/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/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loops-crafted-1/net_reset.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 19:02:58,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 19:02:58,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 19:02:58,839 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-23 19:02:58,872 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 19:02:58,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 19:02:58,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 19:02:58,879 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 19:02:58,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 19:02:58,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 19:02:58,894 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 19:02:58,898 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 19:02:58,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 19:02:58,905 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 19:02:58,907 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 19:02:58,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 19:02:58,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-23 19:02:58,953 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-23 19:02:58,979 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 19:02:58,979 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 19:02:58,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 19:02:58,986 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 19:02:58,986 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 19:02:58,986 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 19:02:58,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 19:02:58,987 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 19:02:58,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 19:02:58,987 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 19:02:58,988 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 19:02:58,989 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 19:02:58,989 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 19:02:58,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 19:02:58,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 19:02:58,990 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 19:02:58,990 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 19:02:58,990 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 19:02:58,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 19:02:58,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 19:02:58,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 19:02:58,991 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 19:02:58,992 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 19:02:59,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 19:02:59,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 19:02:59,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 19:02:59,480 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 19:02:59,481 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 19:02:59,482 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/net_reset.c [2021-02-23 19:02:59,576 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ffeb598f/1b2444d2f18a40c587ad4d44417eace8/FLAGb0c230cab [2021-02-23 19:03:00,337 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 19:03:00,338 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/net_reset.c [2021-02-23 19:03:00,351 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ffeb598f/1b2444d2f18a40c587ad4d44417eace8/FLAGb0c230cab [2021-02-23 19:03:00,660 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ffeb598f/1b2444d2f18a40c587ad4d44417eace8 [2021-02-23 19:03:00,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 19:03:00,680 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 19:03:00,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 19:03:00,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 19:03:00,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 19:03:00,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 07:03:00" (1/1) ... [2021-02-23 19:03:00,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@571c265c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 07:03:00, skipping insertion in model container [2021-02-23 19:03:00,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 07:03:00" (1/1) ... [2021-02-23 19:03:00,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 19:03:00,742 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 19:03:00,972 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/net_reset.c[4546,4559] [2021-02-23 19:03:01,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 19:03:02,443 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 19:03:02,501 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/net_reset.c[4546,4559] [2021-02-23 19:03:02,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 19:03:02,536 INFO L208 MainTranslator]: Completed translation [2021-02-23 19:03:02,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 07:03:02 WrapperNode [2021-02-23 19:03:02,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 19:03:02,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 19:03:02,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 19:03:02,538 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 19:03:02,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 07:03:02" (1/1) ... [2021-02-23 19:03:02,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 07:03:02" (1/1) ... [2021-02-23 19:03:02,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 07:03:02" (1/1) ... [2021-02-23 19:03:02,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 07:03:02" (1/1) ... [2021-02-23 19:03:02,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 07:03:02" (1/1) ... [2021-02-23 19:03:02,612 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 07:03:02" (1/1) ... [2021-02-23 19:03:02,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 07:03:02" (1/1) ... [2021-02-23 19:03:02,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 19:03:02,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 19:03:02,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 19:03:02,631 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 19:03:02,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 07:03:02" (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 [2021-02-23 19:03:02,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 19:03:02,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 19:03:02,737 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 19:03:02,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-02-23 19:03:02,737 INFO L138 BoogieDeclarations]: Found implementation of procedure net_reset [2021-02-23 19:03:02,737 INFO L138 BoogieDeclarations]: Found implementation of procedure net_send_batch [2021-02-23 19:03:02,737 INFO L138 BoogieDeclarations]: Found implementation of procedure net_reopen [2021-02-23 19:03:02,738 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 19:03:02,738 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 19:03:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 19:03:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 19:03:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 19:03:02,740 INFO L130 BoogieDeclarations]: Found specification of procedure net_reset [2021-02-23 19:03:02,740 INFO L130 BoogieDeclarations]: Found specification of procedure net_reopen [2021-02-23 19:03:02,740 INFO L130 BoogieDeclarations]: Found specification of procedure net_send_batch [2021-02-23 19:03:02,741 INFO L130 BoogieDeclarations]: Found specification of procedure addrcmp [2021-02-23 19:03:02,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-02-23 19:03:02,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 19:03:02,742 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 19:03:02,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 19:03:02,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 19:03:02,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 19:03:02,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 19:03:02,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 19:03:03,297 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 19:03:03,300 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-23 19:03:03,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 07:03:03 BoogieIcfgContainer [2021-02-23 19:03:03,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 19:03:03,308 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 19:03:03,308 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 19:03:03,318 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 19:03:03,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 07:03:00" (1/3) ... [2021-02-23 19:03:03,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@474683a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 07:03:03, skipping insertion in model container [2021-02-23 19:03:03,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 07:03:02" (2/3) ... [2021-02-23 19:03:03,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@474683a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 07:03:03, skipping insertion in model container [2021-02-23 19:03:03,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 07:03:03" (3/3) ... [2021-02-23 19:03:03,324 INFO L111 eAbstractionObserver]: Analyzing ICFG net_reset.c [2021-02-23 19:03:03,333 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 19:03:03,340 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 19:03:03,365 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 19:03:03,408 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 19:03:03,408 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 19:03:03,408 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-23 19:03:03,409 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 19:03:03,409 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 19:03:03,409 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 19:03:03,409 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 19:03:03,409 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 19:03:03,434 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states. [2021-02-23 19:03:03,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-02-23 19:03:03,448 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 19:03:03,449 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] [2021-02-23 19:03:03,450 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 19:03:03,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 19:03:03,459 INFO L82 PathProgramCache]: Analyzing trace with hash -1258947725, now seen corresponding path program 1 times [2021-02-23 19:03:03,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 19:03:03,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1742262263] [2021-02-23 19:03:03,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 19:03:03,608 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 19:03:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 19:03:03,977 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 19:03:03,979 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 19:03:03,981 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 19:03:03,981 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 19:03:03,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 19:03:03,996 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 19:03:04,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 19:03:04,003 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 19:03:04,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 19:03:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 19:03:04,146 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 19:03:04,149 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 19:03:04,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-02-23 19:03:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 19:03:04,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 19:03:04,195 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 19:03:04,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 19:03:04,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1742262263] [2021-02-23 19:03:04,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 19:03:04,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-23 19:03:04,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486137946] [2021-02-23 19:03:04,242 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-23 19:03:04,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 19:03:04,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-23 19:03:04,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-02-23 19:03:04,261 INFO L87 Difference]: Start difference. First operand 86 states. Second operand 6 states. [2021-02-23 19:03:04,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 19:03:04,719 INFO L93 Difference]: Finished difference Result 101 states and 108 transitions. [2021-02-23 19:03:04,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-23 19:03:04,722 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2021-02-23 19:03:04,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 19:03:04,731 INFO L225 Difference]: With dead ends: 101 [2021-02-23 19:03:04,731 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 19:03:04,736 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-02-23 19:03:04,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 19:03:04,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 19:03:04,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 19:03:04,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 19:03:04,767 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2021-02-23 19:03:04,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 19:03:04,767 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 19:03:04,768 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-23 19:03:04,768 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 19:03:04,768 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 19:03:04,769 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 19:03:04,771 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 19:03:05,801 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-23 19:03:05,802 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-23 19:03:05,802 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-23 19:03:05,802 INFO L192 CegarLoopUtils]: At program point L190(line 190) the Hoare annotation is: true [2021-02-23 19:03:05,803 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2021-02-23 19:03:05,803 INFO L192 CegarLoopUtils]: At program point L190-1(line 190) the Hoare annotation is: true [2021-02-23 19:03:05,803 INFO L192 CegarLoopUtils]: At program point L188(line 188) the Hoare annotation is: true [2021-02-23 19:03:05,804 INFO L192 CegarLoopUtils]: At program point L190-2(line 190) the Hoare annotation is: true [2021-02-23 19:03:05,804 INFO L192 CegarLoopUtils]: At program point L188-1(line 188) the Hoare annotation is: true [2021-02-23 19:03:05,805 INFO L192 CegarLoopUtils]: At program point L190-3(line 190) the Hoare annotation is: true [2021-02-23 19:03:05,805 INFO L185 CegarLoopUtils]: At program point L186(line 186) the Hoare annotation is: (= ~batch_at~0 |old(~batch_at~0)|) [2021-02-23 19:03:05,805 INFO L192 CegarLoopUtils]: At program point L190-4(line 190) the Hoare annotation is: true [2021-02-23 19:03:05,806 INFO L192 CegarLoopUtils]: At program point L190-5(line 190) the Hoare annotation is: true [2021-02-23 19:03:05,806 INFO L192 CegarLoopUtils]: At program point L190-6(line 190) the Hoare annotation is: true [2021-02-23 19:03:05,807 INFO L192 CegarLoopUtils]: At program point L190-7(line 190) the Hoare annotation is: true [2021-02-23 19:03:05,807 INFO L192 CegarLoopUtils]: At program point L190-8(line 190) the Hoare annotation is: true [2021-02-23 19:03:05,807 INFO L192 CegarLoopUtils]: At program point L190-9(line 190) the Hoare annotation is: true [2021-02-23 19:03:05,807 INFO L192 CegarLoopUtils]: At program point L190-10(line 190) the Hoare annotation is: true [2021-02-23 19:03:05,807 INFO L192 CegarLoopUtils]: At program point L190-11(line 190) the Hoare annotation is: true [2021-02-23 19:03:05,808 INFO L192 CegarLoopUtils]: At program point L190-12(line 190) the Hoare annotation is: true [2021-02-23 19:03:05,808 INFO L192 CegarLoopUtils]: At program point L190-13(line 190) the Hoare annotation is: true [2021-02-23 19:03:05,808 INFO L192 CegarLoopUtils]: At program point L190-14(line 190) the Hoare annotation is: true [2021-02-23 19:03:05,808 INFO L192 CegarLoopUtils]: At program point L190-15(line 190) the Hoare annotation is: true [2021-02-23 19:03:05,809 INFO L192 CegarLoopUtils]: At program point L190-16(line 190) the Hoare annotation is: true [2021-02-23 19:03:05,809 INFO L192 CegarLoopUtils]: At program point L190-17(line 190) the Hoare annotation is: true [2021-02-23 19:03:05,809 INFO L185 CegarLoopUtils]: At program point L3(line 3) the Hoare annotation is: (= ~batch_at~0 |old(~batch_at~0)|) [2021-02-23 19:03:05,809 INFO L185 CegarLoopUtils]: At program point L3-1(line 3) the Hoare annotation is: (= ~batch_at~0 |old(~batch_at~0)|) [2021-02-23 19:03:05,810 INFO L185 CegarLoopUtils]: At program point L3-2(line 3) the Hoare annotation is: (= ~batch_at~0 |old(~batch_at~0)|) [2021-02-23 19:03:05,810 INFO L185 CegarLoopUtils]: At program point L3-3(line 3) the Hoare annotation is: (= ~batch_at~0 |old(~batch_at~0)|) [2021-02-23 19:03:05,810 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (= ~batch_at~0 |old(~batch_at~0)|) [2021-02-23 19:03:05,810 INFO L185 CegarLoopUtils]: At program point L3-4(line 3) the Hoare annotation is: (= ~batch_at~0 |old(~batch_at~0)|) [2021-02-23 19:03:05,810 INFO L185 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: (= ~batch_at~0 |old(~batch_at~0)|) [2021-02-23 19:03:05,811 INFO L185 CegarLoopUtils]: At program point L3-5(line 3) the Hoare annotation is: (= ~batch_at~0 |old(~batch_at~0)|) [2021-02-23 19:03:05,811 INFO L185 CegarLoopUtils]: At program point L210(line 210) the Hoare annotation is: (= ~batch_at~0 |old(~batch_at~0)|) [2021-02-23 19:03:05,812 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |~#unspec_addr~0.base| |old(~#unspec_addr~0.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~batch_at~0 |old(~batch_at~0)|) (= |#memory_int| |old(#memory_int)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~fstTTL~0 |old(~fstTTL~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~__tmpTR__int_1~0 |old(~__tmpTR__int_1~0)|) (= |~#unspec_addr~0.offset| |old(~#unspec_addr~0.offset)|) (= |~#host~0.base| |old(~#host~0.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |~#host~0.offset| |old(~#host~0.offset)|)) [2021-02-23 19:03:05,813 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-02-23 19:03:05,814 INFO L185 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: (<= (+ ~batch_at~0 1) ~fstTTL~0) [2021-02-23 19:03:05,815 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-23 19:03:05,817 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-23 19:03:05,820 INFO L185 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: (<= (+ ~batch_at~0 1) ~fstTTL~0) [2021-02-23 19:03:05,821 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 233 237) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~batch_at~0)| ~batch_at~0)) [2021-02-23 19:03:05,821 INFO L185 CegarLoopUtils]: At program point mainFINAL(lines 233 237) the Hoare annotation is: (<= (+ ~batch_at~0 1) ~fstTTL~0) [2021-02-23 19:03:05,821 INFO L185 CegarLoopUtils]: At program point L235(line 235) the Hoare annotation is: (<= (+ ~batch_at~0 1) ~fstTTL~0) [2021-02-23 19:03:05,821 INFO L185 CegarLoopUtils]: At program point L234(line 234) the Hoare annotation is: (= ~batch_at~0 |old(~batch_at~0)|) [2021-02-23 19:03:05,822 INFO L185 CegarLoopUtils]: At program point L234-1(line 234) the Hoare annotation is: (<= (+ ~batch_at~0 1) ~fstTTL~0) [2021-02-23 19:03:05,822 INFO L185 CegarLoopUtils]: At program point mainEXIT(lines 233 237) the Hoare annotation is: (<= (+ ~batch_at~0 1) ~fstTTL~0) [2021-02-23 19:03:05,822 INFO L185 CegarLoopUtils]: At program point L234-2(line 234) the Hoare annotation is: (<= (+ ~batch_at~0 1) ~fstTTL~0) [2021-02-23 19:03:05,822 INFO L192 CegarLoopUtils]: At program point L194-2(lines 193 198) the Hoare annotation is: true [2021-02-23 19:03:05,823 INFO L192 CegarLoopUtils]: At program point __VERIFIER_assertENTRY(lines 193 198) the Hoare annotation is: true [2021-02-23 19:03:05,823 INFO L192 CegarLoopUtils]: At program point __VERIFIER_assertEXIT(lines 193 198) the Hoare annotation is: true [2021-02-23 19:03:05,823 INFO L192 CegarLoopUtils]: At program point L195(line 195) the Hoare annotation is: true [2021-02-23 19:03:05,823 INFO L192 CegarLoopUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 195) the Hoare annotation is: true [2021-02-23 19:03:05,823 INFO L192 CegarLoopUtils]: At program point L194(lines 194 196) the Hoare annotation is: true [2021-02-23 19:03:05,824 INFO L192 CegarLoopUtils]: At program point L195-1(line 195) the Hoare annotation is: true [2021-02-23 19:03:05,824 INFO L185 CegarLoopUtils]: At program point net_reopenEXIT(lines 216 231) the Hoare annotation is: (<= (+ ~batch_at~0 1) ~fstTTL~0) [2021-02-23 19:03:05,824 INFO L185 CegarLoopUtils]: At program point L223(line 223) the Hoare annotation is: (and (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~batch_at~0)| ~batch_at~0)) [2021-02-23 19:03:05,824 INFO L185 CegarLoopUtils]: At program point L223-1(line 223) the Hoare annotation is: (and (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~batch_at~0)| ~batch_at~0)) [2021-02-23 19:03:05,824 INFO L185 CegarLoopUtils]: At program point L230(line 230) the Hoare annotation is: (<= (+ ~batch_at~0 1) ~fstTTL~0) [2021-02-23 19:03:05,825 INFO L185 CegarLoopUtils]: At program point L230-1(line 230) the Hoare annotation is: (<= (+ ~batch_at~0 1) ~fstTTL~0) [2021-02-23 19:03:05,825 INFO L185 CegarLoopUtils]: At program point L226(line 226) the Hoare annotation is: (and (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~batch_at~0)| ~batch_at~0)) [2021-02-23 19:03:05,825 INFO L185 CegarLoopUtils]: At program point L226-1(line 226) the Hoare annotation is: (and (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~batch_at~0)| ~batch_at~0)) [2021-02-23 19:03:05,825 INFO L185 CegarLoopUtils]: At program point net_reopenENTRY(lines 216 231) the Hoare annotation is: (and (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~batch_at~0)| ~batch_at~0)) [2021-02-23 19:03:05,825 INFO L185 CegarLoopUtils]: At program point L220(line 220) the Hoare annotation is: (and (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~batch_at~0)| ~batch_at~0)) [2021-02-23 19:03:05,826 INFO L185 CegarLoopUtils]: At program point net_reopenFINAL(lines 216 231) the Hoare annotation is: (<= (+ ~batch_at~0 1) ~fstTTL~0) [2021-02-23 19:03:05,826 INFO L185 CegarLoopUtils]: At program point L218(line 218) the Hoare annotation is: (and (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~batch_at~0)| ~batch_at~0)) [2021-02-23 19:03:05,826 INFO L185 CegarLoopUtils]: At program point L218-1(line 218) the Hoare annotation is: (and (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~batch_at~0)| ~batch_at~0)) [2021-02-23 19:03:05,826 INFO L185 CegarLoopUtils]: At program point L218-2(lines 218 228) the Hoare annotation is: (and (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~batch_at~0)| ~batch_at~0)) [2021-02-23 19:03:05,826 INFO L185 CegarLoopUtils]: At program point L218-3(lines 218 228) the Hoare annotation is: (and (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~batch_at~0)| ~batch_at~0)) [2021-02-23 19:03:05,827 INFO L185 CegarLoopUtils]: At program point L229(line 229) the Hoare annotation is: (and (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~batch_at~0)| ~batch_at~0)) [2021-02-23 19:03:05,827 INFO L185 CegarLoopUtils]: At program point L229-1(line 229) the Hoare annotation is: (<= (+ ~batch_at~0 1) ~fstTTL~0) [2021-02-23 19:03:05,827 INFO L185 CegarLoopUtils]: At program point net_send_batchENTRY(lines 205 215) the Hoare annotation is: (or (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0)) [2021-02-23 19:03:05,827 INFO L185 CegarLoopUtils]: At program point net_send_batchFINAL(lines 205 215) the Hoare annotation is: (or (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) (and (<= ~batch_at~0 net_send_batch_~i~0) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0))) [2021-02-23 19:03:05,827 INFO L185 CegarLoopUtils]: At program point net_send_batchEXIT(lines 205 215) the Hoare annotation is: (or (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) (and (<= ~batch_at~0 net_send_batch_~i~0) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0))) [2021-02-23 19:03:05,828 INFO L185 CegarLoopUtils]: At program point L210(line 210) the Hoare annotation is: (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) [2021-02-23 19:03:05,828 INFO L185 CegarLoopUtils]: At program point L210-1(line 210) the Hoare annotation is: (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) [2021-02-23 19:03:05,828 INFO L185 CegarLoopUtils]: At program point L208(line 208) the Hoare annotation is: (or (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0)) [2021-02-23 19:03:05,828 INFO L185 CegarLoopUtils]: At program point L210-2(line 210) the Hoare annotation is: (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) [2021-02-23 19:03:05,828 INFO L185 CegarLoopUtils]: At program point L210-3(line 210) the Hoare annotation is: (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) [2021-02-23 19:03:05,828 INFO L185 CegarLoopUtils]: At program point L210-4(lines 210 211) the Hoare annotation is: (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) [2021-02-23 19:03:05,829 INFO L185 CegarLoopUtils]: At program point L210-5(line 210) the Hoare annotation is: (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) [2021-02-23 19:03:05,829 INFO L185 CegarLoopUtils]: At program point L208-3(lines 208 213) the Hoare annotation is: (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) [2021-02-23 19:03:05,829 INFO L185 CegarLoopUtils]: At program point L208-4(line 208) the Hoare annotation is: (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) [2021-02-23 19:03:05,829 INFO L185 CegarLoopUtils]: At program point L210-7(line 210) the Hoare annotation is: (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) [2021-02-23 19:03:05,829 INFO L185 CegarLoopUtils]: At program point L208-5(line 208) the Hoare annotation is: (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) [2021-02-23 19:03:05,830 INFO L185 CegarLoopUtils]: At program point L208-6(lines 208 213) the Hoare annotation is: (or (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) (and (<= ~batch_at~0 net_send_batch_~i~0) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0))) [2021-02-23 19:03:05,830 INFO L185 CegarLoopUtils]: At program point L208-7(lines 208 213) the Hoare annotation is: (or (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) (and (<= ~batch_at~0 net_send_batch_~i~0) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0))) [2021-02-23 19:03:05,830 INFO L185 CegarLoopUtils]: At program point net_resetENTRY(lines 200 204) the Hoare annotation is: (= |old(~batch_at~0)| ~batch_at~0) [2021-02-23 19:03:05,830 INFO L185 CegarLoopUtils]: At program point net_resetEXIT(lines 200 204) the Hoare annotation is: (<= (+ ~batch_at~0 1) ~fstTTL~0) [2021-02-23 19:03:05,830 INFO L185 CegarLoopUtils]: At program point net_resetFINAL(lines 200 204) the Hoare annotation is: (<= (+ ~batch_at~0 1) ~fstTTL~0) [2021-02-23 19:03:05,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 07:03:05 BoogieIcfgContainer [2021-02-23 19:03:05,852 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 19:03:05,855 INFO L168 Benchmark]: Toolchain (without parser) took 5187.80 ms. Allocated memory was 157.3 MB in the beginning and 438.3 MB in the end (delta: 281.0 MB). Free memory was 132.9 MB in the beginning and 161.7 MB in the end (delta: -28.8 MB). Peak memory consumption was 252.8 MB. Max. memory is 8.0 GB. [2021-02-23 19:03:05,855 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 157.3 MB. Free memory is still 132.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 19:03:05,857 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1854.18 ms. Allocated memory was 157.3 MB in the beginning and 219.2 MB in the end (delta: 61.9 MB). Free memory was 131.8 MB in the beginning and 100.1 MB in the end (delta: 31.7 MB). Peak memory consumption was 115.4 MB. Max. memory is 8.0 GB. [2021-02-23 19:03:05,858 INFO L168 Benchmark]: Boogie Preprocessor took 91.32 ms. Allocated memory is still 219.2 MB. Free memory was 100.1 MB in the beginning and 98.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-23 19:03:05,859 INFO L168 Benchmark]: RCFGBuilder took 672.67 ms. Allocated memory is still 219.2 MB. Free memory was 98.0 MB in the beginning and 110.0 MB in the end (delta: -11.9 MB). Peak memory consumption was 28.4 MB. Max. memory is 8.0 GB. [2021-02-23 19:03:05,860 INFO L168 Benchmark]: TraceAbstraction took 2544.26 ms. Allocated memory was 219.2 MB in the beginning and 438.3 MB in the end (delta: 219.2 MB). Free memory was 109.4 MB in the beginning and 161.7 MB in the end (delta: -52.3 MB). Peak memory consumption was 166.6 MB. Max. memory is 8.0 GB. [2021-02-23 19:03:05,864 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 157.3 MB. Free memory is still 132.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1854.18 ms. Allocated memory was 157.3 MB in the beginning and 219.2 MB in the end (delta: 61.9 MB). Free memory was 131.8 MB in the beginning and 100.1 MB in the end (delta: 31.7 MB). Peak memory consumption was 115.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 91.32 ms. Allocated memory is still 219.2 MB. Free memory was 100.1 MB in the beginning and 98.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 672.67 ms. Allocated memory is still 219.2 MB. Free memory was 98.0 MB in the beginning and 110.0 MB in the end (delta: -11.9 MB). Peak memory consumption was 28.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2544.26 ms. Allocated memory was 219.2 MB in the beginning and 438.3 MB in the end (delta: 219.2 MB). Free memory was 109.4 MB in the beginning and 161.7 MB in the end (delta: -52.3 MB). Peak memory consumption was 166.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 195]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: !(batch_at + 1 <= fstTTL) || (batch_at <= i && \old(__tmpTR__int_1) == __tmpTR__int_1) - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: \old(__tmpTR__int_1) == __tmpTR__int_1 && \old(batch_at) == batch_at - ProcedureContractResult [Line: 233]: Procedure Contract for main Derived contract for procedure main: batch_at + 1 <= fstTTL - ProcedureContractResult [Line: 193]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: 1 - ProcedureContractResult [Line: 205]: Procedure Contract for net_send_batch Derived contract for procedure net_send_batch: !(batch_at + 1 <= fstTTL) || (batch_at <= i && \old(__tmpTR__int_1) == __tmpTR__int_1) - ProcedureContractResult [Line: 216]: Procedure Contract for net_reopen Derived contract for procedure net_reopen: batch_at + 1 <= fstTTL - ProcedureContractResult [Line: 200]: Procedure Contract for net_reset Derived contract for procedure net_reset: batch_at + 1 <= fstTTL - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 64 SDtfs, 45 SDslu, 111 SDs, 0 SdLazy, 99 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 86 LocationsWithAnnotation, 86 PreInvPairs, 101 NumberOfFragments, 424 HoareAnnotationTreeSize, 86 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 86 FomulaSimplificationsInter, 1074 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, 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 correct! Received shutdown request...