./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/geo3-ll.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 63182f13
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01e5ba6-46f0-4c85-b72c-5c82d2f953e7/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01e5ba6-46f0-4c85-b72c-5c82d2f953e7/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01e5ba6-46f0-4c85-b72c-5c82d2f953e7/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01e5ba6-46f0-4c85-b72c-5c82d2f953e7/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench/geo3-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01e5ba6-46f0-4c85-b72c-5c82d2f953e7/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01e5ba6-46f0-4c85-b72c-5c82d2f953e7/bin/uautomizer-YU5uOKAj3y --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a84b9c8d997e29e6dd212f98dff041043df0de4e5f86f5da66a42f473d3fe422
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 18:52:42,767 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-13 18:52:42,769 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 18:52:42,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 18:52:42,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 18:52:42,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 18:52:42,814 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 18:52:42,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 18:52:42,819 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 18:52:42,820 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 18:52:42,821 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 18:52:42,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 18:52:42,823 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 18:52:42,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 18:52:42,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 18:52:42,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 18:52:42,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 18:52:42,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 18:52:42,838 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 18:52:42,841 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 18:52:42,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 18:52:42,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 18:52:42,855 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 18:52:42,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 18:52:42,868 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 18:52:42,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 18:52:42,869 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 18:52:42,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 18:52:42,871 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 18:52:42,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 18:52:42,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 18:52:42,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 18:52:42,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 18:52:42,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 18:52:42,880 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 18:52:42,880 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 18:52:42,881 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 18:52:42,881 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 18:52:42,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 18:52:42,886 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 18:52:42,887 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 18:52:42,888 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01e5ba6-46f0-4c85-b72c-5c82d2f953e7/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-11-13 18:52:42,919 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-13 18:52:42,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 18:52:42,922 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 18:52:42,923 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 18:52:42,924 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-13 18:52:42,924 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-13 18:52:42,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 18:52:42,925 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-13 18:52:42,925 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-13 18:52:42,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 18:52:42,927 INFO L138 SettingsManager]: * sizeof long=4
[2021-11-13 18:52:42,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-11-13 18:52:42,928 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-11-13 18:52:42,928 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-13 18:52:42,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-11-13 18:52:42,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-13 18:52:42,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-11-13 18:52:42,929 INFO L138 SettingsManager]: * sizeof long double=12
[2021-11-13 18:52:42,929 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-13 18:52:42,929 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-13 18:52:42,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-11-13 18:52:42,930 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 18:52:42,930 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-13 18:52:42,930 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-11-13 18:52:42,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:52:42,931 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 18:52:42,931 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-11-13 18:52:42,931 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-13 18:52:42,932 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-11-13 18:52:42,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-13 18:52:42,933 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-11-13 18:52:42,934 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2021-11-13 18:52:42,934 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-13 18:52:42,934 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-13 18:52:42,934 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_c01e5ba6-46f0-4c85-b72c-5c82d2f953e7/bin/uautomizer-YU5uOKAj3y/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01e5ba6-46f0-4c85-b72c-5c82d2f953e7/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a84b9c8d997e29e6dd212f98dff041043df0de4e5f86f5da66a42f473d3fe422
[2021-11-13 18:52:43,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 18:52:43,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 18:52:43,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 18:52:43,224 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-13 18:52:43,226 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-13 18:52:43,228 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01e5ba6-46f0-4c85-b72c-5c82d2f953e7/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/nla-digbench/geo3-ll.c
[2021-11-13 18:52:43,303 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01e5ba6-46f0-4c85-b72c-5c82d2f953e7/bin/uautomizer-YU5uOKAj3y/data/e10d54bc4/cdc386d99daa4b3b81fd36ff0dc1ecdb/FLAG863711061
[2021-11-13 18:52:43,748 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-13 18:52:43,748 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01e5ba6-46f0-4c85-b72c-5c82d2f953e7/sv-benchmarks/c/nla-digbench/geo3-ll.c
[2021-11-13 18:52:43,755 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01e5ba6-46f0-4c85-b72c-5c82d2f953e7/bin/uautomizer-YU5uOKAj3y/data/e10d54bc4/cdc386d99daa4b3b81fd36ff0dc1ecdb/FLAG863711061
[2021-11-13 18:52:44,140 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01e5ba6-46f0-4c85-b72c-5c82d2f953e7/bin/uautomizer-YU5uOKAj3y/data/e10d54bc4/cdc386d99daa4b3b81fd36ff0dc1ecdb
[2021-11-13 18:52:44,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 18:52:44,144 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 18:52:44,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 18:52:44,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 18:52:44,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 18:52:44,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:52:44" (1/1) ...
