./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-counterex1b.c --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version b2eff8ba
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7f068c-f146-4452-9ef4-91062db12c5a/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7f068c-f146-4452-9ef4-91062db12c5a/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7f068c-f146-4452-9ef4-91062db12c5a/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7f068c-f146-4452-9ef4-91062db12c5a/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-counterex1b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7f068c-f146-4452-9ef4-91062db12c5a/bin/uautomizer-GMMbpWq8iD/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7f068c-f146-4452-9ef4-91062db12c5a/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 68a9d192571af20a9caff88653fa376c42853b2f0586dd5e85037ba45183dc65
............................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(OVERFLOW)
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-b2eff8b
[2021-10-28 23:57:23,272 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-10-28 23:57:23,275 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-28 23:57:23,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-28 23:57:23,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-28 23:57:23,324 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-28 23:57:23,326 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-28 23:57:23,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-28 23:57:23,336 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-28 23:57:23,338 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-28 23:57:23,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-10-28 23:57:23,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-28 23:57:23,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-28 23:57:23,355 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-28 23:57:23,357 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-28 23:57:23,359 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-28 23:57:23,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-28 23:57:23,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-28 23:57:23,365 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-28 23:57:23,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-28 23:57:23,371 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-28 23:57:23,374 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-28 23:57:23,376 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-10-28 23:57:23,377 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-28 23:57:23,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-28 23:57:23,383 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-28 23:57:23,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-28 23:57:23,386 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-28 23:57:23,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-28 23:57:23,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-28 23:57:23,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-28 23:57:23,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-28 23:57:23,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-28 23:57:23,393 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-28 23:57:23,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-28 23:57:23,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-28 23:57:23,402 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-28 23:57:23,403 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-28 23:57:23,404 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-28 23:57:23,406 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-28 23:57:23,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-10-28 23:57:23,408 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7f068c-f146-4452-9ef4-91062db12c5a/bin/uautomizer-GMMbpWq8iD/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2021-10-28 23:57:23,465 INFO L113 SettingsManager]: Loading preferences was successful
[2021-10-28 23:57:23,465 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-28 23:57:23,466 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-28 23:57:23,467 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-28 23:57:23,468 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-28 23:57:23,469 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-10-28 23:57:23,469 INFO L138 SettingsManager]: * Use SBE=true
[2021-10-28 23:57:23,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-28 23:57:23,470 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-10-28 23:57:23,470 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-10-28 23:57:23,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-10-28 23:57:23,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-10-28 23:57:23,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-28 23:57:23,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-10-28 23:57:23,473 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true
[2021-10-28 23:57:23,474 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-10-28 23:57:23,474 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-10-28 23:57:23,474 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-10-28 23:57:23,475 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-28 23:57:23,475 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-10-28 23:57:23,475 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-10-28 23:57:23,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-28 23:57:23,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-28 23:57:23,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-10-28 23:57:23,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-28 23:57:23,477 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-10-28 23:57:23,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-28 23:57:23,477 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-28 23:57:23,478 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-10-28 23:57:23,480 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7f068c-f146-4452-9ef4-91062db12c5a/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7f068c-f146-4452-9ef4-91062db12c5a/bin/uautomizer-GMMbpWq8iD
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68a9d192571af20a9caff88653fa376c42853b2f0586dd5e85037ba45183dc65
[2021-10-28 23:57:23,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-28 23:57:23,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-28 23:57:23,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-28 23:57:23,827 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-10-28 23:57:23,828 INFO L275 PluginConnector]: CDTParser initialized
[2021-10-28 23:57:23,830 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7f068c-f146-4452-9ef4-91062db12c5a/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-counterex1b.c
[2021-10-28 23:57:23,925 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7f068c-f146-4452-9ef4-91062db12c5a/bin/uautomizer-GMMbpWq8iD/data/5360386d8/7784da5c8fc7421e85b2f898076f2221/FLAGfed25ceb5
[2021-10-28 23:57:24,461 INFO L306 CDTParser]: Found 1 translation units.
