/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/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/loop-zilu/benchmark26_linear.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-a47f07a [2021-04-16 04:32:14,983 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-16 04:32:14,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-16 04:32:15,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-16 04:32:15,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-16 04:32:15,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-16 04:32:15,021 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-16 04:32:15,025 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-16 04:32:15,026 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-16 04:32:15,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-16 04:32:15,030 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-16 04:32:15,031 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-16 04:32:15,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-16 04:32:15,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-16 04:32:15,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-16 04:32:15,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-16 04:32:15,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-16 04:32:15,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-16 04:32:15,039 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-16 04:32:15,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-16 04:32:15,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-16 04:32:15,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-16 04:32:15,051 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-16 04:32:15,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-16 04:32:15,056 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-16 04:32:15,056 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-16 04:32:15,056 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-16 04:32:15,056 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-16 04:32:15,057 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-16 04:32:15,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-16 04:32:15,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-16 04:32:15,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-16 04:32:15,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-16 04:32:15,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-16 04:32:15,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-16 04:32:15,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-16 04:32:15,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-16 04:32:15,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-16 04:32:15,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-16 04:32:15,060 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-16 04:32:15,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-16 04:32:15,064 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2021-04-16 04:32:15,078 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-16 04:32:15,078 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-16 04:32:15,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-16 04:32:15,081 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-16 04:32:15,081 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-16 04:32:15,081 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-16 04:32:15,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-16 04:32:15,081 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-16 04:32:15,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-16 04:32:15,082 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-16 04:32:15,082 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-16 04:32:15,082 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-16 04:32:15,083 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-16 04:32:15,083 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-16 04:32:15,083 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-16 04:32:15,083 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-16 04:32:15,083 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-16 04:32:15,083 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-16 04:32:15,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-16 04:32:15,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-16 04:32:15,083 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-16 04:32:15,084 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-04-16 04:32:15,084 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-16 04:32:15,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-16 04:32:15,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-16 04:32:15,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-16 04:32:15,373 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-16 04:32:15,373 INFO L275 PluginConnector]: CDTParser initialized [2021-04-16 04:32:15,374 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-zilu/benchmark26_linear.i [2021-04-16 04:32:15,423 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d451b0867/3758711fb7af4877b6ec065ce8328fc9/FLAG8e5d39dc2 [2021-04-16 04:32:15,734 INFO L306 CDTParser]: Found 1 translation units. [2021-04-16 04:32:15,735 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-zilu/benchmark26_linear.i [2021-04-16 04:32:15,739 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d451b0867/3758711fb7af4877b6ec065ce8328fc9/FLAG8e5d39dc2 [2021-04-16 04:32:16,162 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d451b0867/3758711fb7af4877b6ec065ce8328fc9 [2021-04-16 04:32:16,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-16 04:32:16,165 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-16 04:32:16,168 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-16 04:32:16,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-16 04:32:16,170 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-16 04:32:16,171 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 04:32:16" (1/1) ... [2021-04-16 04:32:16,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c483d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:32:16, skipping insertion in model container [2021-04-16 04:32:16,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 04:32:16" (1/1) ... [2021-04-16 04:32:16,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-16 04:32:16,189 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-16 04:32:16,272 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-zilu/benchmark26_linear.i[868,881] [2021-04-16 04:32:16,279 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-16 04:32:16,286 INFO L203 MainTranslator]: Completed pre-run [2021-04-16 04:32:16,295 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-zilu/benchmark26_linear.i[868,881] [2021-04-16 04:32:16,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-16 04:32:16,309 INFO L208 MainTranslator]: Completed translation [2021-04-16 04:32:16,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:32:16 WrapperNode [2021-04-16 04:32:16,309 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-16 04:32:16,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-16 04:32:16,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-16 04:32:16,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-16 04:32:16,329 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:32:16" (1/1) ... [2021-04-16 04:32:16,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:32:16" (1/1) ... [2021-04-16 04:32:16,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:32:16" (1/1) ... [2021-04-16 04:32:16,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:32:16" (1/1) ... [2021-04-16 04:32:16,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:32:16" (1/1) ... [2021-04-16 04:32:16,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:32:16" (1/1) ... [2021-04-16 04:32:16,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:32:16" (1/1) ... [2021-04-16 04:32:16,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-16 04:32:16,378 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-16 04:32:16,378 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-16 04:32:16,378 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-16 04:32:16,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:32:16" (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 [2021-04-16 