./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.c --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 5e519f3a
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2543b5b-9045-4f17-9bb2-9817869969aa/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2543b5b-9045-4f17-9bb2-9817869969aa/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2543b5b-9045-4f17-9bb2-9817869969aa/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2543b5b-9045-4f17-9bb2-9817869969aa/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2543b5b-9045-4f17-9bb2-9817869969aa/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2543b5b-9045-4f17-9bb2-9817869969aa/bin/uautomizer-Dbtcem3rbc --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 f1c0f52e4e285a18472ace03d4db4ceb89212d4af812bbedd827878c931f4f63
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-5e519f3
[2022-11-02 21:10:11,133 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-02 21:10:11,136 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 21:10:11,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 21:10:11,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 21:10:11,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 21:10:11,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 21:10:11,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 21:10:11,201 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 21:10:11,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 21:10:11,207 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 21:10:11,210 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 21:10:11,210 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 21:10:11,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 21:10:11,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 21:10:11,216 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 21:10:11,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 21:10:11,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 21:10:11,221 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 21:10:11,229 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 21:10:11,231 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 21:10:11,232 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 21:10:11,235 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 21:10:11,236 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 21:10:11,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 21:10:11,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 21:10:11,245 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 21:10:11,247 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 21:10:11,248 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 21:10:11,249 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 21:10:11,249 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 21:10:11,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 21:10:11,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 21:10:11,254 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 21:10:11,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 21:10:11,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 21:10:11,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 21:10:11,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 21:10:11,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 21:10:11,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 21:10:11,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 21:10:11,259 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2543b5b-9045-4f17-9bb2-9817869969aa/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2022-11-02 21:10:11,289 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-02 21:10:11,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 21:10:11,289 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 21:10:11,289 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 21:10:11,290 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 21:10:11,290 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 21:10:11,291 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 21:10:11,291 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-02 21:10:11,291 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-02 21:10:11,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 21:10:11,292 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2022-11-02 21:10:11,292 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-02 21:10:11,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-02 21:10:11,292 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 21:10:11,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 21:10:11,292 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 21:10:11,293 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true
[2022-11-02 21:10:11,293 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-02 21:10:11,295 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-02 21:10:11,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-11-02 21:10:11,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 21:10:11,295 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-02 21:10:11,296 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-11-02 21:10:11,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 21:10:11,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 21:10:11,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 21:10:11,298 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 21:10:11,298 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-11-02 21:10:11,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-02 21:10:11,299 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 21:10:11,299 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_f2543b5b-9045-4f17-9bb2-9817869969aa/bin/uautomizer-Dbtcem3rbc/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2543b5b-9045-4f17-9bb2-9817869969aa/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1c0f52e4e285a18472ace03d4db4ceb89212d4af812bbedd827878c931f4f63
[2022-11-02 21:10:11,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 21:10:11,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 21:10:11,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 21:10:11,621 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-02 21:10:11,622 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-02 21:10:11,623 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2543b5b-9045-4f17-9bb2-9817869969aa/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.c
[2022-11-02 21:10:11,690 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2543b5b-9045-4f17-9bb2-9817869969aa/bin/uautomizer-Dbtcem3rbc/data/63cade9c4/00ff617ca13b4ee297a6f6679ff35be0/FLAG4a5103a39
[2022-11-02 21:10:12,120 INFO L306 CDTParser]: Found 1 translation units.
[2022-11-02 21:10:12,121 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2543b5b-9045-4f17-9bb2-9817869969aa/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.c
[2022-11-02 21:10:12,130 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2543b5b-9045-4f17-9bb2-9817869969aa/bin/uautomizer-Dbtcem3rbc/data/63cade9c4/00ff617ca13b4ee297a6f6679ff35be0/FLAG4a5103a39
[2022-11-02 21:10:12,543 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2543b5b-9045-4f17-9bb2-9817869969aa/bin/uautomizer-Dbtcem3rbc/data/63cade9c4/00ff617ca13b4ee297a6f6679ff35be0
[2022-11-02 21:10:12,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 21:10:12,550 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 21:10:12,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 21:10:12,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 21:10:12,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 21:10:12,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:10:12" (1/1) ...
[2022-11-02 21:10:12,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fca40bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:12, skipping insertion in model container
[2022-11-02 21:10:12,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:10:12" (1/1) ...
