/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/geo3-ll_valuebound50.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-6253b08 [2021-05-06 08:44:43,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-06 08:44:43,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-06 08:44:43,033 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-06 08:44:43,033 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-06 08:44:43,034 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-06 08:44:43,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-06 08:44:43,039 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-06 08:44:43,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-06 08:44:43,040 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-06 08:44:43,041 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-06 08:44:43,042 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-06 08:44:43,042 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-06 08:44:43,043 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-06 08:44:43,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-06 08:44:43,044 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-06 08:44:43,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-06 08:44:43,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-06 08:44:43,046 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-06 08:44:43,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-06 08:44:43,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-06 08:44:43,058 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-06 08:44:43,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-06 08:44:43,061 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-06 08:44:43,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-06 08:44:43,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-06 08:44:43,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-06 08:44:43,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-06 08:44:43,079 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2021-05-06 08:44:43,091 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-06 08:44:43,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-06 08:44:43,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-06 08:44:43,093 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-06 08:44:43,093 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-06 08:44:43,093 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-06 08:44:43,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-06 08:44:43,094 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-06 08:44:43,094 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-06 08:44:43,094 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-06 08:44:43,095 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-06 08:44:43,095 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-06 08:44:43,095 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-06 08:44:43,095 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-06 08:44:43,095 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-06 08:44:43,095 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-06 08:44:43,095 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-06 08:44:43,096 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-06 08:44:43,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-06 08:44:43,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-06 08:44:43,096 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-06 08:44:43,097 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-05-06 08:44:43,097 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2021-05-06 08:44:43,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-06 08:44:43,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-06 08:44:43,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-06 08:44:43,466 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-06 08:44:43,467 INFO L275 PluginConnector]: CDTParser initialized [2021-05-06 08:44:43,467 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/geo3-ll_valuebound50.c [2021-05-06 08:44:43,508 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e54ea9433/ce99d07a2d8b4fa897f6bc6219d27fdd/FLAG199bff75e [2021-05-06 08:44:43,852 INFO L306 CDTParser]: Found 1 translation units. [2021-05-06 08:44:43,852 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/geo3-ll_valuebound50.c [2021-05-06 08:44:43,866 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e54ea9433/ce99d07a2d8b4fa897f6bc6219d27fdd/FLAG199bff75e [2021-05-06 08:44:43,876 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e54ea9433/ce99d07a2d8b4fa897f6bc6219d27fdd [2021-05-06 08:44:43,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-06 08:44:43,878 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-05-06 08:44:43,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-06 08:44:43,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-06 08:44:43,881 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-06 08:44:43,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 08:44:43" (1/1) ... [2021-05-06 08:44:43,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ef73359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:44:43, skipping insertion in model container [2021-05-06 08:44:43,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 08:44:43" (1/1) ... [2021-05-06 08:44:43,886 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-06 08:44:43,894 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-06 08:44:43,964 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/geo3-ll_valuebound50.c[525,538] [2021-05-06 08:44:43,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-06 08:44:43,977 INFO L203 MainTranslator]: Completed pre-run [2021-05-06 08:44:44,011 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/geo3-ll_valuebound50.c[525,538] [2021-05-06 08:44:44,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-06 08:44:44,043 INFO L208 MainTranslator]: Completed translation [2021-05-06 08:44:44,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:44:44 WrapperNode [2021-05-06 08:44:44,044 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-06 08:44:44,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-06 08:44:44,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-06 08:44:44,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-06 08:44:44,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:44:44" (1/1) ... [2021-05-06 08:44:44,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:44:44" (1/1) ... [2021-05-06 08:44:44,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:44:44" (1/1) ... [2021-05-06 08:44:44,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:44:44" (1/1) ... [2021-05-06 08:44:44,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:44:44" (1/1) ... [2021-05-06 08:44:44,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:44:44" (1/1) ... [2021-05-06 08:44:44,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:44:44" (1/1) ... [2021-05-06 08:44:44,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-06 08:44:44,073 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-06 08:44:44,074 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-06 08:44:44,074 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-06 08:44:44,074 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:44:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-06 08:44:44,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-05-06 08:44:44,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-06 08:44:44,198 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-05-06 08:44:44,198 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-05-06 08:44:44,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-05-06 08:44:44,199 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-05-06 08:44:44,199 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-05-06 08:44:44,199 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-05-06 08:44:44,199 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-05-06 08:44:44,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-06 08:44:44,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-05-06 08:44:44,199 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-05-06 08:44:44,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-05-06 08:44:44,200 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-05-06 08:44:44,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-05-06 08:44:44,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-06 08:44:44,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-06 08:44:44,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-06 08:44:44,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-06 08:44:44,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-06 08:44:44,416 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-06 08:44:44,417 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-05-06 08:44:44,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 08:44:44 BoogieIcfgContainer [2021-05-06 08:44:44,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-06 08:44:44,418 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2021-05-06 08:44:44,418 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2021-05-06 08:44:44,419 INFO L275 PluginConnector]: IcfgTransformer initialized [2021-05-06 08:44:44,420 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 08:44:44" (1/1) ... [2021-05-06 08:44:44,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 06.05 08:44:44 BasicIcfg [2021-05-06 08:44:44,445 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2021-05-06 08:44:44,446 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-06 08:44:44,446 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-06 08:44:44,447 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-06 08:44:44,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.05 08:44:43" (1/4) ... [2021-05-06 08:44:44,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@734d6a6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 08:44:44, skipping insertion in model container [2021-05-06 08:44:44,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:44:44" (2/4) ... [2021-05-06 08:44:44,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@734d6a6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 08:44:44, skipping insertion in model container [2021-05-06 08:44:44,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 08:44:44" (3/4) ... [2021-05-06 08:44:44,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@734d6a6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.05 08:44:44, skipping insertion in model container [2021-05-06 08:44:44,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 06.05 08:44:44" (4/4) ... [2021-05-06 08:44:44,449 INFO L111 eAbstractionObserver]: Analyzing ICFG geo3-ll_valuebound50.cJordan [2021-05-06 08:44:44,452 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2021-05-06 08:44:44,454 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-06 08:44:44,476 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-06 08:44:44,487 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-06 08:44:44,487 INFO L377 AbstractCegarLoop]: Hoare is false [2021-05-06 08:44:44,487 INFO L378 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2021-05-06 08:44:44,487 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-06 08:44:44,487 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-06 08:44:44,487 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-06 08:44:44,487 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-06 08:44:44,487 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-06 08:44:44,512 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-05-06 08:44:44,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-05-06 08:44:44,516 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 08:44:44,516 INFO L523 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 08:44:44,517 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 08:44:44,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 08:44:44,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1338008438, now seen corresponding path program 1 times [2021-05-06 08:44:44,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 08:44:44,541 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526026226] [2021-05-06 08:44:44,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 08:44:44,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 08:44:44,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 08:44:44,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 08:44:44,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-05-06 08:44:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 08:44:44,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-05-06 08:44:44,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 08:44:44,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-05-06 08:44:44,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 08:44:44,762 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-05-06 08:44:44,762 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 08:44:44,762 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526026226] [2021-05-06 08:44:44,763 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526026226] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 08:44:44,763 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 08:44:44,763 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-06 08:44:44,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658890912] [2021-05-06 08:44:44,768 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-06 08:44:44,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 08:44:44,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-06 08:44:44,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-06 08:44:44,777 INFO L87 Difference]: Start difference. First operand has 31 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-05-06 08:44:44,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 08:44:44,863 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2021-05-06 08:44:44,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-06 08:44:44,866 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 29 [2021-05-06 08:44:44,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 08:44:44,871 INFO L225 Difference]: With dead ends: 31 [2021-05-06 08:44:44,871 INFO L226 Difference]: Without dead ends: 26 [2021-05-06 08:44:44,875 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 44.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-06 08:44:44,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-05-06 08:44:44,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-05-06 08:44:44,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 16 states have internal predecessors, (17), 7 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-05-06 08:44:44,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2021-05-06 08:44:44,898 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 29 [2021-05-06 08:44:44,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 08:44:44,899 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2021-05-06 08:44:44,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-05-06 08:44:44,899 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2021-05-06 08:44:44,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-05-06 08:44:44,900 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 08:44:44,900 INFO L523 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 08:44:44,900 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-06 08:44:44,900 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 08:44:44,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 08:44:44,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1251333530, now seen corresponding path program 1 times [2021-05-06 08:44:44,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 08:44:44,901 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492223460] [2021-05-06 08:44:44,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 08:44:44,913 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 08:44:44,913 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1648539074] [2021-05-06 08:44:44,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 08:44:45,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 08:44:45,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2021-05-06 08:44:45,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 08:44:45,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 08:44:45,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 08:44:45,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 08:44:45,137 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-05-06 08:44:45,137 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 08:44:45,138 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492223460] [2021-05-06 08:44:45,138 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 08:44:45,138 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648539074] [2021-05-06 08:44:45,138 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1648539074] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 08:44:45,138 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 08:44:45,138 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-05-06 08:44:45,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676476470] [2021-05-06 08:44:45,139 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-06 08:44:45,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 08:44:45,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-06 08:44:45,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-05-06 08:44:45,140 INFO L87 Difference]: Start difference. First operand 26 states and 29 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-05-06 08:44:45,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 08:44:45,172 INFO L93 Difference]: Finished difference Result 34 states and 38 transitions. [2021-05-06 08:44:45,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-06 08:44:45,173 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 29 [2021-05-06 08:44:45,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 08:44:45,174 INFO L225 Difference]: With dead ends: 34 [2021-05-06 08:44:45,174 INFO L226 Difference]: Without dead ends: 33 [2021-05-06 08:44:45,174 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.0ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-05-06 08:44:45,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-05-06 08:44:45,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-05-06 08:44:45,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 20 states have (on average 1.1) internal successors, (22), 21 states have internal predecessors, (22), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-05-06 08:44:45,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2021-05-06 08:44:45,178 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 29 [2021-05-06 08:44:45,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 08:44:45,179 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2021-05-06 08:44:45,179 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-05-06 08:44:45,179 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2021-05-06 08:44:45,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-05-06 08:44:45,180 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 08:44:45,180 INFO L523 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 08:44:45,399 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-05-06 08:44:45,399 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 08:44:45,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 08:44:45,400 INFO L82 PathProgramCache]: Analyzing trace with hash -284720885, now seen corresponding path program 1 times [2021-05-06 08:44:45,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 08:44:45,400 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378219469] [2021-05-06 08:44:45,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 08:44:45,410 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 08:44:45,410 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [115009417] [2021-05-06 08:44:45,410 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 [2021-05-06 08:44:45,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 08:44:45,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 20 conjunts are in the unsatisfiable core [2021-05-06 08:44:45,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 08:44:45,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 08:44:45,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 08:44:45,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 08:44:45,655 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-05-06 08:44:45,656 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 08:44:45,656 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378219469] [2021-05-06 08:44:45,656 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 08:44:45,656 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115009417] [2021-05-06 08:44:45,656 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [115009417] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 08:44:45,656 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 08:44:45,656 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2021-05-06 08:44:45,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616387511] [2021-05-06 08:44:45,656 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-05-06 08:44:45,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 08:44:45,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-05-06 08:44:45,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-05-06 08:44:45,657 INFO L87 Difference]: Start difference. First operand 33 states and 36 transitions. Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 7 states have internal predecessors, (18), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-05-06 08:44:45,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 08:44:45,733 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2021-05-06 08:44:45,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-06 08:44:45,733 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 7 states have internal predecessors, (18), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 36 [2021-05-06 08:44:45,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 08:44:45,734 INFO L225 Difference]: With dead ends: 41 [2021-05-06 08:44:45,734 INFO L226 Difference]: Without dead ends: 40 [2021-05-06 08:44:45,734 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 70.9ms TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-05-06 08:44:45,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-05-06 08:44:45,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2021-05-06 08:44:45,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 25 states have (on average 1.08) internal successors, (27), 26 states have internal predecessors, (27), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-05-06 08:44:45,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2021-05-06 08:44:45,738 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 36 [2021-05-06 08:44:45,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 08:44:45,738 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2021-05-06 08:44:45,738 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 7 states have internal predecessors, (18), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-05-06 08:44:45,738 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2021-05-06 08:44:45,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-05-06 08:44:45,739 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 08:44:45,739 INFO L523 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 08:44:45,956 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 08:44:45,956 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 08:44:45,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 08:44:45,956 INFO L82 PathProgramCache]: Analyzing trace with hash -590068614, now seen corresponding path program 2 times [2021-05-06 08:44:45,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 08:44:45,957 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532538880] [2021-05-06 08:44:45,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 08:44:45,965 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 08:44:45,965 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1327770563] [2021-05-06 08:44:45,966 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 08:44:46,059 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-06 08:44:46,059 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 08:44:46,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 31 conjunts are in the unsatisfiable core [2021-05-06 08:44:46,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 08:44:46,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 08:44:46,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 08:44:46,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 08:44:46,358 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-05-06 08:44:46,359 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 08:44:46,359 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532538880] [2021-05-06 08:44:46,359 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 08:44:46,359 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327770563] [2021-05-06 08:44:46,359 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1327770563] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 08:44:46,359 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 08:44:46,359 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2021-05-06 08:44:46,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474896993] [2021-05-06 08:44:46,359 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-05-06 08:44:46,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 08:44:46,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-05-06 08:44:46,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-05-06 08:44:46,360 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 8 states have internal predecessors, (20), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2021-05-06 08:44:46,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 08:44:46,493 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions. [2021-05-06 08:44:46,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-06 08:44:46,493 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 8 states have internal predecessors, (20), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 43 [2021-05-06 08:44:46,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 08:44:46,494 INFO L225 Difference]: With dead ends: 48 [2021-05-06 08:44:46,494 INFO L226 Difference]: Without dead ends: 47 [2021-05-06 08:44:46,494 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 218.6ms TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-05-06 08:44:46,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-05-06 08:44:46,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-05-06 08:44:46,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 30 states have (on average 1.0666666666666667) internal successors, (32), 31 states have internal predecessors, (32), 10 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-05-06 08:44:46,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 50 transitions. [2021-05-06 08:44:46,498 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 50 transitions. Word has length 43 [2021-05-06 08:44:46,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 08:44:46,498 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 50 transitions. [2021-05-06 08:44:46,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 8 states have internal predecessors, (20), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2021-05-06 08:44:46,498 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2021-05-06 08:44:46,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-05-06 08:44:46,499 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 08:44:46,499 INFO L523 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 08:44:46,717 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 08:44:46,717 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 08:44:46,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 08:44:46,718 INFO L82 PathProgramCache]: Analyzing trace with hash -1588029909, now seen corresponding path program 3 times [2021-05-06 08:44:46,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 08:44:46,718 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483300818] [2021-05-06 08:44:46,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 08:44:46,726 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 08:44:46,726 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [431903489] [2021-05-06 08:44:46,726 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-05-06 08:44:47,405 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-05-06 08:44:47,405 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 08:44:47,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 16 conjunts are in the unsatisfiable core [2021-05-06 08:44:47,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 