[2021-11-13 18:52:44,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18cc3cb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:52:44, skipping insertion in model container
[2021-11-13 18:52:44,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:52:44" (1/1) ...
[2021-11-13 18:52:44,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-13 18:52:44,201 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-13 18:52:44,376 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01e5ba6-46f0-4c85-b72c-5c82d2f953e7/sv-benchmarks/c/nla-digbench/geo3-ll.c[525,538]
[2021-11-13 18:52:44,388 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:52:44,397 INFO L203 MainTranslator]: Completed pre-run
[2021-11-13 18:52:44,409 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01e5ba6-46f0-4c85-b72c-5c82d2f953e7/sv-benchmarks/c/nla-digbench/geo3-ll.c[525,538]
[2021-11-13 18:52:44,420 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:52:44,438 INFO L208 MainTranslator]: Completed translation
[2021-11-13 18:52:44,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:52:44 WrapperNode
[2021-11-13 18:52:44,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 18:52:44,441 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 18:52:44,441 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 18:52:44,441 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 18:52:44,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:52:44" (1/1) ...
[2021-11-13 18:52:44,459 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:52:44" (1/1) ...
[2021-11-13 18:52:44,481 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 18:52:44,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 18:52:44,483 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 18:52:44,483 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 18:52:44,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:52:44" (1/1) ...
[2021-11-13 18:52:44,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:52:44" (1/1) ...
[2021-11-13 18:52:44,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:52:44" (1/1) ...
[2021-11-13 18:52:44,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:52:44" (1/1) ...
[2021-11-13 18:52:44,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:52:44" (1/1) ...
[2021-11-13 18:52:44,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:52:44" (1/1) ...
[2021-11-13 18:52:44,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:52:44" (1/1) ...
[2021-11-13 18:52:44,524 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 18:52:44,525 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 18:52:44,525 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 18:52:44,526 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-13 18:52:44,527 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:52:44" (1/1) ...
[2021-11-13 18:52:44,534 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:52:44,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01e5ba6-46f0-4c85-b72c-5c82d2f953e7/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:52:44,556 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01e5ba6-46f0-4c85-b72c-5c82d2f953e7/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-13 18:52:44,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01e5ba6-46f0-4c85-b72c-5c82d2f953e7/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-13 18:52:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-13 18:52:44,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 18:52:44,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 18:52:44,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 18:52:44,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2021-11-13 18:52:44,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2021-11-13 18:52:44,832 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 18:52:44,832 INFO L299 CfgBuilder]: Removed 1 assume(true) statements.
[2021-11-13 18:52:44,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:52:44 BoogieIcfgContainer
[2021-11-13 18:52:44,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 18:52:44,836 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-13 18:52:44,836 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-11-13 18:52:44,852 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-11-13 18:52:44,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:52:44" (1/3) ...
[2021-11-13 18:52:44,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@494d62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:52:44, skipping insertion in model container
[2021-11-13 18:52:44,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:52:44" (2/3) ...
[2021-11-13 18:52:44,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@494d62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:52:44, skipping insertion in model container
[2021-11-13 18:52:44,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:52:44" (3/3) ...
[2021-11-13 18:52:44,855 INFO L111 eAbstractionObserver]: Analyzing ICFG geo3-ll.c
[2021-11-13 18:52:44,860 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-13 18:52:44,861 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-11-13 18:52:44,921 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-13 18:52:44,929 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=PETRI_NET, 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
[2021-11-13 18:52:44,929 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-11-13 18:52:44,957 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 12 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2021-11-13 18:52:44,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2021-11-13 18:52:44,963 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:52:44,963 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:52:44,964 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:52:44,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:52:44,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1818803301, now seen corresponding path program 1 times
[2021-11-13 18:52:44,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:52:44,979 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208470213]
[2021-11-13 18:52:44,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:52:44,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:52:45,063 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2021-11-13 18:52:45,063 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [829421933]
[2021-11-13 18:52:45,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:52:45,064 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:52:45,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01e5ba6-46f0-4c85-b72c-5c82d2f953e7/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:52:45,071 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01e5ba6-46f0-4c85-b72c-5c82d2f953e7/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 18:52:45,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01e5ba6-46f0-4c85-b72c-5c82d2f953e7/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2021-11-13 18:52:45,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:52:45,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 1 conjunts are in the unsatisfiable core
[2021-11-13 18:52:45,139 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:52:45,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:52:45,202 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2021-11-13 18:52:45,202 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:52:45,205 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208470213]
[2021-11-13 18:52:45,205 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown
[2021-11-13 18:52:45,206 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [829421933]
[2021-11-13 18:52:45,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [829421933] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:52:45,207 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:52:45,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-13 18:52:45,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63131380]
[2021-11-13 18:52:45,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:52:45,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-11-13 18:52:45,213 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:52:45,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-11-13 18:52:45,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-13 18:52:45,249 INFO L87 Difference]: Start difference. First operand has 16 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 12 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:52:45,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:52:45,276 INFO L93 Difference]: Finished difference Result 30 states and 40 transitions.