[2021-10-28 23:57:24,461 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7f068c-f146-4452-9ef4-91062db12c5a/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-counterex1b.c
[2021-10-28 23:57:24,477 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7f068c-f146-4452-9ef4-91062db12c5a/bin/uautomizer-GMMbpWq8iD/data/5360386d8/7784da5c8fc7421e85b2f898076f2221/FLAGfed25ceb5
[2021-10-28 23:57:24,812 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7f068c-f146-4452-9ef4-91062db12c5a/bin/uautomizer-GMMbpWq8iD/data/5360386d8/7784da5c8fc7421e85b2f898076f2221
[2021-10-28 23:57:24,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-28 23:57:24,817 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-28 23:57:24,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-28 23:57:24,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-28 23:57:24,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-28 23:57:24,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:57:24" (1/1) ...
[2021-10-28 23:57:24,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4126e129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:57:24, skipping insertion in model container
[2021-10-28 23:57:24,839 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:57:24" (1/1) ...
[2021-10-28 23:57:24,847 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-10-28 23:57:24,862 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-10-28 23:57:25,045 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:57:25,050 INFO L203 MainTranslator]: Completed pre-run
[2021-10-28 23:57:25,096 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:57:25,109 INFO L208 MainTranslator]: Completed translation
[2021-10-28 23:57:25,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:57:25 WrapperNode
[2021-10-28 23:57:25,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-28 23:57:25,111 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-28 23:57:25,112 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-28 23:57:25,112 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-28 23:57:25,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:57:25" (1/1) ...
[2021-10-28 23:57:25,129 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:57:25" (1/1) ...
[2021-10-28 23:57:25,155 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-28 23:57:25,157 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-28 23:57:25,158 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-28 23:57:25,158 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-10-28 23:57:25,168 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:57:25" (1/1) ...
[2021-10-28 23:57:25,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:57:25" (1/1) ...
[2021-10-28 23:57:25,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:57:25" (1/1) ...
[2021-10-28 23:57:25,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:57:25" (1/1) ...
[2021-10-28 23:57:25,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:57:25" (1/1) ...
[2021-10-28 23:57:25,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:57:25" (1/1) ...
[2021-10-28 23:57:25,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:57:25" (1/1) ...
[2021-10-28 23:57:25,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-28 23:57:25,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-28 23:57:25,204 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-10-28 23:57:25,204 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-10-28 23:57:25,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:57:25" (1/1) ...
[2021-10-28 23:57:25,217 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-28 23:57:25,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7f068c-f146-4452-9ef4-91062db12c5a/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:57:25,247 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7f068c-f146-4452-9ef4-91062db12c5a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-10-28 23:57:25,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7f068c-f146-4452-9ef4-91062db12c5a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-10-28 23:57:25,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-28 23:57:25,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-28 23:57:25,545 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-28 23:57:25,545 INFO L299 CfgBuilder]: Removed 7 assume(true) statements.
[2021-10-28 23:57:25,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:57:25 BoogieIcfgContainer
[2021-10-28 23:57:25,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-28 23:57:25,551 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-28 23:57:25,551 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-10-28 23:57:25,555 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-10-28 23:57:25,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:57:24" (1/3) ...
[2021-10-28 23:57:25,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@406619c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:57:25, skipping insertion in model container
[2021-10-28 23:57:25,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:57:25" (2/3) ...
[2021-10-28 23:57:25,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@406619c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:57:25, skipping insertion in model container
[2021-10-28 23:57:25,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:57:25" (3/3) ...
[2021-10-28 23:57:25,560 INFO L111 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-counterex1b.c
[2021-10-28 23:57:25,567 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-28 23:57:25,568 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations.
[2021-10-28 23:57:25,624 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-10-28 23:57:25,633 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2021-10-28 23:57:25,633 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2021-10-28 23:57:25,653 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 23 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:57:25,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2021-10-28 23:57:25,659 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 23:57:25,660 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1]
[2021-10-28 23:57:25,661 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2021-10-28 23:57:25,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:57:25,669 INFO L85 PathProgramCache]: Analyzing trace with hash 963948, now seen corresponding path program 1 times
[2021-10-28 23:57:25,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:57:25,681 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330651684]
[2021-10-28 23:57:25,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:57:25,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:57:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:57:25,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:57:25,861 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:57:25,862 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330651684]
[2021-10-28 23:57:25,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330651684] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:57:25,863 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:57:25,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-28 23:57:25,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100950703]
[2021-10-28 23:57:25,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-10-28 23:57:25,873 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:57:25,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-10-28 23:57:25,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-10-28 23:57:25,906 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 23 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:57:25,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:57:25,942 INFO L93 Difference]: Finished difference Result 47 states and 61 transitions.
[2021-10-28 23:57:25,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-10-28 23:57:25,944 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4
[2021-10-28 23:57:25,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:57:25,970 INFO L225 Difference]: With dead ends: 47
[2021-10-28 23:57:25,971 INFO L226 Difference]: Without dead ends: 20
[2021-10-28 23:57:25,974 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-10-28 23:57:25,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states.
[2021-10-28 23:57:26,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20.
[2021-10-28 23:57:26,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 19 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:57:26,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions.
[2021-10-28 23:57:26,017 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 4
[2021-10-28 23:57:26,018 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:57:26,018 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions.
[2021-10-28 23:57:26,019 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:57:26,019 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions.
[2021-10-28 23:57:26,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2021-10-28 23:57:26,021 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 23:57:26,021 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2021-10-28 23:57:26,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-28 23:57:26,023 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2021-10-28 23:57:26,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:57:26,027 INFO L85 PathProgramCache]: Analyzing trace with hash 925832983, now seen corresponding path program 1 times
[2021-10-28 23:57:26,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:57:26,029 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750764372]
[2021-10-28 23:57:26,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:57:26,030 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:57:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:57:26,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:57:26,161 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:57:26,161 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750764372]
[2021-10-28 23:57:26,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750764372] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:57:26,162 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:57:26,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2021-10-28 23:57:26,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696639911]
[2021-10-28 23:57:26,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 23:57:26,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:57:26,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:57:26,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:57:26,167 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:57:26,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:57:26,214 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions.
[2021-10-28 23:57:26,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 23:57:26,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2021-10-28 23:57:26,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:57:26,217 INFO L225 Difference]: With dead ends: 20
[2021-10-28 23:57:26,217 INFO L226 Difference]: Without dead ends: 19
[2021-10-28 23:57:26,218 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:57:26,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states.
[2021-10-28 23:57:26,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19.
[2021-10-28 23:57:26,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 18 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:57:26,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions.
[2021-10-28 23:57:26,223 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 23 transitions. Word has length 6
[2021-10-28 23:57:26,223 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:57:26,224 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 23 transitions.
[2021-10-28 23:57:26,224 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:57:26,224 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions.
[2021-10-28 23:57:26,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2021-10-28 23:57:26,225 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 23:57:26,225 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2021-10-28 23:57:26,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-28 23:57:26,226 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2021-10-28 23:57:26,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:57:26,227 INFO L85 PathProgramCache]: Analyzing trace with hash 925833038, now seen corresponding path program 1 times
[2021-10-28 23:57:26,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:57:26,227 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528653421]
[2021-10-28 23:57:26,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:57:26,228 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:57:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:57:26,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:57:26,298 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:57:26,298 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528653421]
[2021-10-28 23:57:26,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528653421] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:57:26,299 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:57:26,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2021-10-28 23:57:26,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910654362]
[2021-10-28 23:57:26,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 23:57:26,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:57:26,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:57:26,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:57:26,303 INFO L87 Difference]: Start difference. First operand 19 states and 23 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:57:26,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:57:26,347 INFO L93 Difference]: Finished difference Result 34 states and 43 transitions.
[2021-10-28 23:57:26,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 23:57:26,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2021-10-28 23:57:26,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:57:26,349 INFO L225 Difference]: With dead ends: 34
[2021-10-28 23:57:26,349 INFO L226 Difference]: Without dead ends: 33
[2021-10-28 23:57:26,350 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:57:26,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states.
[2021-10-28 23:57:26,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 30.
[2021-10-28 23:57:26,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 25 states have (on average 1.6) internal successors, (40), 29 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:57:26,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions.
[2021-10-28 23:57:26,359 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 6
[2021-10-28 23:57:26,359 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:57:26,359 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions.
[2021-10-28 23:57:26,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:57:26,360 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions.
[2021-10-28 23:57:26,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2021-10-28 23:57:26,360 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 23:57:26,361 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:57:26,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-10-28 23:57:26,362 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2021-10-28 23:57:26,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:57:26,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1363948532, now seen corresponding path program 1 times
[2021-10-28 23:57:26,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:57:26,363 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726922224]
[2021-10-28 23:57:26,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:57:26,364 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:57:26,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:57:26,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:57:26,398 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:57:26,398 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726922224]
[2021-10-28 23:57:26,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726922224] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:57:26,399 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:57:26,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-28 23:57:26,400 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522469482]
[2021-10-28 23:57:26,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 23:57:26,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:57:26,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:57:26,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:57:26,402 INFO L87 Difference]: Start difference. First operand 30 states and 40 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:57:26,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:57:26,415 INFO L93 Difference]: Finished difference Result 30 states and 40 transitions.
[2021-10-28 23:57:26,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 23:57:26,417 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7
[2021-10-28 23:57:26,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:57:26,418 INFO L225 Difference]: With dead ends: 30
[2021-10-28 23:57:26,418 INFO L226 Difference]: Without dead ends: 29
[2021-10-28 23:57:26,419 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:57:26,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states.
[2021-10-28 23:57:26,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29.
[2021-10-28 23:57:26,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 25 states have (on average 1.52) internal successors, (38), 28 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:57:26,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 38 transitions.
[2021-10-28 23:57:26,427 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 38 transitions. Word has length 7
[2021-10-28 23:57:26,427 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:57:26,427 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 38 transitions.
[2021-10-28 23:57:26,428 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:57:26,428 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions.
[2021-10-28 23:57:26,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2021-10-28 23:57:26,441 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 23:57:26,441 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:57:26,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-10-28 23:57:26,442 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2021-10-28 23:57:26,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:57:26,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1363946834, now seen corresponding path program 1 times
[2021-10-28 23:57:26,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:57:26,444 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429618335]
[2021-10-28 23:57:26,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:57:26,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:57:26,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:57:26,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:57:26,522 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:57:26,522 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429618335]
[2021-10-28 23:57:26,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429618335] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:57:26,523 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:57:26,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 23:57:26,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135991458]
[2021-10-28 23:57:26,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-10-28 23:57:26,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:57:26,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-28 23:57:26,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-28 23:57:26,526 INFO L87 Difference]: Start difference. First operand 29 states and 38 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:57:26,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:57:26,611 INFO L93 Difference]: Finished difference Result 50 states and 68 transitions.
[2021-10-28 23:57:26,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-10-28 23:57:26,614 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7
[2021-10-28 23:57:26,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:57:26,616 INFO L225 Difference]: With dead ends: 50
[2021-10-28 23:57:26,621 INFO L226 Difference]: Without dead ends: 48
[2021-10-28 23:57:26,622 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-28 23:57:26,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states.
[2021-10-28 23:57:26,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48.
[2021-10-28 23:57:26,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 45 states have (on average 1.4444444444444444) internal successors, (65), 47 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:57:26,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 65 transitions.
[2021-10-28 23:57:26,645 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 65 transitions. Word has length 7
[2021-10-28 23:57:26,646 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:57:26,646 INFO L470 AbstractCegarLoop]: Abstraction has 48 states and 65 transitions.
[2021-10-28 23:57:26,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:57:26,647 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions.
[2021-10-28 23:57:26,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2021-10-28 23:57:26,650 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 23:57:26,650 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:57:26,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-10-28 23:57:26,652 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2021-10-28 23:57:26,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:57:26,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1488503985, now seen corresponding path program 1 times
[2021-10-28 23:57:26,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:57:26,657 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593034738]
[2021-10-28 23:57:26,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:57:26,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:57:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:57:26,700 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:57:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:57:26,759 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:57:26,760 INFO L627 BasicCegarLoop]: Counterexample is feasible
[2021-10-28 23:57:26,761 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-28 23:57:26,764 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-28 23:57:26,765 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-28 23:57:26,766 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-28 23:57:26,766 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-28 23:57:26,767 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-28 23:57:26,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-10-28 23:57:26,772 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2021-10-28 23:57:26,776 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-10-28 23:57:26,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:57:26 BoogieIcfgContainer
[2021-10-28 23:57:26,803 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-28 23:57:26,807 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-28 23:57:26,807 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-10-28 23:57:26,808 INFO L275 PluginConnector]: Witness Printer initialized
[2021-10-28 23:57:26,808 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:57:25" (3/4) ...