08:44:51,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 08:44:51,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 08:44:51,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 08:44:51,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 08:44:51,343 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-05-06 08:44:51,343 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 08:44:51,344 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483300818] [2021-05-06 08:44:51,344 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 08:44:51,344 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [431903489] [2021-05-06 08:44:51,344 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [431903489] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 08:44:51,344 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 08:44:51,344 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2021-05-06 08:44:51,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358543441] [2021-05-06 08:44:51,344 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-05-06 08:44:51,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 08:44:51,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-05-06 08:44:51,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-05-06 08:44:51,345 INFO L87 Difference]: Start difference. First operand 47 states and 50 transitions. Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 7 states have internal predecessors, (22), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2021-05-06 08:45:04,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 08:45:04,175 INFO L93 Difference]: Finished difference Result 45 states and 48 transitions. [2021-05-06 08:45:04,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-06 08:45:04,176 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 7 states have internal predecessors, (22), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 50 [2021-05-06 08:45:04,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 08:45:04,176 INFO L225 Difference]: With dead ends: 45 [2021-05-06 08:45:04,177 INFO L226 Difference]: Without dead ends: 0 [2021-05-06 08:45:04,177 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 3834.9ms TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-05-06 08:45:04,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-05-06 08:45:04,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-05-06 08:45:04,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-06 08:45:04,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-05-06 08:45:04,177 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 50 [2021-05-06 08:45:04,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 08:45:04,177 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-05-06 08:45:04,177 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 7 states have internal predecessors, (22), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2021-05-06 08:45:04,178 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-05-06 08:45:04,178 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-06 08:45:04,378 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 08:45:04,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.05 08:45:04 BasicIcfg [2021-05-06 08:45:04,381 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-06 08:45:04,382 INFO L168 Benchmark]: Toolchain (without parser) took 20503.62 ms. Allocated memory was 232.8 MB in the beginning and 324.0 MB in the end (delta: 91.2 MB). Free memory was 197.4 MB in the beginning and 297.4 MB in the end (delta: -99.9 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-05-06 08:45:04,382 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 232.8 MB. Free memory was 213.9 MB in the beginning and 213.9 MB in the end (delta: 77.6 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-05-06 08:45:04,382 INFO L168 Benchmark]: CACSL2BoogieTranslator took 164.97 ms. Allocated memory is still 232.8 MB. Free memory was 197.3 MB in the beginning and 216.1 MB in the end (delta: -18.8 MB). Peak memory consumption was 12.0 MB. Max. memory is 8.0 GB. [2021-05-06 08:45:04,382 INFO L168 Benchmark]: Boogie Preprocessor took 27.83 ms. Allocated memory is still 232.8 MB. Free memory was 216.1 MB in the beginning and 214.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-05-06 08:45:04,382 INFO L168 Benchmark]: RCFGBuilder took 344.39 ms. Allocated memory is still 232.8 MB. Free memory was 214.5 MB in the beginning and 198.3 MB in the end (delta: 16.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-05-06 08:45:04,382 INFO L168 Benchmark]: IcfgTransformer took 26.84 ms. Allocated memory is still 232.8 MB. Free memory was 198.3 MB in the beginning and 197.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-05-06 08:45:04,382 INFO L168 Benchmark]: TraceAbstraction took 19935.77 ms. Allocated memory was 232.8 MB in the beginning and 324.0 MB in the end (delta: 91.2 MB). Free memory was 196.7 MB in the beginning and 297.4 MB in the end (delta: -100.7 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-05-06 08:45:04,383 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 232.8 MB. Free memory was 213.9 MB in the beginning and 213.9 MB in the end (delta: 77.6 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 164.97 ms. Allocated memory is still 232.8 MB. Free memory was 197.3 MB in the beginning and 216.1 MB in the end (delta: -18.8 MB). Peak memory consumption was 12.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 27.83 ms. Allocated memory is still 232.8 MB. Free memory was 216.1 MB in the beginning and 214.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 344.39 ms. Allocated memory is still 232.8 MB. Free memory was 214.5 MB in the beginning and 198.3 MB in the end (delta: 16.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * IcfgTransformer took 26.84 ms. Allocated memory is still 232.8 MB. Free memory was 198.3 MB in the beginning and 197.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 19935.77 ms. Allocated memory was 232.8 MB in the beginning and 324.0 MB in the end (delta: 91.2 MB). Free memory was 196.7 MB in the beginning and 297.4 MB in the end (delta: -100.7 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 17]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19892.7ms, OverallIterations: 5, TraceHistogramMax: 4, EmptinessCheckTime: 9.7ms, AutomataDifference: 13186.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 21.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 133 SDtfs, 59 SDslu, 485 SDs, 0 SdLazy, 201 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13010.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 173 GetRequests, 140 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 4193.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=4, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 26.3ms AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 48.6ms SsaConstructionTime, 775.7ms SatisfiabilityAnalysisTime, 4655.7ms InterpolantComputationTime, 187 NumberOfCodeBlocks, 167 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 182 ConstructedInterpolants, 0 QuantifiedInterpolants, 623 SizeOfPredicates, 8 NumberOfNonLiveVariables, 575 ConjunctsInSsa, 78 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 99/112 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...