[2021-11-13 18:52:45,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-13 18:52:45,278 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7
[2021-11-13 18:52:45,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:52:45,286 INFO L225 Difference]: With dead ends: 30
[2021-11-13 18:52:45,286 INFO L226 Difference]: Without dead ends: 12
[2021-11-13 18:52:45,290 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-13 18:52:45,295 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.27ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:52:45,298 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 1.27ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time]
[2021-11-13 18:52:45,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states.
[2021-11-13 18:52:45,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12.
[2021-11-13 18:52:45,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 8 states have (on average 1.25) internal successors, (10), 9 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:52:45,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions.
[2021-11-13 18:52:45,359 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 7
[2021-11-13 18:52:45,359 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:52:45,360 INFO L470 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions.
[2021-11-13 18:52:45,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:52:45,360 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions.
[2021-11-13 18:52:45,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2021-11-13 18:52:45,361 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:52:45,361 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:52:45,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01e5ba6-46f0-4c85-b72c-5c82d2f953e7/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2021-11-13 18:52:45,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01e5ba6-46f0-4c85-b72c-5c82d2f953e7/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:52:45,562 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:52:45,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:52:45,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1811355551, now seen corresponding path program 1 times
[2021-11-13 18:52:45,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:52:45,564 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184795919]
[2021-11-13 18:52:45,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:52:45,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:52:45,579 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2021-11-13 18:52:45,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1060126529]
[2021-11-13 18:52:45,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:52:45,580 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:52:45,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01e5ba6-46f0-4c85-b72c-5c82d2f953e7/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:52:45,586 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01e5ba6-46f0-4c85-b72c-5c82d2f953e7/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 18:52:45,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01e5ba6-46f0-4c85-b72c-5c82d2f953e7/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2021-11-13 18:52:45,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:52:45,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 9 conjunts are in the unsatisfiable core
[2021-11-13 18:52:45,637 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:52:45,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:52:45,788 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2021-11-13 18:52:45,789 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:52:45,801 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184795919]
[2021-11-13 18:52:45,802 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown
[2021-11-13 18:52:45,802 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1060126529]
[2021-11-13 18:52:45,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1060126529] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:52:45,802 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:52:45,803 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-11-13 18:52:45,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204875365]
[2021-11-13 18:52:45,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:52:45,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-11-13 18:52:45,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:52:45,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-11-13 18:52:45,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:52:45,806 INFO L87 Difference]: Start difference. First operand 12 states and 13 transitions. Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:52:45,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:52:45,867 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions.
[2021-11-13 18:52:45,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-11-13 18:52:45,868 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7
[2021-11-13 18:52:45,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:52:45,870 INFO L225 Difference]: With dead ends: 22
[2021-11-13 18:52:45,871 INFO L226 Difference]: Without dead ends: 19
[2021-11-13 18:52:45,872 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2021-11-13 18:52:45,874 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 6 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.15ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.62ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.12ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:52:45,876 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 37 Invalid, 18 Unknown, 0 Unchecked, 1.62ms Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 40.12ms Time]
[2021-11-13 18:52:45,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states.
[2021-11-13 18:52:45,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19.
[2021-11-13 18:52:45,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2021-11-13 18:52:45,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions.
[2021-11-13 18:52:45,887 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 7
[2021-11-13 18:52:45,889 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:52:45,893 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions.
[2021-11-13 18:52:45,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:52:45,894 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions.
[2021-11-13 18:52:45,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2021-11-13 18:52:45,894 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:52:45,895 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:52:45,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01e5ba6-46f0-4c85-b72c-5c82d2f953e7/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2021-11-13 18:52:46,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01e5ba6-46f0-4c85-b72c-5c82d2f953e7/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:52:46,116 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:52:46,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:52:46,117 INFO L85 PathProgramCache]: Analyzing trace with hash 614685336, now seen corresponding path program 1 times
[2021-11-13 18:52:46,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:52:46,118 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965755722]
[2021-11-13 18:52:46,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:52:46,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:52:46,139 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2021-11-13 18:52:46,139 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [663938286]
[2021-11-13 18:52:46,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:52:46,140 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:52:46,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01e5ba6-46f0-4c85-b72c-5c82d2f953e7/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:52:46,144 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01e5ba6-46f0-4c85-b72c-5c82d2f953e7/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 18:52:46,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01e5ba6-46f0-4c85-b72c-5c82d2f953e7/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2021-11-13 18:52:46,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:52:46,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 13 conjunts are in the unsatisfiable core
[2021-11-13 18:52:46,199 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:52:46,420 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:52:46,421 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:52:46,737 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:52:46,737 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:52:46,737 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965755722]
[2021-11-13 18:52:46,738 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown
[2021-11-13 18:52:46,738 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [663938286]
[2021-11-13 18:52:46,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [663938286] provided 1 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:52:46,738 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2021-11-13 18:52:46,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8
[2021-11-13 18:52:46,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026351876]
[2021-11-13 18:52:46,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:52:46,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-11-13 18:52:46,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:52:46,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-11-13 18:52:46,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2021-11-13 18:52:46,741 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:52:46,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:52:46,833 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions.
[2021-11-13 18:52:46,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-11-13 18:52:46,833 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14
[2021-11-13 18:52:46,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:52:46,834 INFO L225 Difference]: With dead ends: 19
[2021-11-13 18:52:46,834 INFO L226 Difference]: Without dead ends: 0
[2021-11-13 18:52:46,835 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72
[2021-11-13 18:52:46,836 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 7 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 64.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.58ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 68.20ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:52:46,837 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 21 Invalid, 13 Unknown, 0 Unchecked, 1.58ms Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 68.20ms Time]
[2021-11-13 18:52:46,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-11-13 18:52:46,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-11-13 18:52:46,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:52:46,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-11-13 18:52:46,838 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14
[2021-11-13 18:52:46,839 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:52:46,839 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-11-13 18:52:46,839 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-13 18:52:46,839 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-11-13 18:52:46,840 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-11-13 18:52:46,842 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2021-11-13 18:52:46,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01e5ba6-46f0-4c85-b72c-5c82d2f953e7/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2021-11-13 18:52:47,065 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01e5ba6-46f0-4c85-b72c-5c82d2f953e7/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:52:47,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2021-11-13 18:52:47,091 INFO L858 garLoopResultBuilder]: For program point L34-1(lines 33 42) no Hoare annotation was computed.
[2021-11-13 18:52:47,092 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2021-11-13 18:52:47,092 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2021-11-13 18:52:47,092 INFO L854 garLoopResultBuilder]: At program point L33-2(lines 33 42) the Hoare annotation is: (= (+ (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~z~0#1|) |ULTIMATE.start_main_~a~0#1|) (+ (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~az~0#1|) |ULTIMATE.start_main_~x~0#1|))
[2021-11-13 18:52:47,092 INFO L854 garLoopResultBuilder]: At program point L33-3(lines 33 42) the Hoare annotation is: (= (+ (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~z~0#1|) |ULTIMATE.start_main_~a~0#1|) (+ (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~az~0#1|) |ULTIMATE.start_main_~x~0#1|))
[2021-11-13 18:52:47,093 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2021-11-13 18:52:47,093 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2021-11-13 18:52:47,093 INFO L861 garLoopResultBuilder]: At program point L44(lines 21 45) the Hoare annotation is: true
[2021-11-13 18:52:47,093 INFO L858 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed.
[2021-11-13 18:52:47,093 INFO L854 garLoopResultBuilder]: At program point L34(line 34) the Hoare annotation is: (= (+ (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~z~0#1|) |ULTIMATE.start_main_~a~0#1|) (+ (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~az~0#1|) |ULTIMATE.start_main_~x~0#1|))
[2021-11-13 18:52:47,094 INFO L858 garLoopResultBuilder]: For program point L16(lines 16 17) no Hoare annotation was computed.
[2021-11-13 18:52:47,094 INFO L858 garLoopResultBuilder]: For program point L15(lines 15 18) no Hoare annotation was computed.
[2021-11-13 18:52:47,094 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 14 20) the Hoare annotation is: true
[2021-11-13 18:52:47,094 INFO L858 garLoopResultBuilder]: For program point L15-2(lines 14 20) no Hoare annotation was computed.
[2021-11-13 18:52:47,094 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 14 20) no Hoare annotation was computed.
[2021-11-13 18:52:47,095 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed.
[2021-11-13 18:52:47,098 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2021-11-13 18:52:47,100 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-11-13 18:52:47,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 06:52:47 BoogieIcfgContainer
[2021-11-13 18:52:47,114 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-11-13 18:52:47,114 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-13 18:52:47,115 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-11-13 18:52:47,115 INFO L275 PluginConnector]: Witness Printer initialized
[2021-11-13 18:52:47,115 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:52:44" (3/4) ...
[2021-11-13 18:52:47,118 INFO L137 WitnessPrinter]: Generating witness for correct program
[2021-11-13 18:52:47,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert
[2021-11-13 18:52:47,129 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2021-11-13 18:52:47,129 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2021-11-13 18:52:47,129 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2021-11-13 18:52:47,130 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-11-13 18:52:47,179 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01e5ba6-46f0-4c85-b72c-5c82d2f953e7/bin/uautomizer-YU5uOKAj3y/witness.graphml
[2021-11-13 18:52:47,179 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-13 18:52:47,180 INFO L158 Benchmark]: Toolchain (without parser) took 3035.53ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 62.3MB in the beginning and 94.3MB in the end (delta: -32.0MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB.
[2021-11-13 18:52:47,180 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 96.5MB. Free memory was 68.6MB in the beginning and 68.5MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:52:47,181 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.50ms. Allocated memory is still 96.5MB. Free memory was 62.0MB in the beginning and 72.5MB in the end (delta: -10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2021-11-13 18:52:47,181 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.61ms. Allocated memory is still 96.5MB. Free memory was 72.5MB in the beginning and 71.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 18:52:47,181 INFO L158 Benchmark]: Boogie Preprocessor took 42.10ms. Allocated memory is still 96.5MB. Free memory was 71.0MB in the beginning and 70.2MB in the end (delta: 741.8kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:52:47,182 INFO L158 Benchmark]: RCFGBuilder took 309.22ms. Allocated memory is still 96.5MB. Free memory was 70.2MB in the beginning and 60.4MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2021-11-13 18:52:47,183 INFO L158 Benchmark]: TraceAbstraction took 2278.02ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 60.0MB in the beginning and 55.4MB in the end (delta: 4.6MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB.
[2021-11-13 18:52:47,183 INFO L158 Benchmark]: Witness Printer took 64.63ms. Allocated memory is still 117.4MB. Free memory was 54.8MB in the beginning and 94.3MB in the end (delta: -39.4MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB.
[2021-11-13 18:52:47,185 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.32ms. Allocated memory is still 96.5MB. Free memory was 68.6MB in the beginning and 68.5MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 278.50ms. Allocated memory is still 96.5MB. Free memory was 62.0MB in the beginning and 72.5MB in the end (delta: -10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 40.61ms. Allocated memory is still 96.5MB. Free memory was 72.5MB in the beginning and 71.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 42.10ms. Allocated memory is still 96.5MB. Free memory was 71.0MB in the beginning and 70.2MB in the end (delta: 741.8kB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 309.22ms. Allocated memory is still 96.5MB. Free memory was 70.2MB in the beginning and 60.4MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* TraceAbstraction took 2278.02ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 60.0MB in the beginning and 55.4MB in the end (delta: 4.6MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB.
* Witness Printer took 64.63ms. Allocated memory is still 117.4MB. Free memory was 54.8MB in the beginning and 94.3MB in the end (delta: -39.4MB). Peak memory consumption was 4.5MB. 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: 17]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 108.32ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 75 SdHoareTripleChecker+Invalid, 91.46ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 41 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27 IncrementalHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 34 mSDtfsCounter, 27 mSolverCounterSat, 4.48ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=2, InterpolantAutomatonStates: 12, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 10 PreInvPairs, 17 NumberOfFragments, 35 HoareAnnotationTreeSize, 10 FomulaSimplifications, 48 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 13 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 203 SizeOfPredicates, 2 NumberOfNonLiveVariables, 182 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 6/8 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 21]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 33]: Loop Invariant
Derived loop invariant: x * z + a == y * az + x
RESULT: Ultimate proved your program to be correct!
[2021-11-13 18:52:47,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01e5ba6-46f0-4c85-b72c-5c82d2f953e7/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE