/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label27.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 02:08:33,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 02:08:33,648 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 02:08:33,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-22 02:08:33,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 02:08:33,739 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 02:08:33,741 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 02:08:33,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 02:08:33,748 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 02:08:33,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 02:08:33,769 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 02:08:33,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 02:08:33,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 02:08:33,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 02:08:33,779 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 02:08:33,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 02:08:33,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-22 02:08:33,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 02:08:33,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 02:08:33,802 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 02:08:33,804 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-22 02:08:33,825 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 02:08:33,826 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 02:08:33,830 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 02:08:33,831 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 02:08:33,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 02:08:33,831 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 02:08:33,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 02:08:33,831 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 02:08:33,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 02:08:33,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 02:08:33,834 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 02:08:33,834 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 02:08:33,834 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 02:08:33,834 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 02:08:33,835 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 02:08:33,835 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 02:08:33,835 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 02:08:33,835 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 02:08:33,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 02:08:33,836 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 02:08:33,836 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 02:08:33,836 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 02:08:33,837 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 02:08:33,837 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 02:08:34,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 02:08:34,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 02:08:34,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 02:08:34,290 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 02:08:34,293 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 02:08:34,294 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label27.c [2021-02-22 02:08:34,393 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30eb6b734/d608f78ef0e742e788d5387616631bba/FLAG6afdffc0d [2021-02-22 02:08:35,192 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 02:08:35,193 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label27.c [2021-02-22 02:08:35,207 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30eb6b734/d608f78ef0e742e788d5387616631bba/FLAG6afdffc0d [2021-02-22 02:08:35,471 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30eb6b734/d608f78ef0e742e788d5387616631bba [2021-02-22 02:08:35,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 02:08:35,490 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 02:08:35,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 02:08:35,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 02:08:35,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 02:08:35,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:08:35" (1/1) ... [2021-02-22 02:08:35,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc5f77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:08:35, skipping insertion in model container [2021-02-22 02:08:35,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:08:35" (1/1) ... [2021-02-22 02:08:35,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 02:08:35,584 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 02:08:36,043 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label27.c[16218,16231] [2021-02-22 02:08:36,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:08:36,106 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 02:08:36,254 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label27.c[16218,16231] [2021-02-22 02:08:36,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:08:36,323 INFO L208 MainTranslator]: Completed translation [2021-02-22 02:08:36,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:08:36 WrapperNode [2021-02-22 02:08:36,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 02:08:36,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 02:08:36,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 02:08:36,325 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 02:08:36,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:08:36" (1/1) ... [2021-02-22 02:08:36,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:08:36" (1/1) ... [2021-02-22 02:08:36,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:08:36" (1/1) ... [2021-02-22 02:08:36,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:08:36" (1/1) ... [2021-02-22 02:08:36,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:08:36" (1/1) ... [2021-02-22 02:08:36,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:08:36" (1/1) ... [2021-02-22 02:08:36,430 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:08:36" (1/1) ... [2021-02-22 02:08:36,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 02:08:36,441 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 02:08:36,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 02:08:36,442 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 02:08:36,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:08:36" (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 [2021-02-22 02:08:36,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 02:08:36,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 02:08:36,558 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 02:08:36,558 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2021-02-22 02:08:36,558 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 02:08:36,558 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2021-02-22 02:08:36,558 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 02:08:36,559 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 02:08:36,559 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 02:08:36,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 02:08:36,559 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-22 02:08:36,559 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-22 02:08:36,559 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 02:08:36,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 02:08:36,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 02:08:36,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 02:08:36,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 02:08:36,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 02:08:36,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 02:08:37,930 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 02:08:37,931 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-22 02:08:37,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:08:37 BoogieIcfgContainer [2021-02-22 02:08:37,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 02:08:37,955 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 02:08:37,955 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 02:08:37,959 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 02:08:37,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 02:08:35" (1/3) ... [2021-02-22 02:08:37,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f67337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:08:37, skipping insertion in model container [2021-02-22 02:08:37,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:08:36" (2/3) ... [2021-02-22 02:08:37,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f67337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:08:37, skipping insertion in model container [2021-02-22 02:08:37,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:08:37" (3/3) ... [2021-02-22 02:08:37,963 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label27.c [2021-02-22 02:08:37,970 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 02:08:37,975 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 02:08:37,996 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 02:08:38,021 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 02:08:38,021 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 02:08:38,021 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 02:08:38,021 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 02:08:38,021 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 02:08:38,022 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 02:08:38,022 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 02:08:38,022 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 02:08:38,055 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states. [2021-02-22 02:08:38,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-02-22 02:08:38,079 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:08:38,080 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 02:08:38,080 INFO L428 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:08:38,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:08:38,087 INFO L82 PathProgramCache]: Analyzing trace with hash -1491020465, now seen corresponding path program 1 times [2021-02-22 02:08:38,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:08:38,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1590901827] [2021-02-22 02:08:38,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:08:38,179 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:08:38,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:08:38,576 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-22 02:08:38,578 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-22 02:08:38,590 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:38,591 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:08:38,592 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:38,595 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:08:38,597 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:38,599 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:08:38,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:08:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:08:38,774 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:38,778 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:08:38,779 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:38,780 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:08:38,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:08:38,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1590901827] [2021-02-22 02:08:38,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:08:38,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-22 02:08:38,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652819200] [2021-02-22 02:08:38,860 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-22 02:08:38,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:08:38,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-22 02:08:38,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-22 02:08:38,884 INFO L87 Difference]: Start difference. First operand 536 states. Second operand 5 states. [2021-02-22 02:08:42,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:08:42,633 INFO L93 Difference]: Finished difference Result 1429 states and 2024 transitions. [2021-02-22 02:08:42,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-22 