./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/test-easy7.wvr.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 5e519f3a
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0718bfd0-25ef-4ff3-87f9-3eddc380f8a3/bin/ugemcutter-C1kR7RIaUi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0718bfd0-25ef-4ff3-87f9-3eddc380f8a3/bin/ugemcutter-C1kR7RIaUi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0718bfd0-25ef-4ff3-87f9-3eddc380f8a3/bin/ugemcutter-C1kR7RIaUi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0718bfd0-25ef-4ff3-87f9-3eddc380f8a3/bin/ugemcutter-C1kR7RIaUi/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/test-easy7.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0718bfd0-25ef-4ff3-87f9-3eddc380f8a3/bin/ugemcutter-C1kR7RIaUi/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0718bfd0-25ef-4ff3-87f9-3eddc380f8a3/bin/ugemcutter-C1kR7RIaUi --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 89875838ba00841ab95f284d6aeb82a1a762d2b06c5f173202307480dc57b4e4
--- 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
[2022-11-04 12:05:26,699 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-04 12:05:26,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-04 12:05:26,739 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-04 12:05:26,739 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-04 12:05:26,743 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-04 12:05:26,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-04 12:05:26,750 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-04 12:05:26,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-04 12:05:26,759 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-04 12:05:26,760 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-04 12:05:26,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-04 12:05:26,763 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-04 12:05:26,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-04 12:05:26,768 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-04 12:05:26,770 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-04 12:05:26,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-04 12:05:26,772 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-04 12:05:26,775 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-04 12:05:26,784 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-04 12:05:26,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-04 12:05:26,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-04 12:05:26,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-04 12:05:26,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-04 12:05:26,800 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-04 12:05:26,800 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-04 12:05:26,800 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-04 12:05:26,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-04 12:05:26,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-04 12:05:26,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-04 12:05:26,805 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-04 12:05:26,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-04 12:05:26,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-04 12:05:26,811 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-04 12:05:26,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-04 12:05:26,812 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-04 12:05:26,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-04 12:05:26,813 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-04 12:05:26,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-04 12:05:26,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-04 12:05:26,815 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-04 12:05:26,816 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0718bfd0-25ef-4ff3-87f9-3eddc380f8a3/bin/ugemcutter-C1kR7RIaUi/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2022-11-04 12:05:26,854 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-04 12:05:26,855 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-04 12:05:26,855 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-04 12:05:26,856 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-04 12:05:26,856 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-04 12:05:26,857 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-04 12:05:26,857 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-04 12:05:26,857 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-04 12:05:26,858 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-04 12:05:26,858 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-04 12:05:26,859 INFO L138 SettingsManager]: * sizeof long=4
[2022-11-04 12:05:26,859 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-04 12:05:26,859 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-11-04 12:05:26,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-04 12:05:26,860 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-11-04 12:05:26,860 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-04 12:05:26,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-11-04 12:05:26,860 INFO L138 SettingsManager]: * sizeof long double=12
[2022-11-04 12:05:26,860 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-04 12:05:26,860 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-04 12:05:26,861 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-11-04 12:05:26,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-04 12:05:26,861 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-04 12:05:26,861 INFO L138 SettingsManager]: * To the following directory=./dump/
[2022-11-04 12:05:26,861 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-11-04 12:05:26,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-04 12:05:26,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-04 12:05:26,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-11-04 12:05:26,863 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-04 12:05:26,864 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-11-04 12:05:26,864 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP
[2022-11-04 12:05:26,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-04 12:05:26,864 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-04 12:05:26,864 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-11-04 12:05:26,865 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-04 12:05:26,865 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2022-11-04 12:05:26,865 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2022-11-04 12:05:26,865 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_0718bfd0-25ef-4ff3-87f9-3eddc380f8a3/bin/ugemcutter-C1kR7RIaUi/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0718bfd0-25ef-4ff3-87f9-3eddc380f8a3/bin/ugemcutter-C1kR7RIaUi
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89875838ba00841ab95f284d6aeb82a1a762d2b06c5f173202307480dc57b4e4
[2022-11-04 12:05:27,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-04 12:05:27,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-04 12:05:27,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-04 12:05:27,232 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-04 12:05:27,233 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-04 12:05:27,235 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0718bfd0-25ef-4ff3-87f9-3eddc380f8a3/bin/ugemcutter-C1kR7RIaUi/../../sv-benchmarks/c/weaver/test-easy7.wvr.c
[2022-11-04 12:05:27,315 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0718bfd0-25ef-4ff3-87f9-3eddc380f8a3/bin/ugemcutter-C1kR7RIaUi/data/9d18214f5/f22a9ecceb234b73b1179e5b55255efd/FLAG05ebb0e63
[2022-11-04 12:05:27,810 INFO L306 CDTParser]: Found 1 translation units.
[2022-11-04 12:05:27,812 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0718bfd0-25ef-4ff3-87f9-3eddc380f8a3/sv-benchmarks/c/weaver/test-easy7.wvr.c
[2022-11-04 12:05:27,820 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0718bfd0-25ef-4ff3-87f9-3eddc380f8a3/bin/ugemcutter-C1kR7RIaUi/data/9d18214f5/f22a9ecceb234b73b1179e5b55255efd/FLAG05ebb0e63
[2022-11-04 12:05:28,184 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0718bfd0-25ef-4ff3-87f9-3eddc380f8a3/bin/ugemcutter-C1kR7RIaUi/data/9d18214f5/f22a9ecceb234b73b1179e5b55255efd
[2022-11-04 12:05:28,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-04 12:05:28,190 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-04 12:05:28,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-04 12:05:28,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-04 12:05:28,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-04 12:05:28,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 12:05:28" (1/1) ...
[2022-11-04 12:05:28,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d99eca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:28, skipping insertion in model container
[2022-11-04 12:05:28,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 12:05:28" (1/1) ...
[2022-11-04 12:05:28,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-04 12:05:28,228 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-04 12:05:28,461 WARN L230 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_0718bfd0-25ef-4ff3-87f9-3eddc380f8a3/sv-benchmarks/c/weaver/test-easy7.wvr.c[1872,1885]
[2022-11-04 12:05:28,469 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-04 12:05:28,479 INFO L203 MainTranslator]: Completed pre-run
[2022-11-04 12:05:28,511 WARN L230 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_0718bfd0-25ef-4ff3-87f9-3eddc380f8a3/sv-benchmarks/c/weaver/test-easy7.wvr.c[1872,1885]
[2022-11-04 12:05:28,517 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-04 12:05:28,534 INFO L208 MainTranslator]: Completed translation
[2022-11-04 12:05:28,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:28 WrapperNode
[2022-11-04 12:05:28,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-04 12:05:28,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-04 12:05:28,536 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-04 12:05:28,537 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-04 12:05:28,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:28" (1/1) ...
[2022-11-04 12:05:28,553 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:28" (1/1) ...
[2022-11-04 12:05:28,578 INFO L138 Inliner]: procedures = 21, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54
[2022-11-04 12:05:28,579 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-04 12:05:28,580 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-04 12:05:28,580 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-04 12:05:28,580 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-04 12:05:28,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:28" (1/1) ...
[2022-11-04 12:05:28,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:28" (1/1) ...
[2022-11-04 12:05:28,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:28" (1/1) ...
[2022-11-04 12:05:28,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:28" (1/1) ...
[2022-11-04 12:05:28,608 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:28" (1/1) ...
[2022-11-04 12:05:28,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:28" (1/1) ...
[2022-11-04 12:05:28,611 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:28" (1/1) ...
[2022-11-04 12:05:28,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:28" (1/1) ...
[2022-11-04 12:05:28,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-04 12:05:28,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-04 12:05:28,614 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-04 12:05:28,615 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-04 12:05:28,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:28" (1/1) ...
[2022-11-04 12:05:28,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-04 12:05:28,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0718bfd0-25ef-4ff3-87f9-3eddc380f8a3/bin/ugemcutter-C1kR7RIaUi/z3
[2022-11-04 12:05:28,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0718bfd0-25ef-4ff3-87f9-3eddc380f8a3/bin/ugemcutter-C1kR7RIaUi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-04 12:05:28,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0718bfd0-25ef-4ff3-87f9-3eddc380f8a3/bin/ugemcutter-C1kR7RIaUi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-04 12:05:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-04 12:05:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2022-11-04 12:05:28,702 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2022-11-04 12:05:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2022-11-04 12:05:28,703 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2022-11-04 12:05:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-04 12:05:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-11-04 12:05:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-11-04 12:05:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-04 12:05:28,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-04 12:05:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-11-04 12:05:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-11-04 12:05:28,706 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-11-04 12:05:28,803 INFO L235 CfgBuilder]: Building ICFG
[2022-11-04 12:05:28,805 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-04 12:05:29,098 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-04 12:05:29,105 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-04 12:05:29,105 INFO L300 CfgBuilder]: Removed 0 assume(true) statements.
[2022-11-04 12:05:29,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 12:05:29 BoogieIcfgContainer
[2022-11-04 12:05:29,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-04 12:05:29,110 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-04 12:05:29,110 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-11-04 12:05:29,114 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-11-04 12:05:29,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 12:05:28" (1/3) ...
[2022-11-04 12:05:29,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e96a42f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 12:05:29, skipping insertion in model container
[2022-11-04 12:05:29,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:28" (2/3) ...
[2022-11-04 12:05:29,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e96a42f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 12:05:29, skipping insertion in model container
[2022-11-04 12:05:29,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 12:05:29" (3/3) ...
[2022-11-04 12:05:29,117 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy7.wvr.c
[2022-11-04 12:05:29,126 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-11-04 12:05:29,136 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-04 12:05:29,136 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-11-04 12:05:29,137 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-11-04 12:05:29,202 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2022-11-04 12:05:29,289 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-04 12:05:29,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-11-04 12:05:29,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0718bfd0-25ef-4ff3-87f9-3eddc380f8a3/bin/ugemcutter-C1kR7RIaUi/z3
[2022-11-04 12:05:29,293 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0718bfd0-25ef-4ff3-87f9-3eddc380f8a3/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2022-11-04 12:05:29,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0718bfd0-25ef-4ff3-87f9-3eddc380f8a3/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2022-11-04 12:05:29,349 INFO L156 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2022-11-04 12:05:29,367 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2022-11-04 12:05:29,386 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=PARTIAL_ORDER_FA, 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;@39c63584, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-04 12:05:29,387 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2022-11-04 12:05:29,581 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2022-11-04 12:05:29,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-04 12:05:29,587 INFO L85 PathProgramCache]: Analyzing trace with hash 869497408, now seen corresponding path program 1 times
[2022-11-04 12:05:29,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-04 12:05:29,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696094819]
[2022-11-04 12:05:29,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-04 12:05:29,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-04 12:05:29,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-04 12:05:29,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-04 12:05:29,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-04 12:05:29,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696094819]
[2022-11-04 12:05:29,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696094819] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-04 12:05:29,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-04 12:05:29,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-04 12:05:29,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226765757]
[2022-11-04 12:05:29,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-04 12:05:29,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-11-04 12:05:29,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-04 12:05:29,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-11-04 12:05:29,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-11-04 12:05:29,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-11-04 12:05:29,966 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-11-04 12:05:29,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 40.5) internal successors, (81), 2 states have internal predecessors, (81), 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)
[2022-11-04 12:05:29,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-11-04 12:05:30,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-11-04 12:05:30,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-04 12:05:30,015 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2022-11-04 12:05:30,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-04 12:05:30,016 INFO L85 PathProgramCache]: Analyzing trace with hash 644284094, now seen corresponding path program 1 times
[2022-11-04 12:05:30,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-04 12:05:30,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431311817]
[2022-11-04 12:05:30,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-04 12:05:30,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-04 12:05:30,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-04 12:05:31,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-04 12:05:31,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-04 12:05:31,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431311817]
[2022-11-04 12:05:31,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431311817] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-04 12:05:31,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-04 12:05:31,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-11-04 12:05:31,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916492190]
[2022-11-04 12:05:31,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-04 12:05:31,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-11-04 12:05:31,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-04 12:05:31,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-11-04 12:05:31,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-11-04 12:05:31,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-11-04 12:05:31,813 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-11-04 12:05:31,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.157894736842105) internal successors, (79), 19 states have internal predecessors, (79), 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)
[2022-11-04 12:05:31,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-11-04 12:05:31,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-11-04 12:05:33,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-11-04 12:05:33,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states.
[2022-11-04 12:05:33,291 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining)
[2022-11-04 12:05:33,291 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining)
[2022-11-04 12:05:33,292 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining)
[2022-11-04 12:05:33,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-04 12:05:33,298 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1]
[2022-11-04 12:05:33,301 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-11-04 12:05:33,302 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-11-04 12:05:33,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.11 12:05:33 BasicIcfg
[2022-11-04 12:05:33,305 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-04 12:05:33,306 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-04 12:05:33,306 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-04 12:05:33,306 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-04 12:05:33,307 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 12:05:29" (3/4) ...
[2022-11-04 12:05:33,310 INFO L137 WitnessPrinter]: Generating witness for correct program
[2022-11-04 12:05:33,317 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1
[2022-11-04 12:05:33,317 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2
[2022-11-04 12:05:33,321 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges
[2022-11-04 12:05:33,322 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2022-11-04 12:05:33,322 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2022-11-04 12:05:33,322 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-04 12:05:33,357 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0718bfd0-25ef-4ff3-87f9-3eddc380f8a3/bin/ugemcutter-C1kR7RIaUi/witness.graphml
[2022-11-04 12:05:33,357 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-04 12:05:33,358 INFO L158 Benchmark]: Toolchain (without parser) took 5167.84ms. Allocated memory was 115.3MB in the beginning and 157.3MB in the end (delta: 41.9MB). Free memory was 76.4MB in the beginning and 60.7MB in the end (delta: 15.6MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB.
[2022-11-04 12:05:33,359 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory is still 93.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-11-04 12:05:33,359 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.79ms. Allocated memory is still 115.3MB. Free memory was 76.2MB in the beginning and 92.0MB in the end (delta: -15.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-11-04 12:05:33,360 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.72ms. Allocated memory is still 115.3MB. Free memory was 92.0MB in the beginning and 90.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-04 12:05:33,360 INFO L158 Benchmark]: Boogie Preprocessor took 34.06ms. Allocated memory is still 115.3MB. Free memory was 90.6MB in the beginning and 89.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-04 12:05:33,361 INFO L158 Benchmark]: RCFGBuilder took 493.59ms. Allocated memory is still 115.3MB. Free memory was 89.0MB in the beginning and 76.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2022-11-04 12:05:33,362 INFO L158 Benchmark]: TraceAbstraction took 4195.54ms. Allocated memory was 115.3MB in the beginning and 157.3MB in the end (delta: 41.9MB). Free memory was 76.4MB in the beginning and 63.9MB in the end (delta: 12.5MB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB.
[2022-11-04 12:05:33,362 INFO L158 Benchmark]: Witness Printer took 51.66ms. Allocated memory is still 157.3MB. Free memory was 63.9MB in the beginning and 60.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-04 12:05:33,365 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory is still 93.3MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 339.79ms. Allocated memory is still 115.3MB. Free memory was 76.2MB in the beginning and 92.0MB in the end (delta: -15.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 42.72ms. Allocated memory is still 115.3MB. Free memory was 92.0MB in the beginning and 90.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 34.06ms. Allocated memory is still 115.3MB. Free memory was 90.6MB in the beginning and 89.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 493.59ms. Allocated memory is still 115.3MB. Free memory was 89.0MB in the beginning and 76.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* TraceAbstraction took 4195.54ms. Allocated memory was 115.3MB in the beginning and 157.3MB in the end (delta: 41.9MB). Free memory was 76.4MB in the beginning and 63.9MB in the end (delta: 12.5MB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB.
* Witness Printer took 51.66ms. Allocated memory is still 157.3MB. Free memory was 63.9MB in the beginning and 60.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Independence relation #1 benchmarks
ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 960, positive: 952, positive conditional: 196, positive unconditional: 756, negative: 8, negative conditional: 6, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 954, positive: 952, positive conditional: 196, positive unconditional: 756, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 954, positive: 952, positive conditional: 196, positive unconditional: 756, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 954, positive: 952, positive conditional: 0, positive unconditional: 952, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 954, positive: 952, positive conditional: 0, positive unconditional: 952, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 954, positive: 952, positive conditional: 0, positive unconditional: 952, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 758, positive: 756, positive conditional: 0, positive unconditional: 756, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 758, positive: 755, positive conditional: 0, positive unconditional: 755, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 71, positive: 53, positive conditional: 0, positive unconditional: 53, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 954, positive: 196, positive conditional: 0, positive unconditional: 196, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 758, unknown conditional: 0, unknown unconditional: 758] , Statistics on independence cache: Total cache size (in pairs): 758, Positive cache size: 756, Positive conditional cache size: 0, Positive unconditional cache size: 756, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 6
- StatisticsResult: Persistent set benchmarks
Persistent set computation time: 0.1s, Number of persistent set computation: 165, Number of trivial persistent sets: 137, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 758, positive: 756, positive conditional: 0, positive unconditional: 756, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 960, positive: 952, positive conditional: 196, positive unconditional: 756, negative: 8, negative conditional: 6, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 954, positive: 952, positive conditional: 196, positive unconditional: 756, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 954, positive: 952, positive conditional: 196, positive unconditional: 756, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 954, positive: 952, positive conditional: 0, positive unconditional: 952, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 954, positive: 952, positive conditional: 0, positive unconditional: 952, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 954, positive: 952, positive conditional: 0, positive unconditional: 952, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 758, positive: 756, positive conditional: 0, positive unconditional: 756, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 758, positive: 755, positive conditional: 0, positive unconditional: 755, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 71, positive: 53, positive conditional: 0, positive unconditional: 53, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 954, positive: 196, positive conditional: 0, positive unconditional: 196, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 758, unknown conditional: 0, unknown unconditional: 758] , Statistics on independence cache: Total cache size (in pairs): 758, Positive cache size: 756, Positive conditional cache size: 0, Positive unconditional cache size: 756, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 6
- PositiveResult [Line: 72]: 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 for errors in thread instance: ULTIMATE.start with 1 thread instances
CFG has 5 procedures, 125 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 160 NumberOfCodeBlocks, 160 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 158 ConstructedInterpolants, 0 QuantifiedInterpolants, 931 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2022-11-04 12:05:33,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0718bfd0-25ef-4ff3-87f9-3eddc380f8a3/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0
[2022-11-04 12:05:33,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0718bfd0-25ef-4ff3-87f9-3eddc380f8a3/bin/ugemcutter-C1kR7RIaUi/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