[2022-11-02 21:10:12,570 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-02 21:10:12,582 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-02 21:10:12,793 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 21:10:12,802 INFO L203 MainTranslator]: Completed pre-run
[2022-11-02 21:10:12,818 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 21:10:12,827 INFO L208 MainTranslator]: Completed translation
[2022-11-02 21:10:12,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:12 WrapperNode
[2022-11-02 21:10:12,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 21:10:12,828 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 21:10:12,828 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 21:10:12,829 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 21:10:12,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:12" (1/1) ...
[2022-11-02 21:10:12,838 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:12" (1/1) ...
[2022-11-02 21:10:12,855 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27
[2022-11-02 21:10:12,855 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 21:10:12,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 21:10:12,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 21:10:12,856 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 21:10:12,865 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:12" (1/1) ...
[2022-11-02 21:10:12,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:12" (1/1) ...
[2022-11-02 21:10:12,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:12" (1/1) ...
[2022-11-02 21:10:12,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:12" (1/1) ...
[2022-11-02 21:10:12,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:12" (1/1) ...
[2022-11-02 21:10:12,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:12" (1/1) ...
[2022-11-02 21:10:12,872 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:12" (1/1) ...
[2022-11-02 21:10:12,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:12" (1/1) ...
[2022-11-02 21:10:12,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 21:10:12,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 21:10:12,875 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 21:10:12,875 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-02 21:10:12,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:12" (1/1) ...
[2022-11-02 21:10:12,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 21:10:12,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2543b5b-9045-4f17-9bb2-9817869969aa/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:10:12,915 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2543b5b-9045-4f17-9bb2-9817869969aa/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 21:10:12,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2543b5b-9045-4f17-9bb2-9817869969aa/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 21:10:12,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 21:10:12,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 21:10:13,037 INFO L235 CfgBuilder]: Building ICFG
[2022-11-02 21:10:13,039 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 21:10:13,138 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-02 21:10:13,144 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 21:10:13,145 INFO L300 CfgBuilder]: Removed 2 assume(true) statements.
[2022-11-02 21:10:13,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:10:13 BoogieIcfgContainer
[2022-11-02 21:10:13,147 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 21:10:13,149 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 21:10:13,149 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 21:10:13,154 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-11-02 21:10:13,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:10:12" (1/3) ...
[2022-11-02 21:10:13,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2838e06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:10:13, skipping insertion in model container
[2022-11-02 21:10:13,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:12" (2/3) ...
[2022-11-02 21:10:13,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2838e06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:10:13, skipping insertion in model container
[2022-11-02 21:10:13,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:10:13" (3/3) ...
[2022-11-02 21:10:13,157 INFO L112 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-wcet2.c
[2022-11-02 21:10:13,179 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 21:10:13,179 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2022-11-02 21:10:13,244 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-02 21:10:13,251 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2d5e4da4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-02 21:10:13,251 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2022-11-02 21:10:13,255 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 15 states have internal predecessors, (19), 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)
[2022-11-02 21:10:13,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2022-11-02 21:10:13,267 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 21:10:13,268 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2022-11-02 21:10:13,268 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2022-11-02 21:10:13,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:10:13,277 INFO L85 PathProgramCache]: Analyzing trace with hash 28699890, now seen corresponding path program 1 times
[2022-11-02 21:10:13,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:10:13,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559197780]
[2022-11-02 21:10:13,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:10:13,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:10:13,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:10:13,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 21:10:13,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:10:13,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559197780]
[2022-11-02 21:10:13,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559197780] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:10:13,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:10:13,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 21:10:13,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465486365]
[2022-11-02 21:10:13,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:10:13,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 21:10:13,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:10:13,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 21:10:13,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 21:10:13,593 INFO L87 Difference]: Start difference. First operand has 16 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 15 states have internal predecessors, (19), 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 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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)
[2022-11-02 21:10:13,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:10:13,659 INFO L93 Difference]: Finished difference Result 29 states and 36 transitions.
[2022-11-02 21:10:13,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 21:10:13,662 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5
[2022-11-02 21:10:13,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 21:10:13,670 INFO L225 Difference]: With dead ends: 29
[2022-11-02 21:10:13,681 INFO L226 Difference]: Without dead ends: 11
[2022-11-02 21:10:13,684 INFO L412 NwaCegarLoop]: 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
[2022-11-02 21:10:13,687 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 7 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 21:10:13,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 15 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 21:10:13,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states.
[2022-11-02 21:10:13,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11.
[2022-11-02 21:10:13,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 8 states have (on average 1.5) internal successors, (12), 10 states have internal predecessors, (12), 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)
[2022-11-02 21:10:13,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions.
[2022-11-02 21:10:13,756 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 5
[2022-11-02 21:10:13,756 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 21:10:13,756 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions.
[2022-11-02 21:10:13,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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)
[2022-11-02 21:10:13,757 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions.
[2022-11-02 21:10:13,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2022-11-02 21:10:13,761 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 21:10:13,761 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2022-11-02 21:10:13,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-02 21:10:13,762 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2022-11-02 21:10:13,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:10:13,762 INFO L85 PathProgramCache]: Analyzing trace with hash 28699945, now seen corresponding path program 1 times
[2022-11-02 21:10:13,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:10:13,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948422702]
[2022-11-02 21:10:13,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:10:13,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:10:13,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:10:13,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 21:10:13,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:10:13,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948422702]
[2022-11-02 21:10:13,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948422702] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:10:13,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:10:13,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 21:10:13,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574396954]
[2022-11-02 21:10:13,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:10:13,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 21:10:13,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:10:13,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 21:10:13,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 21:10:13,830 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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)
[2022-11-02 21:10:13,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:10:13,870 INFO L93 Difference]: Finished difference Result 19 states and 22 transitions.
[2022-11-02 21:10:13,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 21:10:13,871 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5
[2022-11-02 21:10:13,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 21:10:13,873 INFO L225 Difference]: With dead ends: 19
[2022-11-02 21:10:13,874 INFO L226 Difference]: Without dead ends: 18
[2022-11-02 21:10:13,874 INFO L412 NwaCegarLoop]: 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
[2022-11-02 21:10:13,876 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 6 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 21:10:13,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 12 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 21:10:13,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states.
[2022-11-02 21:10:13,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 13.
[2022-11-02 21:10:13,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.5) internal successors, (15), 12 states have internal predecessors, (15), 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)
[2022-11-02 21:10:13,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions.
[2022-11-02 21:10:13,886 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 5
[2022-11-02 21:10:13,887 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 21:10:13,888 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions.
[2022-11-02 21:10:13,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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)
[2022-11-02 21:10:13,889 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions.
[2022-11-02 21:10:13,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2022-11-02 21:10:13,891 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 21:10:13,891 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2022-11-02 21:10:13,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-02 21:10:13,891 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2022-11-02 21:10:13,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:10:13,893 INFO L85 PathProgramCache]: Analyzing trace with hash 889696651, now seen corresponding path program 1 times
[2022-11-02 21:10:13,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:10:13,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750994659]
[2022-11-02 21:10:13,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:10:13,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:10:13,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:10:13,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 21:10:13,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:10:13,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750994659]
[2022-11-02 21:10:13,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750994659] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:10:13,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:10:13,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 21:10:13,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895862024]
[2022-11-02 21:10:13,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:10:13,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 21:10:13,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:10:13,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 21:10:13,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 21:10:13,969 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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)
[2022-11-02 21:10:13,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:10:13,988 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions.
[2022-11-02 21:10:13,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 21:10:13,989 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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
[2022-11-02 21:10:13,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 21:10:13,991 INFO L225 Difference]: With dead ends: 13
[2022-11-02 21:10:13,991 INFO L226 Difference]: Without dead ends: 12
[2022-11-02 21:10:13,992 INFO L412 NwaCegarLoop]: 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
[2022-11-02 21:10:13,995 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 5 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 21:10:13,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 7 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 21:10:13,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states.
[2022-11-02 21:10:14,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12.
[2022-11-02 21:10:14,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 10 states have (on average 1.4) internal successors, (14), 11 states have internal predecessors, (14), 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)
[2022-11-02 21:10:14,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions.
[2022-11-02 21:10:14,004 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 14 transitions. Word has length 6
[2022-11-02 21:10:14,004 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 21:10:14,004 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 14 transitions.
[2022-11-02 21:10:14,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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)
[2022-11-02 21:10:14,005 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions.
[2022-11-02 21:10:14,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2022-11-02 21:10:14,006 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 21:10:14,006 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2022-11-02 21:10:14,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-11-02 21:10:14,008 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2022-11-02 21:10:14,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:10:14,010 INFO L85 PathProgramCache]: Analyzing trace with hash 889698349, now seen corresponding path program 1 times
[2022-11-02 21:10:14,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:10:14,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382679278]
[2022-11-02 21:10:14,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:10:14,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:10:14,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:10:14,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 21:10:14,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:10:14,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382679278]
[2022-11-02 21:10:14,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382679278] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:10:14,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:10:14,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 21:10:14,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375315789]
[2022-11-02 21:10:14,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:10:14,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 21:10:14,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:10:14,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 21:10:14,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 21:10:14,064 INFO L87 Difference]: Start difference. First operand 12 states and 14 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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)
[2022-11-02 21:10:14,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:10:14,087 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions.
[2022-11-02 21:10:14,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 21:10:14,087 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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
[2022-11-02 21:10:14,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 21:10:14,088 INFO L225 Difference]: With dead ends: 13
[2022-11-02 21:10:14,088 INFO L226 Difference]: Without dead ends: 12
[2022-11-02 21:10:14,088 INFO L412 NwaCegarLoop]: 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
[2022-11-02 21:10:14,099 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 4 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 21:10:14,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 7 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 21:10:14,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states.
[2022-11-02 21:10:14,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11.
[2022-11-02 21:10:14,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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)
[2022-11-02 21:10:14,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions.
[2022-11-02 21:10:14,108 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 6
[2022-11-02 21:10:14,108 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 21:10:14,109 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions.
[2022-11-02 21:10:14,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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)
[2022-11-02 21:10:14,109 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions.
[2022-11-02 21:10:14,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2022-11-02 21:10:14,110 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 21:10:14,110 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:10:14,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-11-02 21:10:14,110 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2022-11-02 21:10:14,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:10:14,111 INFO L85 PathProgramCache]: Analyzing trace with hash 301623087, now seen corresponding path program 1 times
[2022-11-02 21:10:14,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:10:14,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74696114]
[2022-11-02 21:10:14,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:10:14,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:10:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:10:14,192 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-11-02 21:10:14,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:10:14,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74696114]
[2022-11-02 21:10:14,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74696114] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:10:14,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:10:14,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 21:10:14,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130792224]
[2022-11-02 21:10:14,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:10:14,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 21:10:14,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:10:14,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 21:10:14,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 21:10:14,219 INFO L87 Difference]: Start difference. First operand 11 states and 13 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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)
[2022-11-02 21:10:14,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:10:14,255 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions.
[2022-11-02 21:10:14,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 21:10:14,255 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8
[2022-11-02 21:10:14,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 21:10:14,256 INFO L225 Difference]: With dead ends: 14
[2022-11-02 21:10:14,256 INFO L226 Difference]: Without dead ends: 0
[2022-11-02 21:10:14,256 INFO L412 NwaCegarLoop]: 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
[2022-11-02 21:10:14,257 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 4 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 21:10:14,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 9 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 21:10:14,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-11-02 21:10:14,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-11-02 21:10:14,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:10:14,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-11-02 21:10:14,259 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8
[2022-11-02 21:10:14,259 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 21:10:14,259 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-11-02 21:10:14,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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)
[2022-11-02 21:10:14,260 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-11-02 21:10:14,260 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2022-11-02 21:10:14,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining)
[2022-11-02 21:10:14,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining)
[2022-11-02 21:10:14,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining)
[2022-11-02 21:10:14,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining)
[2022-11-02 21:10:14,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-11-02 21:10:14,279 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2022-11-02 21:10:14,317 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed.
[2022-11-02 21:10:14,317 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2022-11-02 21:10:14,318 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed.
[2022-11-02 21:10:14,318 INFO L895 garLoopResultBuilder]: At program point L19-2(lines 19 21) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 4))
[2022-11-02 21:10:14,318 INFO L899 garLoopResultBuilder]: For program point L19-3(lines 19 21) no Hoare annotation was computed.
[2022-11-02 21:10:14,318 INFO L895 garLoopResultBuilder]: At program point L17-2(lines 17 23) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648))
[2022-11-02 21:10:14,318 INFO L899 garLoopResultBuilder]: For program point L17-3(lines 17 23) no Hoare annotation was computed.
[2022-11-02 21:10:14,319 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2022-11-02 21:10:14,319 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed.
[2022-11-02 21:10:14,319 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed.
[2022-11-02 21:10:14,319 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2022-11-02 21:10:14,319 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2022-11-02 21:10:14,319 INFO L902 garLoopResultBuilder]: At program point L24(lines 13 25) the Hoare annotation is: true
[2022-11-02 21:10:14,319 INFO L899 garLoopResultBuilder]: For program point L22(line 22) no Hoare annotation was computed.
[2022-11-02 21:10:14,320 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed.
[2022-11-02 21:10:14,320 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed.
[2022-11-02 21:10:14,323 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2022-11-02 21:10:14,325 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-11-02 21:10:14,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 09:10:14 BoogieIcfgContainer
[2022-11-02 21:10:14,339 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-02 21:10:14,339 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 21:10:14,340 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-02 21:10:14,340 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-02 21:10:14,340 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:10:13" (3/4) ...
[2022-11-02 21:10:14,343 INFO L137 WitnessPrinter]: Generating witness for correct program
[2022-11-02 21:10:14,353 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2022-11-02 21:10:14,353 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2022-11-02 21:10:14,353 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-02 21:10:14,382 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2543b5b-9045-4f17-9bb2-9817869969aa/bin/uautomizer-Dbtcem3rbc/witness.graphml
[2022-11-02 21:10:14,382 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 21:10:14,383 INFO L158 Benchmark]: Toolchain (without parser) took 1832.53ms. Allocated memory is still 132.1MB. Free memory was 100.3MB in the beginning and 100.8MB in the end (delta: -543.8kB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 21:10:14,383 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 92.3MB. Free memory was 47.1MB in the beginning and 47.0MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 21:10:14,383 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.26ms. Allocated memory is still 132.1MB. Free memory was 99.9MB in the beginning and 108.9MB in the end (delta: -9.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2022-11-02 21:10:14,384 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.89ms. Allocated memory is still 132.1MB. Free memory was 108.5MB in the beginning and 107.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 21:10:14,384 INFO L158 Benchmark]: Boogie Preprocessor took 18.34ms. Allocated memory is still 132.1MB. Free memory was 107.3MB in the beginning and 106.4MB in the end (delta: 868.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 21:10:14,384 INFO L158 Benchmark]: RCFGBuilder took 272.19ms. Allocated memory is still 132.1MB. Free memory was 106.4MB in the beginning and 97.6MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2022-11-02 21:10:14,385 INFO L158 Benchmark]: TraceAbstraction took 1190.09ms. Allocated memory is still 132.1MB. Free memory was 96.8MB in the beginning and 102.9MB in the end (delta: -6.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 21:10:14,385 INFO L158 Benchmark]: Witness Printer took 42.67ms. Allocated memory is still 132.1MB. Free memory was 102.9MB in the beginning and 100.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 21:10:14,387 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.26ms. Allocated memory is still 92.3MB. Free memory was 47.1MB in the beginning and 47.0MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 273.26ms. Allocated memory is still 132.1MB. Free memory was 99.9MB in the beginning and 108.9MB in the end (delta: -9.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 26.89ms. Allocated memory is still 132.1MB. Free memory was 108.5MB in the beginning and 107.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 18.34ms. Allocated memory is still 132.1MB. Free memory was 107.3MB in the beginning and 106.4MB in the end (delta: 868.9kB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 272.19ms. Allocated memory is still 132.1MB. Free memory was 106.4MB in the beginning and 97.6MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 1190.09ms. Allocated memory is still 132.1MB. Free memory was 96.8MB in the beginning and 102.9MB in the end (delta: -6.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 42.67ms. Allocated memory is still 132.1MB. Free memory was 102.9MB in the beginning and 100.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* 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
- PositiveResult [Line: 20]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 20]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 22]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 22]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 16 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 50 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37 IncrementalHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 37 mSDtfsCounter, 37 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 8 NumberOfFragments, 18 HoareAnnotationTreeSize, 3 FomulaSimplifications, 32 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 16 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 57 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
4 specifications checked. All of them hold
- InvariantResult [Line: 19]: Loop Invariant
Derived loop invariant: (0 <= i + 2147483648 && 0 <= j) && i <= 4
- InvariantResult [Line: 17]: Loop Invariant
Derived loop invariant: 0 <= i + 2147483648
- InvariantResult [Line: 13]: Loop Invariant
Derived loop invariant: 1
RESULT: Ultimate proved your program to be correct!
[2022-11-02 21:10:14,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2543b5b-9045-4f17-9bb2-9817869969aa/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE