:06,476 INFO L266 CegarLoopResult]: For program point L197-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,476 INFO L266 CegarLoopResult]: For program point L131-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,476 INFO L266 CegarLoopResult]: For program point L65-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,476 INFO L266 CegarLoopResult]: For program point L726(lines 726 872) no Hoare annotation was computed. [2020-11-06 22:42:06,476 INFO L266 CegarLoopResult]: For program point L462(lines 462 872) no Hoare annotation was computed. [2020-11-06 22:42:06,476 INFO L266 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-11-06 22:42:06,476 INFO L266 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-11-06 22:42:06,476 INFO L266 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-11-06 22:42:06,477 INFO L266 CegarLoopResult]: For program point L331(lines 331 872) no Hoare annotation was computed. [2020-11-06 22:42:06,477 INFO L266 CegarLoopResult]: For program point L398(lines 398 872) no Hoare annotation was computed. [2020-11-06 22:42:06,477 INFO L266 CegarLoopResult]: For program point L266(lines 266 872) no Hoare annotation was computed. [2020-11-06 22:42:06,477 INFO L266 CegarLoopResult]: For program point L200-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,477 INFO L266 CegarLoopResult]: For program point L134-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,477 INFO L266 CegarLoopResult]: For program point L68-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,477 INFO L266 CegarLoopResult]: For program point L861(lines 861 872) no Hoare annotation was computed. [2020-11-06 22:42:06,477 INFO L266 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-11-06 22:42:06,477 INFO L262 CegarLoopResult]: At program point L135(line 135) the Hoare annotation is: (and (not (<= 8 |old(~a21~0)|)) (not (<= |old(~a21~0)| 6)) (not (<= (+ |old(~a12~0)| 49) 0)) (not (<= 7 |old(~a15~0)|)) (not (<= |old(~a15~0)| 5))) [2020-11-06 22:42:06,477 INFO L266 CegarLoopResult]: For program point L135-1(line 135) no Hoare annotation was computed. [2020-11-06 22:42:06,478 INFO L266 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-11-06 22:42:06,478 INFO L266 CegarLoopResult]: For program point L664(lines 664 872) no Hoare annotation was computed. [2020-11-06 22:42:06,478 INFO L266 CegarLoopResult]: For program point L532(lines 532 872) no Hoare annotation was computed. [2020-11-06 22:42:06,478 INFO L266 CegarLoopResult]: For program point L797(lines 797 872) no Hoare annotation was computed. [2020-11-06 22:42:06,478 INFO L266 CegarLoopResult]: For program point L599(lines 599 872) no Hoare annotation was computed. [2020-11-06 22:42:06,478 INFO L266 CegarLoopResult]: For program point L203-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,478 INFO L266 CegarLoopResult]: For program point L137-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,478 INFO L266 CegarLoopResult]: For program point L71-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,478 INFO L266 CegarLoopResult]: For program point L732(lines 732 872) no Hoare annotation was computed. [2020-11-06 22:42:06,478 INFO L266 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-11-06 22:42:06,478 INFO L266 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-11-06 22:42:06,479 INFO L266 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-11-06 22:42:06,479 INFO L266 CegarLoopResult]: For program point L469(lines 469 872) no Hoare annotation was computed. [2020-11-06 22:42:06,479 INFO L266 CegarLoopResult]: For program point L337(lines 337 872) no Hoare annotation was computed. [2020-11-06 22:42:06,479 INFO L266 CegarLoopResult]: For program point L271(lines 271 872) no Hoare annotation was computed. [2020-11-06 22:42:06,479 INFO L266 CegarLoopResult]: For program point L404(lines 404 872) no Hoare annotation was computed. [2020-11-06 22:42:06,479 INFO L266 CegarLoopResult]: For program point L140-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,479 INFO L266 CegarLoopResult]: For program point L74-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,479 INFO L266 CegarLoopResult]: For program point L867(lines 867 872) no Hoare annotation was computed. [2020-11-06 22:42:06,479 INFO L266 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-11-06 22:42:06,479 INFO L266 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-11-06 22:42:06,480 INFO L266 CegarLoopResult]: For program point L670(lines 670 872) no Hoare annotation was computed. [2020-11-06 22:42:06,480 INFO L266 CegarLoopResult]: For program point L538(lines 538 872) no Hoare annotation was computed. [2020-11-06 22:42:06,480 INFO L266 CegarLoopResult]: For program point L803(lines 803 872) no Hoare annotation was computed. [2020-11-06 22:42:06,480 INFO L266 CegarLoopResult]: For program point L737(lines 737 872) no Hoare annotation was computed. [2020-11-06 22:42:06,480 INFO L266 CegarLoopResult]: For program point L605(lines 605 872) no Hoare annotation was computed. [2020-11-06 22:42:06,480 INFO L266 CegarLoopResult]: For program point L143-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,480 