02:08:42,637 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 129 [2021-02-22 02:08:42,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:08:42,672 INFO L225 Difference]: With dead ends: 1429 [2021-02-22 02:08:42,672 INFO L226 Difference]: Without dead ends: 845 [2021-02-22 02:08:42,685 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-22 02:08:42,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2021-02-22 02:08:42,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 782. [2021-02-22 02:08:42,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 782 states. [2021-02-22 02:08:42,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 954 transitions. [2021-02-22 02:08:42,946 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 954 transitions. Word has length 129 [2021-02-22 02:08:42,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:08:42,947 INFO L480 AbstractCegarLoop]: Abstraction has 782 states and 954 transitions. [2021-02-22 02:08:42,947 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-22 02:08:42,948 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 954 transitions. [2021-02-22 02:08:42,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-02-22 02:08:42,956 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:08:42,957 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 02:08:42,957 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 02:08:42,957 INFO L428 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:08:42,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:08:42,958 INFO L82 PathProgramCache]: Analyzing trace with hash -467292334, now seen corresponding path program 1 times [2021-02-22 02:08:42,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:08:42,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [109420441] [2021-02-22 02:08:42,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:08:43,021 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,022 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,030 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,031 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,038 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:43,070 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:43,076 WARN L141 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-02-22 02:08:43,080 WARN L147 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size 40 [2021-02-22 02:08:43,083 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,084 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,087 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,087 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,090 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:43,092 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:43,095 WARN L141 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-02-22 02:08:43,098 WARN L147 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size 40 [2021-02-22 02:08:43,101 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,101 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,104 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,105 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,107 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:43,110 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:43,113 WARN L141 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-02-22 02:08:43,116 WARN L147 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size 40 [2021-02-22 02:08:43,119 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,120 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,122 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,123 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,125 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:43,127 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:43,130 WARN L141 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-02-22 02:08:43,133 WARN L147 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size 40 [2021-02-22 02:08:43,135 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,136 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,138 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,139 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,142 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:43,144 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:43,147 WARN L141 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-02-22 02:08:43,150 WARN L147 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size 40 [2021-02-22 02:08:43,152 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,153 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,155 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,156 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,159 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:43,161 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:43,163 WARN L141 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-02-22 02:08:43,166 WARN L147 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size 40 [2021-02-22 02:08:43,169 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,169 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,171 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,172 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,175 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:43,177 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:43,181 WARN L141 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-02-22 02:08:43,186 WARN L147 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size 40 [2021-02-22 02:08:43,188 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,188 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,191 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,192 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,196 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:43,201 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:43,203 WARN L141 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-02-22 02:08:43,213 WARN L147 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size 40 [2021-02-22 02:08:43,215 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,216 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,218 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,219 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,222 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:43,224 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:43,227 WARN L141 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-02-22 02:08:43,230 WARN L147 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size 40 [2021-02-22 02:08:43,232 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,233 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,236 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,236 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,239 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:43,240 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:43,243 WARN L141 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-02-22 02:08:43,249 WARN L147 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size 40 [2021-02-22 02:08:43,251 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,252 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,254 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,255 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,258 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:43,261 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:43,264 WARN L141 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-02-22 02:08:43,271 WARN L147 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size 40 [2021-02-22 02:08:43,274 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,275 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,280 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,282 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,286 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:43,287 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:43,290 WARN L141 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-02-22 02:08:43,295 WARN L147 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size 40 [2021-02-22 02:08:43,297 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,298 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,304 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,304 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,307 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:43,309 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:43,313 WARN L141 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-02-22 02:08:43,316 WARN L147 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size 40 [2021-02-22 02:08:43,320 WARN L141 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size [2021-02-22 02:08:43,327 WARN L147 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size 52 [2021-02-22 02:08:43,330 WARN L141 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size [2021-02-22 02:08:43,337 WARN L147 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size 52 [2021-02-22 02:08:43,373 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:08:43,377 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:08:43,380 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-22 02:08:43,387 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:43,394 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:43,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:43,398 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:43,403 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:43,406 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-22 02:08:43,411 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,412 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,414 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,415 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,418 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:43,420 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:43,422 WARN L141 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-02-22 02:08:43,428 WARN L147 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size 40 [2021-02-22 02:08:43,430 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,430 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,435 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,435 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,438 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:43,444 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:43,447 WARN L141 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-02-22 02:08:43,450 WARN L147 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size 40 [2021-02-22 02:08:43,453 WARN L141 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size [2021-02-22 02:08:43,460 WARN L147 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size 52 [2021-02-22 02:08:43,463 WARN L141 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size [2021-02-22 02:08:43,468 WARN L147 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size 52 [2021-02-22 02:08:43,527 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:08:43,530 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:08:43,533 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-22 02:08:43,538 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:43,540 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:43,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:43,542 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:43,545 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:43,547 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-22 02:08:43,548 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,549 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,556 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,556 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,560 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:43,561 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:43,563 WARN L141 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-02-22 02:08:43,566 WARN L147 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size 40 [2021-02-22 02:08:43,573 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,576 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,579 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,580 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,582 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:43,584 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:43,586 WARN L141 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-02-22 02:08:43,590 WARN L147 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size 40 [2021-02-22 02:08:43,592 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,593 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,596 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,602 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,605 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:43,606 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:43,610 WARN L141 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-02-22 02:08:43,618 WARN L147 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size 40 [2021-02-22 02:08:43,621 WARN L141 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size [2021-02-22 02:08:43,625 WARN L147 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size 52 [2021-02-22 02:08:43,628 WARN L141 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size [2021-02-22 02:08:43,635 WARN L147 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size 52 [2021-02-22 02:08:43,662 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:08:43,664 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:08:43,668 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-22 02:08:43,670 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:43,674 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:43,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:43,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:43,679 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:43,680 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-22 02:08:43,683 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,688 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,690 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,691 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,694 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:43,695 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:43,697 WARN L141 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-02-22 02:08:43,702 WARN L147 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size 40 [2021-02-22 02:08:43,708 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,709 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,711 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,712 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,714 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:43,717 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:43,723 WARN L141 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-02-22 02:08:43,725 WARN L147 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size 40 [2021-02-22 02:08:43,727 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,728 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,729 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,730 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,732 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:43,735 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:43,739 WARN L141 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-02-22 02:08:43,742 WARN L147 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size 40 [2021-02-22 02:08:43,743 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,744 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,746 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,747 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,749 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:43,751 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:43,753 WARN L141 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-02-22 02:08:43,757 WARN L147 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size 40 [2021-02-22 02:08:43,760 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,760 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,765 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,765 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,775 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:43,778 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:43,783 WARN L141 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-02-22 02:08:43,795 WARN L147 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size 40 [2021-02-22 02:08:43,797 WARN L141 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size [2021-02-22 02:08:43,804 WARN L147 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size 52 [2021-02-22 02:08:43,806 WARN L141 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size [2021-02-22 02:08:43,815 WARN L147 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size 52 [2021-02-22 02:08:43,846 WARN L141 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-02-22 02:08:43,850 WARN L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-02-22 02:08:43,853 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-22 02:08:43,855 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:08:43,856 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:43,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:08:43,858 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:08:43,860 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:08:43,862 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-22 02:08:43,865 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,866 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,868 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,868 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,870 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:43,871 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:43,873 WARN L141 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-02-22 02:08:43,878 WARN L147 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size 40 [2021-02-22 02:08:43,880 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,881 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,884 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,885 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,887 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:43,890 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:43,892 WARN L141 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-02-22 02:08:43,903 WARN L147 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size 40 [2021-02-22 02:08:43,905 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,906 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,907 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,908 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,910 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:43,911 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:43,915 WARN L141 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-02-22 02:08:43,918 WARN L147 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size 40 [2021-02-22 02:08:43,919 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,920 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,922 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,922 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,926 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:43,928 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:43,932 WARN L141 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-02-22 02:08:43,937 WARN L147 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size 40 [2021-02-22 02:08:43,940 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,940 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,942 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,942 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,945 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:43,947 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:43,949 WARN L141 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-02-22 02:08:43,954 WARN L147 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size 40 [2021-02-22 02:08:43,956 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,957 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,959 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,959 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,961 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:43,964 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:43,966 WARN L141 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-02-22 02:08:43,969 WARN L147 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size 40 [2021-02-22 02:08:43,971 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,971 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,973 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,974 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,976 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:43,977 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:43,979 WARN L141 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-02-22 02:08:43,981 WARN L147 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size 40 [2021-02-22 02:08:43,987 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,987 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,989 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:43,990 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:43,993 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:43,995 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:43,997 WARN L141 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-02-22 02:08:44,000 WARN L147 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size 40 [2021-02-22 02:08:44,002 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:44,003 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:44,004 WARN L141 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size [2021-02-22 02:08:44,005 WARN L147 QuantifierPusher]: treesize reduction 62, result has 1.6 percent of original size 1 [2021-02-22 02:08:44,007 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 02:08:44,009 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 02:08:44,011 WARN L141 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-02-22 02:08:44,013 WARN L147 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size 40 [2021-02-22 02:08:44,013 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-22 02:08:44,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-22 02:08:44,185 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-22 02:08:44,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-22 02:08:44,295 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-22 02:08:44,398 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-22 02:08:44,398 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-22 02:08:44,399 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-22 02:08:44,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.02 02:08:44 BoogieIcfgContainer [2021-02-22 02:08:44,446 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-22 02:08:44,446 INFO L168 Benchmark]: Toolchain (without parser) took 8969.55 ms. Allocated memory was 151.0 MB in the beginning and 219.2 MB in the end (delta: 68.2 MB). Free memory was 125.2 MB in the beginning and 97.9 MB in the end (delta: 27.3 MB). Peak memory consumption was 96.9 MB. Max. memory is 8.0 GB. [2021-02-22 02:08:44,447 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory is still 125.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 02:08:44,447 INFO L168 Benchmark]: CACSL2BoogieTranslator took 830.60 ms. Allocated memory is still 151.0 MB. Free memory was 124.1 MB in the beginning and 129.5 MB in the end (delta: -5.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 8.0 GB. [2021-02-22 02:08:44,447 INFO L168 Benchmark]: Boogie Preprocessor took 115.79 ms. Allocated memory is still 151.0 MB. Free memory was 129.5 MB in the beginning and 124.2 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2021-02-22 02:08:44,448 INFO L168 Benchmark]: RCFGBuilder took 1492.49 ms. Allocated memory is still 151.0 MB. Free memory was 124.2 MB in the beginning and 62.1 MB in the end (delta: 62.1 MB). Peak memory consumption was 62.7 MB. Max. memory is 8.0 GB. [2021-02-22 02:08:44,449 INFO L168 Benchmark]: TraceAbstraction took 6490.81 ms. Allocated memory was 182.5 MB in the beginning and 219.2 MB in the end (delta: 36.7 MB). Free memory was 160.4 MB in the beginning and 97.9 MB in the end (delta: 62.5 MB). Peak memory consumption was 99.2 MB. Max. memory is 8.0 GB. [2021-02-22 02:08:44,452 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory is still 125.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 830.60 ms. Allocated memory is still 151.0 MB. Free memory was 124.1 MB in the beginning and 129.5 MB in the end (delta: -5.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 115.79 ms. Allocated memory is still 151.0 MB. Free memory was 129.5 MB in the beginning and 124.2 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1492.49 ms. Allocated memory is still 151.0 MB. Free memory was 124.2 MB in the beginning and 62.1 MB in the end (delta: 62.1 MB). Peak memory consumption was 62.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 6490.81 ms. Allocated memory was 182.5 MB in the beginning and 219.2 MB in the end (delta: 36.7 MB). Free memory was 160.4 MB in the beginning and 97.9 MB in the end (delta: 62.5 MB). Peak memory consumption was 99.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 467]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L17] int a= 1; [L18] int e= 5; [L19] int d= 4; [L20] int f= 6; [L21] int c= 3; [L24] int u = 21; [L25] int v = 22; [L26] int w = 23; [L27] int x = 24; [L28] int y = 25; [L29] int z = 26; [L32] int a25 = 0; [L33] int a11 = 0; [L34] int a28 = 7; [L35] int a19 = 1; [L36] int a21 = 1; [L37] int a17 = 8; [L613] int output = -1; [L616] COND TRUE 1 [L619] int input; [L620] input = __VERIFIER_nondet_int() [L621] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L624] CALL, EXPR calculate_output(input) [L40] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) [L45] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) [L48] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) [L52] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) [L57] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) [L60] COND TRUE ((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7))))) [L61] a28 = 11 [L62] a25 = 1 [L63] return 26; [L624] RET, EXPR calculate_output(input) [L624] output = calculate_output(input) [L616] COND TRUE 1 [L619] int input; [L620] input = __VERIFIER_nondet_int() [L621] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L624] CALL calculate_output(input) [L40] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) [L45] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) [L48] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) [L52] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) [L57] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) [L60] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) [L64] COND FALSE !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) [L69] COND FALSE !(((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9)))) [L75] COND FALSE !(((a19==1)&&(((a17==8)&&(((input==6)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))&&!(a11==1)))&&(a21==1)))) [L79] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==1)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9)))))&&!(a19==1))&&(a17==8)))) [L84] COND FALSE !((!(a19==1)&&(((((a17==8)&&((a25==1)&&(input==3)))&&(a28==10))&&!(a11==1))&&(a21==1)))) [L92] COND FALSE !((((!(a19==1)&&((a21==1)&&((((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1))))&&(input==4))))&&!(a11==1))&&(a17==8))) [L101] COND FALSE !(((a17==8)&&((a21==1)&&((a25==1)&&((a19==1)&&(!(a11==1)&&((a28==11)&&(input==3)))))))) [L105] COND FALSE !(((a28==9)&&(((!(a19==1)&&(((input==3)&&!(a11==1))&&(a17==8)))&&!(a25==1))&&(a21==1)))) [L109] COND FALSE !(((!(a11==1)&&(((a28==11)&&((a25==1)&&((input==1)&&(a19==1))))&&(a17==8)))&&(a21==1))) [L116] COND FALSE !((((a11==1)&&((((((a25==1)&&(a28==8))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7))))&&(input==6))&&(a19==1))&&(a17==9)))&&(a21==1))) [L123] COND FALSE !(((a17==8)&&((a21==1)&&(!(a11==1)&&(!(a19==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))))))) [L129] COND FALSE !((((((a21==1)&&((a28==10)&&((input==1)&&(a25==1))))&&!(a11==1))&&(a17==8))&&!(a19==1))) [L133] COND FALSE !((!(a11==1)&&(!(a19==1)&&(((a17==8)&&((input==6)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a28==8)&&(a25==1)))))&&(a21==1))))) [L140] COND FALSE !(((((a17==8)&&(!(a19==1)&&(((input==6)&&(a21==1))&&!(a25==1))))&&!(a11==1))&&(a28==9))) [L144] COND FALSE !((!(a11==1)&&((!(a25==1)&&(((a21==1)&&((input==1)&&(a19==1)))&&(a17==8)))&&(a28==11)))) [L149] COND FALSE !((((a11==1)&&(((a19==1)&&((a21==1)&&(((a25==1)||!(a25==1))&&(input==4))))&&(a17==9)))&&(a28==9))) [L153] COND FALSE !(((!(a11==1)&&((a28==9)&&(((!(a19==1)&&(input==5))&&!(a25==1))&&(a21==1))))&&(a17==8))) [L158] COND FALSE !(((!(a11==1)&&(((a17==8)&&(((((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))||((a28==8)&&(a25==1)))&&(input==3)))&&!(a19==1)))&&(a21==1))) [L164] COND FALSE !(((a21==1)&&(!(a19==1)&&((((input==5)&&(((a28==8)&&(a25==1))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7)))))&&!(a11==1))&&(a17==8))))) [L169] COND FALSE !((((a17==9)&&(((a28==8)&&(((input==1)&&(a19==1))&&!(a25==1)))&&(a11==1)))&&(a21==1))) [L175] COND FALSE !((((a21==1)&&((a19==1)&&((a28==7)&&((a17==8)&&(!(a25==1)&&(input==3))))))&&!(a11==1))) [L179] COND FALSE !(((a28==11)&&(((a17==8)&&((((input==6)&&(a21==1))&&(a19==1))&&!(a25==1)))&&!(a11==1)))) [L185] COND FALSE !(((!(a11==1)&&(((a17==8)&&((a21==1)&&((input==3)&&(a28==8))))&&(a19==1)))&&(a25==1))) [L189] COND FALSE !((((a21==1)&&(((a19==1)&&(((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))&&(input==4)))&&(a11==1)))&&(a17==9))) [L195] COND FALSE !((((!(a11==1)&&((a17==8)&&(((input==4)&&(a19==1))&&(a28==8))))&&(a21==1))&&(a25==1))) [L197] COND FALSE !(((a19==1)&&((((((input==4)&&(a21==1))&&(a28==9))&&!(a25==1))&&!(a11==1))&&(a17==8)))) [L199] COND FALSE !(((a17==8)&&((((((input==1)&&(a21==1))&&!(a11==1))&&(a19==1))&&!(a25==1))&&(a28==9)))) [L201] COND FALSE !((((((((input==4)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a21==1))&&(a17==8))&&(a28==10))&&(a19==1))) [L204] COND FALSE !(((!(a25==1)&&((a11==1)&&((a28==8)&&(((a17==9)&&(input==4))&&(a19==1)))))&&(a21==1))) [L208] COND FALSE !((!(a19==1)&&((a17==8)&&((a28==10)&&(((a25==1)&&(!(a11==1)&&(input==5)))&&(a21==1)))))) [L212] COND FALSE !((((((a21==1)&&((input==1)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))))&&(a17==8))&&!(a11==1))&&(a19==1))) [L222] COND FALSE !(((a21==1)&&((((a19==1)&&((a25==1)&&((a28==11)&&(input==6))))&&!(a11==1))&&(a17==8)))) [L225] COND FALSE !((!(a11==1)&&((a19==1)&&((a28==10)&&(((((a25==1)||!(a25==1))&&(input==5))&&(a17==8))&&(a21==1)))))) [L228] COND FALSE !((((((a17==9)&&((((a25==1)||!(a25==1))&&(input==6))&&(a11==1)))&&(a19==1))&&(a21==1))&&(a28==9))) [L233] COND FALSE !((((a17==8)&&(((((input==6)&&(a25==1))&&!(a19==1))&&!(a11==1))&&(a28==10)))&&(a21==1))) [L235] COND FALSE !(((!(a19==1)&&((a17==8)&&(!(a11==1)&&((input==1)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))))&&(a21==1))) [L242] COND FALSE !((((((((input==1)&&(a21==1))&&(a28==9))&&!(a19==1))&&!(a25==1))&&(a17==8))&&!(a11==1))) [L244] COND FALSE !(((a17==8)&&(((!(a11==1)&&((!(a25==1)&&(input==4))&&(a19==1)))&&(a28==7))&&(a21==1)))) [L247] COND FALSE !((!(a11==1)&&(((a17==8)&&((((!(a25==1)&&(a28==11))||((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1))))&&(input==3))&&(a21==1)))&&!(a19==1)))) [L258] COND FALSE !(((((!(a11==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==5)))&&(a21==1))&&!(a19==1))&&(a17==8))) [L263] COND FALSE !((((a17==9)&&(((((input==1)&&((a25==1)||!(a25==1)))&&(a11==1))&&(a21==1))&&(a19==1)))&&(a28==9))) [L269] COND FALSE !((!(a11==1)&&((a19==1)&&(((((a28==9)&&(input==6))&&(a21==1))&&(a17==8))&&!(a25==1))))) [L271] COND FALSE !(((a17==9)&&((a21==1)&&((a11==1)&&(((input==3)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a19==1)))))) [L286] COND FALSE !(((a28==7)&&((a17==8)&&(!(a25==1)&&((a21==1)&&((a19==1)&&((input==5)&&!(a11==1)))))))) [L290] COND FALSE !(((a28==8)&&((a21==1)&&((!(a11==1)&&(((input==1)&&(a17==8))&&(a19==1)))&&(a25==1))))) [L293] COND FALSE !((((((a17==8)&&(((input==6)&&((a25==1)||!(a25==1)))&&(a21==1)))&&(a28==10))&&!(a11==1))&&(a19==1))) [L296] COND FALSE !(((!(a11==1)&&((!(a19==1)&&(((!(a25==1)&&(a28==11))||(((a28==10)&&!(a25==1))||((a25==1)&&(a28==11))))&&(input==5)))&&(a17==8)))&&(a21==1))) [L301] COND FALSE !(((a17==8)&&(((a21==1)&&(!(a11==1)&&((a25==1)&&((a28==8)&&(input==6)))))&&(a19==1)))) [L303] COND FALSE !((((a19==1)&&((a17==8)&&(((!(a25==1)&&(input==5))&&(a21==1))&&!(a11==1))))&&(a28==11))) [L307] COND FALSE !(((a11==1)&&(((a17==9)&&((a28==9)&&((a19==1)&&(((a25==1)||!(a25==1))&&(input==5)))))&&(a21==1)))) [L319] COND FALSE !((((((((input==3)&&(a19==1))&&(a21==1))&&(a17==8))&&!(a25==1))&&(a28==11))&&!(a11==1))) [L324] COND FALSE !(((a19==1)&&((a21==1)&&((((input==5)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a11==1))&&(a17==9))))) [L338] COND FALSE !((((a19==1)&&(((!(a11==1)&&(((a25==1)||!(a25==1))&&(input==3)))&&(a28==10))&&(a21==1)))&&(a17==8))) [L341] COND FALSE !(((!(a11==1)&&(((((input==4)&&(a17==8))&&!(a25==1))&&(a21==1))&&(a28==11)))&&(a19==1))) [L347] COND FALSE !((((!(a19==1)&&(((input==4)&&(((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1)))||(!(a25==1)&&(a28==11))))&&(a21==1)))&&(a17==8))&&!(a11==1))) [L359] COND FALSE !((!(a11==1)&&(((a17==8)&&((((a25==1)&&(input==4))&&(a19==1))&&(a28==11)))&&(a21==1)))) [L364] COND FALSE !((((((a21==1)&&((((a28==8)&&!(a25==1))||((a28==9)&&(a25==1)))&&(input==6)))&&!(a11==1))&&!(a19==1))&&(a17==8))) [L371] COND FALSE !(((a19==1)&&((((a21==1)&&((!(a25==1)&&(input==3))&&(a17==9)))&&(a28==8))&&(a11==1)))) [L378] COND FALSE !(((a17==8)&&(((a21==1)&&(((input==5)&&((!(a25==1)&&(a28==8))||((a28==9)&&(a25==1))))&&(a19==1)))&&!(a11==1)))) [L385] COND FALSE !(((a19==1)&&(((((a17==8)&&((input==5)&&!(a11==1)))&&(a21==1))&&(a25==1))&&(a28==8)))) [L388] COND FALSE !((((!(a11==1)&&((((a21==1)&&(input==4))&&(a28==10))&&(a17==8)))&&!(a19==1))&&(a25==1))) [L390] COND FALSE !(((a28==8)&&(((a19==1)&&((a11==1)&&(!(a25==1)&&((a17==9)&&(input==6)))))&&(a21==1)))) [L399] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==6)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))&&(a17==8))&&!(a19==1)))) [L404] COND FALSE !((((((!(a25==1)&&((a19==1)&&(input==3)))&&(a28==9))&&(a21==1))&&(a17==8))&&!(a11==1))) [L408] COND FALSE !((((a17==8)&&((((input==4)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9))))&&(a21==1))&&!(a19==1)))&&!(a11==1))) [L412] COND FALSE !((((!(a11==1)&&((((a19==1)&&(input==5))&&(a17==8))&&(a21==1)))&&(a28==9))&&!(a25==1))) [L414] COND FALSE !((((a11==1)&&((a19==1)&&((a21==1)&&(((a17==9)&&(input==5))&&!(a25==1)))))&&(a28==8))) [L417] COND FALSE !((!(a11==1)&&((a21==1)&&(((a19==1)&&((a17==8)&&((a25==1)&&(input==5))))&&(a28==11))))) [L419] COND FALSE !(((a19==1)&&((a17==8)&&(((((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))&&!(a11==1))&&(a21==1))))) [L424] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==7))&&!(a19==1))&&(a21==1))&&(a17==8))) [L427] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==10))&&(a19==1))&&(a21==1))&&(a17==8))) [L430] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==8))) [L433] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==7))) [L436] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==9))&&(a19==1))&&(a21==1))&&(a17==8))) [L439] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==9))&&!(a19==1))&&(a21==1))&&(a17==7))) [L442] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==10))&&!(a19==1))&&(a21==1))&&(a17==7))) [L445] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==9))&&(a19==1))&&(a21==1))&&(a17==8))) [L448] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==8))) [L451] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==8))&&(a19==1))&&(a21==1))&&(a17==8))) [L454] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==11))&&!(a19==1))&&(a21==1))&&(a17==8))) [L457] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==7))) [L460] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==8))&&(a19==1))&&(a21==1))&&(a17==7))) [L463] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==10))&&!(a19==1))&&(a21==1))&&(a17==7))) [L466] COND TRUE ((((((a25==1)&&!(a11==1))&&(a28==11))&&(a19==1))&&(a21==1))&&(a17==7)) [L467] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 539 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6.3s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 348 SDtfs, 1525 SDslu, 183 SDs, 0 SdLazy, 1163 SolverSat, 377 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=782occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 1 MinimizatonAttempts, 63 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...