[2021-10-28 23:57:26,812 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample
[2021-10-28 23:57:26,875 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7f068c-f146-4452-9ef4-91062db12c5a/bin/uautomizer-GMMbpWq8iD/witness.graphml
[2021-10-28 23:57:26,875 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-28 23:57:26,877 INFO L168 Benchmark]: Toolchain (without parser) took 2059.68 ms. Allocated memory was 100.7 MB in the beginning and 136.3 MB in the end (delta: 35.7 MB). Free memory was 66.0 MB in the beginning and 90.3 MB in the end (delta: -24.3 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB.
[2021-10-28 23:57:26,879 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 100.7 MB. Free memory was 72.1 MB in the beginning and 72.0 MB in the end (delta: 28.0 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 23:57:26,884 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.69 ms. Allocated memory is still 100.7 MB. Free memory was 65.8 MB in the beginning and 76.7 MB in the end (delta: -10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
[2021-10-28 23:57:26,886 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.04 ms. Allocated memory is still 100.7 MB. Free memory was 76.7 MB in the beginning and 75.4 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 23:57:26,888 INFO L168 Benchmark]: Boogie Preprocessor took 44.93 ms. Allocated memory is still 100.7 MB. Free memory was 75.4 MB in the beginning and 74.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-28 23:57:26,888 INFO L168 Benchmark]: RCFGBuilder took 344.56 ms. Allocated memory is still 100.7 MB. Free memory was 74.3 MB in the beginning and 65.6 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-10-28 23:57:26,889 INFO L168 Benchmark]: TraceAbstraction took 1255.19 ms. Allocated memory was 100.7 MB in the beginning and 136.3 MB in the end (delta: 35.7 MB). Free memory was 65.0 MB in the beginning and 91.8 MB in the end (delta: -26.8 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB.
[2021-10-28 23:57:26,890 INFO L168 Benchmark]: Witness Printer took 68.77 ms. Allocated memory is still 136.3 MB. Free memory was 91.8 MB in the beginning and 90.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-28 23:57:26,893 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.37 ms. Allocated memory is still 100.7 MB. Free memory was 72.1 MB in the beginning and 72.0 MB in the end (delta: 28.0 kB). There was no memory consumed. Max. memory is 16.1 GB.
* CACSL2BoogieTranslator took 291.69 ms. Allocated memory is still 100.7 MB. Free memory was 65.8 MB in the beginning and 76.7 MB in the end (delta: -10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
* Boogie Procedure Inliner took 45.04 ms. Allocated memory is still 100.7 MB. Free memory was 76.7 MB in the beginning and 75.4 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB.
* Boogie Preprocessor took 44.93 ms. Allocated memory is still 100.7 MB. Free memory was 75.4 MB in the beginning and 74.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* RCFGBuilder took 344.56 ms. Allocated memory is still 100.7 MB. Free memory was 74.3 MB in the beginning and 65.6 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
* TraceAbstraction took 1255.19 ms. Allocated memory was 100.7 MB in the beginning and 136.3 MB in the end (delta: 35.7 MB). Free memory was 65.0 MB in the beginning and 91.8 MB in the end (delta: -26.8 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB.
* Witness Printer took 68.77 ms. Allocated memory is still 136.3 MB. Free memory was 91.8 MB in the beginning and 90.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- CounterExampleResult [Line: 24]: integer overflow possible
integer overflow possible
We found a FailurePath:
[L14] int x, y, n;
[L15] n = __VERIFIER_nondet_int()
[L16] x = __VERIFIER_nondet_int()
[L17] y = __VERIFIER_nondet_int()
[L18] COND TRUE x >= 0
[L19] y >= 0 && __VERIFIER_nondet_int() != 0
[L19] y >= 0 && __VERIFIER_nondet_int() != 0
[L19] COND FALSE !(y >= 0 && __VERIFIER_nondet_int() != 0)
[L22] EXPR x - 1
[L22] x = x - 1
[L23] y <= n && __VERIFIER_nondet_int() != 0
[L23] y <= n && __VERIFIER_nondet_int() != 0
[L23] COND TRUE y <= n && __VERIFIER_nondet_int() != 0
[L24] y + 1
- UnprovableResult [Line: 20]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 20]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 22]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 22]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 24]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 24 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 96 SDtfs, 67 SDslu, 28 SDs, 0 SdLazy, 43 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=5, InterpolantAutomatonStates: 15, 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, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 66 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2021-10-28 23:57:26,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7f068c-f146-4452-9ef4-91062db12c5a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...