INFO L266 CegarLoopResult]: For program point L77-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,480 INFO L266 CegarLoopResult]: For program point L474(lines 474 872) no Hoare annotation was computed. [2020-11-06 22:42:06,480 INFO L266 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-11-06 22:42:06,480 INFO L266 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-11-06 22:42:06,480 INFO L266 CegarLoopResult]: For program point L343(lines 343 872) no Hoare annotation was computed. [2020-11-06 22:42:06,481 INFO L266 CegarLoopResult]: For program point L277(lines 277 872) no Hoare annotation was computed. [2020-11-06 22:42:06,481 INFO L266 CegarLoopResult]: For program point L410(lines 410 872) no Hoare annotation was computed. [2020-11-06 22:42:06,481 INFO L266 CegarLoopResult]: For program point L146-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,481 INFO L266 CegarLoopResult]: For program point L80-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,482 INFO L266 CegarLoopResult]: For program point L543(lines 543 872) no Hoare annotation was computed. [2020-11-06 22:42:06,482 INFO L266 CegarLoopResult]: For program point L213(lines 213 872) no Hoare annotation was computed. [2020-11-06 22:42:06,482 INFO L266 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-11-06 22:42:06,482 INFO L266 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-11-06 22:42:06,482 INFO L266 CegarLoopResult]: For program point L676(lines 676 872) no Hoare annotation was computed. [2020-11-06 22:42:06,482 INFO L266 CegarLoopResult]: For program point L809(lines 809 872) no Hoare annotation was computed. [2020-11-06 22:42:06,482 INFO L266 CegarLoopResult]: For program point L743(lines 743 872) no Hoare annotation was computed. [2020-11-06 22:42:06,482 INFO L266 CegarLoopResult]: For program point L611(lines 611 872) no Hoare annotation was computed. [2020-11-06 22:42:06,482 INFO L266 CegarLoopResult]: For program point L149-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,483 INFO L266 CegarLoopResult]: For program point L83-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,483 INFO L266 CegarLoopResult]: For program point L480(lines 480 872) no Hoare annotation was computed. [2020-11-06 22:42:06,483 INFO L266 CegarLoopResult]: For program point L282(lines 282 872) no Hoare annotation was computed. [2020-11-06 22:42:06,483 INFO L266 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-11-06 22:42:06,483 INFO L266 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-11-06 22:42:06,483 INFO L266 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,483 INFO L266 CegarLoopResult]: For program point L679(lines 679 872) no Hoare annotation was computed. [2020-11-06 22:42:06,483 INFO L266 CegarLoopResult]: For program point L349(lines 349 872) no Hoare annotation was computed. [2020-11-06 22:42:06,483 INFO L266 CegarLoopResult]: For program point L416(lines 416 872) no Hoare annotation was computed. [2020-11-06 22:42:06,483 INFO L266 CegarLoopResult]: For program point L152-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,484 INFO L266 CegarLoopResult]: For program point L86-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,484 INFO L266 CegarLoopResult]: For program point L549(lines 549 872) no Hoare annotation was computed. [2020-11-06 22:42:06,484 INFO L266 CegarLoopResult]: For program point L219(lines 219 872) no Hoare annotation was computed. [2020-11-06 22:42:06,484 INFO L266 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-11-06 22:42:06,484 INFO L266 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-11-06 22:42:06,484 INFO L266 CegarLoopResult]: For program point L749(lines 749 872) no Hoare annotation was computed. [2020-11-06 22:42:06,484 INFO L266 CegarLoopResult]: For program point L617(lines 617 872) no Hoare annotation was computed. [2020-11-06 22:42:06,484 INFO L266 CegarLoopResult]: For program point L155-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,484 INFO L266 CegarLoopResult]: For program point L89-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,484 INFO L266 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-11-06 22:42:06,484 INFO L266 CegarLoopResult]: For program point L23-2(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,485 INFO L266 CegarLoopResult]: For program point L816(lines 816 872) no Hoare annotation was computed. [2020-11-06 22:42:06,485 INFO L266 CegarLoopResult]: For program point L486(lines 486 872) no Hoare annotation was computed. [2020-11-06 22:42:06,485 INFO L266 CegarLoopResult]: For program point L288(lines 288 872) no Hoare annotation was computed. [2020-11-06 22:42:06,485 INFO L266 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-11-06 22:42:06,485 INFO L266 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-11-06 22:42:06,485 INFO L266 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-11-06 22:42:06,485 INFO L266 CegarLoopResult]: For program point L685(lines 685 872) no Hoare annotation was computed. [2020-11-06 22:42:06,485 INFO L266 CegarLoopResult]: For program point L355(lines 355 872) no Hoare annotation was computed. [2020-11-06 22:42:06,485 INFO L266 CegarLoopResult]: For program point L554(lines 554 872) no Hoare annotation was computed. [2020-11-06 22:42:06,485 INFO L266 CegarLoopResult]: For program point L422(lines 422 872) no Hoare annotation was computed. [2020-11-06 22:42:06,485 INFO L266 CegarLoopResult]: For program point L158-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,486 INFO L266 CegarLoopResult]: For program point L92-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,486 INFO L266 CegarLoopResult]: For program point L26-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,486 INFO L266 CegarLoopResult]: For program point L225(lines 225 872) no Hoare annotation was computed. [2020-11-06 22:42:06,486 INFO L266 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-11-06 22:42:06,486 INFO L266 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-11-06 22:42:06,486 INFO L266 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-11-06 22:42:06,486 INFO L266 CegarLoopResult]: For program point L754(lines 754 872) no Hoare annotation was computed. [2020-11-06 22:42:06,486 INFO L266 CegarLoopResult]: For program point L821(lines 821 872) no Hoare annotation was computed. [2020-11-06 22:42:06,486 INFO L266 CegarLoopResult]: For program point L623(lines 623 872) no Hoare annotation was computed. [2020-11-06 22:42:06,486 INFO L266 CegarLoopResult]: For program point L557(lines 557 872) no Hoare annotation was computed. [2020-11-06 22:42:06,487 INFO L266 CegarLoopResult]: For program point L161-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,487 INFO L266 CegarLoopResult]: For program point L95-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,489 INFO L266 CegarLoopResult]: For program point L29-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,489 INFO L266 CegarLoopResult]: For program point L690(lines 690 872) no Hoare annotation was computed. [2020-11-06 22:42:06,489 INFO L266 CegarLoopResult]: For program point L492(lines 492 872) no Hoare annotation was computed. [2020-11-06 22:42:06,489 INFO L266 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-11-06 22:42:06,489 INFO L266 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-11-06 22:42:06,489 INFO L266 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-11-06 22:42:06,490 INFO L266 CegarLoopResult]: For program point L361(lines 361 872) no Hoare annotation was computed. [2020-11-06 22:42:06,490 INFO L266 CegarLoopResult]: For program point L295(lines 295 872) no Hoare annotation was computed. [2020-11-06 22:42:06,490 INFO L266 CegarLoopResult]: For program point L428(lines 428 872) no Hoare annotation was computed. [2020-11-06 22:42:06,490 INFO L266 CegarLoopResult]: For program point L164-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,490 INFO L266 CegarLoopResult]: For program point L98-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,490 INFO L266 CegarLoopResult]: For program point L32-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,490 INFO L266 CegarLoopResult]: For program point L231(lines 231 872) no Hoare annotation was computed. [2020-11-06 22:42:06,490 INFO L266 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-11-06 22:42:06,490 INFO L266 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-11-06 22:42:06,490 INFO L266 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-11-06 22:42:06,490 INFO L266 CegarLoopResult]: For program point L760(lines 760 872) no Hoare annotation was computed. [2020-11-06 22:42:06,491 INFO L266 CegarLoopResult]: For program point L628(lines 628 872) no Hoare annotation was computed. [2020-11-06 22:42:06,491 INFO L266 CegarLoopResult]: For program point L827(lines 827 872) no Hoare annotation was computed. [2020-11-06 22:42:06,491 INFO L266 CegarLoopResult]: For program point L563(lines 563 872) no Hoare annotation was computed. [2020-11-06 22:42:06,491 INFO L266 CegarLoopResult]: For program point L497(lines 497 872) no Hoare annotation was computed. [2020-11-06 22:42:06,491 INFO L266 CegarLoopResult]: For program point L167-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,492 INFO L266 CegarLoopResult]: For program point L101-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,493 INFO L266 CegarLoopResult]: For program point L35-1(lines 22 874) no Hoare annotation was computed. [2020-11-06 22:42:06,493 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:42:06,493 INFO L262 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= (+ ~a12~0 49) 0) (= ~a15~0 8)) [2020-11-06 22:42:06,493 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 22:42:06,493 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:42:06,494 INFO L262 CegarLoopResult]: At program point mainENTRY(lines 876 892) the Hoare annotation is: (or (not (= 8 |old(~a15~0)|)) (and (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a15~0 8) (= ~a12~0 |old(~a12~0)|)) (not (<= (+ |old(~a12~0)| 49) 0))) [2020-11-06 22:42:06,494 INFO L262 CegarLoopResult]: At program point L890(line 890) the Hoare annotation is: (or (<= ~a15~0 5) (<= (+ ~a12~0 49) 0) (<= 7 ~a15~0) (<= 8 ~a21~0) (not (= 8 |old(~a15~0)|)) (not (<= (+ |old(~a12~0)| 49) 0)) (<= ~a21~0 6)) [2020-11-06 22:42:06,494 INFO L266 CegarLoopResult]: For program point L890-1(line 890) no Hoare annotation was computed. [2020-11-06 22:42:06,494 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 876 892) no Hoare annotation was computed. [2020-11-06 22:42:06,496 INFO L266 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-11-06 22:42:06,497 INFO L262 CegarLoopResult]: At program point L882-2(lines 882 891) the Hoare annotation is: (or (<= ~a15~0 5) (<= (+ ~a12~0 49) 0) (<= 7 ~a15~0) (<= 8 ~a21~0) (not (= 8 |old(~a15~0)|)) (not (<= (+ |old(~a12~0)| 49) 0)) (<= ~a21~0 6)) [2020-11-06 22:42:06,497 INFO L266 CegarLoopResult]: For program point L882-3(lines 876 892) no Hoare annotation was computed. [2020-11-06 22:42:06,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:42:06 BoogieIcfgContainer [2020-11-06 22:42:06,530 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:42:06,531 INFO L168 Benchmark]: Toolchain (without parser) took 65706.75 ms. Allocated memory was 167.8 MB in the beginning and 602.9 MB in the end (delta: 435.2 MB). Free memory was 147.5 MB in the beginning and 367.2 MB in the end (delta: -219.7 MB). Peak memory consumption was 366.7 MB. Max. memory is 8.0 GB. [2020-11-06 22:42:06,532 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 167.8 MB. Free memory is still 138.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:42:06,532 INFO L168 Benchmark]: CACSL2BoogieTranslator took 918.45 ms. Allocated memory is still 167.8 MB. Free memory was 147.0 MB in the beginning and 136.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 23.9 MB. Max. memory is 8.0 GB. [2020-11-06 22:42:06,533 INFO L168 Benchmark]: Boogie Preprocessor took 158.79 ms. Allocated memory is still 167.8 MB. Free memory was 136.5 MB in the beginning and 131.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-11-06 22:42:06,534 INFO L168 Benchmark]: RCFGBuilder took 1920.66 ms. Allocated memory was 167.8 MB in the beginning and 221.2 MB in the end (delta: 53.5 MB). Free memory was 130.7 MB in the beginning and 186.0 MB in the end (delta: -55.2 MB). Peak memory consumption was 70.0 MB. Max. memory is 8.0 GB. [2020-11-06 22:42:06,534 INFO L168 Benchmark]: TraceAbstraction took 62696.73 ms. Allocated memory was 221.2 MB in the beginning and 602.9 MB in the end (delta: 381.7 MB). Free memory was 185.5 MB in the beginning and 367.2 MB in the end (delta: -181.7 MB). Peak memory consumption was 350.9 MB. Max. memory is 8.0 GB. [2020-11-06 22:42:06,537 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 167.8 MB. Free memory is still 138.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 918.45 ms. Allocated memory is still 167.8 MB. Free memory was 147.0 MB in the beginning and 136.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 23.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 158.79 ms. Allocated memory is still 167.8 MB. Free memory was 136.5 MB in the beginning and 131.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1920.66 ms. Allocated memory was 167.8 MB in the beginning and 221.2 MB in the end (delta: 53.5 MB). Free memory was 130.7 MB in the beginning and 186.0 MB in the end (delta: -55.2 MB). Peak memory consumption was 70.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 62696.73 ms. Allocated memory was 221.2 MB in the beginning and 602.9 MB in the end (delta: 381.7 MB). Free memory was 185.5 MB in the beginning and 367.2 MB in the end (delta: -181.7 MB). Peak memory consumption was 350.9 MB. Max. memory is 8.0 GB. * 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 Derived loop invariant: (((((a15 <= 5 || a12 + 49 <= 0) || 7 <= a15) || 8 <= a21) || !(8 == \old(a15))) || !(\old(a12) + 49 <= 0)) || a21 <= 6 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 258 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 58.2s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 43.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1707 SDtfs, 4436 SDslu, 402 SDs, 0 SdLazy, 13596 SolverSat, 2200 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 30.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2712 GetRequests, 2590 SyntacticMatches, 7 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 5.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2645occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 11 MinimizatonAttempts, 2804 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 209 PreInvPairs, 267 NumberOfFragments, 227 HoareAnnotationTreeSize, 209 FomulaSimplifications, 186661 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 9 FomulaSimplificationsInter, 11578 FormulaSimplificationTreeSizeReductionInter, 3.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 7.0s InterpolantComputationTime, 5100 NumberOfCodeBlocks, 5100 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 5079 ConstructedInterpolants, 0 QuantifiedInterpolants, 5144522 SizeOfPredicates, 14 NumberOfNonLiveVariables, 5052 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 21 InterpolantComputations, 8 PerfectInterpolantSequences, 3837/4258 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...