04:32:16,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-04-16 04:32:16,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-16 04:32:16,432 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-04-16 04:32:16,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-04-16 04:32:16,433 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-04-16 04:32:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-04-16 04:32:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-04-16 04:32:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-04-16 04:32:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-04-16 04:32:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-16 04:32:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-04-16 04:32:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2021-04-16 04:32:16,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-04-16 04:32:16,434 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-04-16 04:32:16,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-04-16 04:32:16,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-16 04:32:16,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-16 04:32:16,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-16 04:32:16,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-04-16 04:32:16,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-16 04:32:16,652 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-16 04:32:16,653 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-04-16 04:32:16,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.04 04:32:16 BoogieIcfgContainer [2021-04-16 04:32:16,654 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-16 04:32:16,654 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2021-04-16 04:32:16,654 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2021-04-16 04:32:16,655 INFO L275 PluginConnector]: IcfgTransformer initialized [2021-04-16 04:32:16,656 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.04 04:32:16" (1/1) ... [2021-04-16 04:32:16,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:16,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 04:32:16,702 INFO L175 rdanLoopAcceleration]: Guard: Formula: (< v_main_~x~0_3 v_main_~y~0_2) InVars {main_~x~0=v_main_~x~0_3, main_~y~0=v_main_~y~0_2} OutVars{main_~x~0=v_main_~x~0_3, main_~y~0=v_main_~y~0_2} AuxVars[] AssignedVars[] [2021-04-16 04:32:16,712 WARN L240 tifierPushTermWalker]: treesize reduction 10, result has 81.1 percent of original size [2021-04-16 04:32:16,720 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:16,723 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:16,727 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:16,732 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:16,748 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-04-16 04:32:16,754 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:16,762 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-04-16 04:32:16,765 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:16,769 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:16,775 WARN L245 tifierPushTermWalker]: treesize reduction 10, result has 81.1 percent of original size 43 [2021-04-16 04:32:16,800 INFO L1067 elerationTransformer]: Accelerated Formula: (and (= v_main_~x~0_2 (+ v_main_~x~0_3 1)) (< v_main_~x~0_3 v_main_~y~0_2)) InVars {main_~x~0=v_main_~x~0_3, main_~y~0=v_main_~y~0_2} OutVars{main_~x~0=v_main_~x~0_2, main_~y~0=v_main_~y~0_2} AuxVars[] AssignedVars[main_~x~0] with Formula: (or (and (= v_main_~x~0_3 v_main_~x~0_2) (= v_itFin_1 0) (<= v_main_~y~0_2 v_main_~x~0_3)) (let ((.cse0 (+ v_itFin_1 v_main_~x~0_3))) (and (= v_main_~x~0_2 .cse0) (<= v_main_~y~0_2 .cse0) (< .cse0 (+ v_main_~y~0_2 1)) (< v_main_~x~0_3 v_main_~y~0_2)))) InVars {main_~x~0=v_main_~x~0_3, main_~y~0=v_main_~y~0_2} OutVars{main_~x~0=v_main_~x~0_2, main_~y~0=v_main_~y~0_2} AuxVars[v_itFin_1] AssignedVars[main_~x~0] [2021-04-16 04:32:16,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 16.04 04:32:16 BasicIcfg [2021-04-16 04:32:16,807 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2021-04-16 04:32:16,808 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-16 04:32:16,808 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-16 04:32:16,810 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-16 04:32:16,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.04 04:32:16" (1/4) ... [2021-04-16 04:32:16,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d422878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.04 04:32:16, skipping insertion in model container [2021-04-16 04:32:16,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:32:16" (2/4) ... [2021-04-16 04:32:16,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d422878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.04 04:32:16, skipping insertion in model container [2021-04-16 04:32:16,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.04 04:32:16" (3/4) ... [2021-04-16 04:32:16,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d422878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.04 04:32:16, skipping insertion in model container [2021-04-16 04:32:16,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 16.04 04:32:16" (4/4) ... [2021-04-16 04:32:16,812 INFO L111 eAbstractionObserver]: Analyzing ICFG benchmark26_linear.iJordan [2021-04-16 04:32:16,815 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2021-04-16 04:32:16,818 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-16 04:32:16,828 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-04-16 04:32:16,839 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-16 04:32:16,839 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-16 04:32:16,839 INFO L378 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2021-04-16 04:32:16,839 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-16 04:32:16,839 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-16 04:32:16,840 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-16 04:32:16,840 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-16 04:32:16,840 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-16 04:32:16,850 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 13 states have internal predecessors, (17), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-04-16 04:32:16,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-04-16 04:32:16,854 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 04:32:16,855 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 04:32:16,855 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 04:32:16,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 04:32:16,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1809217115, now seen corresponding path program 1 times [2021-04-16 04:32:16,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 04:32:16,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739397351] [2021-04-16 04:32:16,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 04:32:16,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 04:32:16,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:16,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 04:32:16,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:16,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 04:32:16,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 04:32:16,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 04:32:16,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:16,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 04:32:16,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 04:32:16,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739397351] [2021-04-16 04:32:16,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 04:32:16,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-16 04:32:16,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929825822] [2021-04-16 04:32:17,002 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-16 04:32:17,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 04:32:17,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-16 04:32:17,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-16 04:32:17,015 INFO L87 Difference]: Start difference. First operand has 20 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 13 states have internal predecessors, (17), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 04:32:17,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 04:32:17,050 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2021-04-16 04:32:17,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-16 04:32:17,051 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2021-04-16 04:32:17,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 04:32:17,056 INFO L225 Difference]: With dead ends: 20 [2021-04-16 04:32:17,056 INFO L226 Difference]: Without dead ends: 13 [2021-04-16 04:32:17,058 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 31.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-16 04:32:17,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2021-04-16 04:32:17,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-04-16 04:32:17,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 04:32:17,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2021-04-16 04:32:17,078 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 12 [2021-04-16 04:32:17,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 04:32:17,078 INFO L480 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2021-04-16 04:32:17,078 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 04:32:17,079 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2021-04-16 04:32:17,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-04-16 04:32:17,079 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 04:32:17,079 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 04:32:17,080 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-16 04:32:17,080 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 04:32:17,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 04:32:17,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1810140636, now seen corresponding path program 1 times [2021-04-16 04:32:17,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 04:32:17,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227905466] [2021-04-16 04:32:17,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 04:32:17,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 04:32:17,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 04:32:17,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 04:32:17,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 04:32:17,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 04:32:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 04:32:17,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 04:32:17,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 04:32:17,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227905466] [2021-04-16 04:32:17,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 04:32:17,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-16 04:32:17,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942607474] [2021-04-16 04:32:17,190 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-16 04:32:17,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 04:32:17,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-16 04:32:17,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-16 04:32:17,192 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 04:32:17,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 04:32:17,287 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2021-04-16 04:32:17,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-16 04:32:17,288 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2021-04-16 04:32:17,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 04:32:17,288 INFO L225 Difference]: With dead ends: 14 [2021-04-16 04:32:17,288 INFO L226 Difference]: Without dead ends: 14 [2021-04-16 04:32:17,289 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 91.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-04-16 04:32:17,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-04-16 04:32:17,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-04-16 04:32:17,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 04:32:17,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2021-04-16 04:32:17,291 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 12 [2021-04-16 04:32:17,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 04:32:17,291 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2021-04-16 04:32:17,291 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 04:32:17,291 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2021-04-16 04:32:17,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-04-16 04:32:17,292 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 04:32:17,292 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 04:32:17,292 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-16 04:32:17,292 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 04:32:17,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 04:32:17,292 INFO L82 PathProgramCache]: Analyzing trace with hash 306506437, now seen corresponding path program 1 times [2021-04-16 04:32:17,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 04:32:17,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622812468] [2021-04-16 04:32:17,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 04:32:17,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 04:32:17,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 04:32:17,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 04:32:17,326 INFO L142 QuantifierPusher]: treesize reduction 5, result has 50.0 percent of original size [2021-04-16 04:32:17,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-16 04:32:17,334 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-04-16 04:32:17,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 04:32:17,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 04:32:17,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 04:32:17,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 04:32:17,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 04:32:17,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 04:32:17,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 04:32:17,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 04:32:17,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622812468] [2021-04-16 04:32:17,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737352748] [2021-04-16 04:32:17,390 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 [2021-04-16 04:32:17,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 04:32:17,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjunts are in the unsatisfiable core [2021-04-16 04:32:17,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-16 04:32:17,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 04:32:17,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 04:32:17,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 04:32:17,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 04:32:17,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 04:32:17,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 04:32:17,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 04:32:17,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 04:32:17,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 04:32:17,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 04:32:17,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 04:32:17,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 04:32:17,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 04:32:17,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 04:32:17,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 04:32:17,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 04:32:17,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 04:32:17,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 04:32:17,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 04:32:17,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 04:32:17,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 04:32:17,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 04:32:17,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 04:32:17,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 04:32:17,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 04:32:17,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 04:32:17,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 04:32:17,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 04:32:17,457 INFO L142 QuantifierPusher]: treesize reduction 15, result has 61.5 percent of original size [2021-04-16 04:32:17,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 04:32:17,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 04:32:17,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-16 04:32:17,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 04:32:17,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 04:32:17,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-16 04:32:17,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 04:32:17,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 04:32:17,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 04:32:17,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 04:32:17,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 04:32:17,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 04:32:17,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 04:32:17,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-16 04:32:17,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 04:32:17,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 04:32:17,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-16 04:32:17,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-16 04:32:17,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,486 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-16 04:32:17,489 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 04:32:17,491 INFO L142 QuantifierPusher]: treesize reduction 8, result has 76.5 percent of original size [2021-04-16 04:32:17,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 04:32:17,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 04:32:17,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 04:32:17,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 04:32:17,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 04:32:17,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 04:32:17,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 04:32:17,518 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-04-16 04:32:17,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 04:32:17,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 04:32:17,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 04:32:17,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 04:32:17,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 04:32:17,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 04:32:17,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-16 04:32:17,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 10 [2021-04-16 04:32:17,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873806418] [2021-04-16 04:32:17,521 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-16 04:32:17,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 04:32:17,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-16 04:32:17,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-04-16 04:32:17,522 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 7 states have internal predecessors, (14), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 04:32:17,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 04:32:17,695 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2021-04-16 04:32:17,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-16 04:32:17,695 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 7 states have internal predecessors, (14), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2021-04-16 04:32:17,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 04:32:17,695 INFO L225 Difference]: With dead ends: 12 [2021-04-16 04:32:17,695 INFO L226 Difference]: Without dead ends: 0 [2021-04-16 04:32:17,695 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 196.4ms TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-04-16 04:32:17,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-04-16 04:32:17,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-04-16 04:32:17,696 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) [2021-04-16 04:32:17,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-04-16 04:32:17,696 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2021-04-16 04:32:17,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 04:32:17,696 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-04-16 04:32:17,696 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 7 states have internal predecessors, (14), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 04:32:17,696 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-04-16 04:32:17,696 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-04-16 04:32:17,913 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-04-16 04:32:17,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.04 04:32:17 BasicIcfg [2021-04-16 04:32:17,916 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-16 04:32:17,916 INFO L168 Benchmark]: Toolchain (without parser) took 1751.16 ms. Allocated memory is still 185.6 MB. Free memory was 151.7 MB in the beginning and 149.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.9 MB. Max. memory is 8.0 GB. [2021-04-16 04:32:17,917 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 185.6 MB. Free memory is still 168.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-04-16 04:32:17,917 INFO L168 Benchmark]: CACSL2BoogieTranslator took 141.22 ms. Allocated memory is still 185.6 MB. Free memory was 151.5 MB in the beginning and 142.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-04-16 04:32:17,917 INFO L168 Benchmark]: Boogie Preprocessor took 66.11 ms. Allocated memory is still 185.6 MB. Free memory was 142.1 MB in the beginning and 169.2 MB in the end (delta: -27.1 MB). Peak memory consumption was 2.8 MB. Max. memory is 8.0 GB. [2021-04-16 04:32:17,917 INFO L168 Benchmark]: RCFGBuilder took 275.97 ms. Allocated memory is still 185.6 MB. Free memory was 168.8 MB in the beginning and 155.2 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-04-16 04:32:17,918 INFO L168 Benchmark]: IcfgTransformer took 152.49 ms. Allocated memory is still 185.6 MB. Free memory was 155.2 MB in the beginning and 144.2 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-04-16 04:32:17,918 INFO L168 Benchmark]: TraceAbstraction took 1108.35 ms. Allocated memory is still 185.6 MB. Free memory was 143.6 MB in the beginning and 149.9 MB in the end (delta: -6.3 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-04-16 04:32:17,919 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from IcfgTransformer: - StatisticsResult: Jordan loop acceleration statistics 0 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 185.6 MB. Free memory is still 168.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 141.22 ms. Allocated memory is still 185.6 MB. Free memory was 151.5 MB in the beginning and 142.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 66.11 ms. Allocated memory is still 185.6 MB. Free memory was 142.1 MB in the beginning and 169.2 MB in the end (delta: -27.1 MB). Peak memory consumption was 2.8 MB. Max. memory is 8.0 GB. * RCFGBuilder took 275.97 ms. Allocated memory is still 185.6 MB. Free memory was 168.8 MB in the beginning and 155.2 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * IcfgTransformer took 152.49 ms. Allocated memory is still 185.6 MB. Free memory was 155.2 MB in the beginning and 144.2 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1108.35 ms. Allocated memory is still 185.6 MB. Free memory was 143.6 MB in the beginning and 149.9 MB in the end (delta: -6.3 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 16]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1076.2ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 9.9ms, AutomataDifference: 327.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 5.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 36 SDtfs, 26 SDslu, 36 SDs, 0 SdLazy, 49 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 82.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 319.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 12.9ms AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 11.6ms SsaConstructionTime, 51.8ms SatisfiabilityAnalysisTime, 339.3ms InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 168 SizeOfPredicates, 1 NumberOfNonLiveVariables, 79 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 0/2 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...