./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for memory safety (deref-memtrack)
Using default analysis
Version e7bb482b
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )

 --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2b8fef41c3119c5f4fc9586ebd31a4ff7152be41d9f2f8da139e8cd34cf0da86
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-e7bb482
[2023-11-06 14:08:27,059 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-06 14:08:27,175 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf
[2023-11-06 14:08:27,180 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-06 14:08:27,185 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-06 14:08:27,224 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-06 14:08:27,225 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-06 14:08:27,226 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-06 14:08:27,227 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-06 14:08:27,234 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-06 14:08:27,236 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-06 14:08:27,236 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-06 14:08:27,238 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-06 14:08:27,240 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-06 14:08:27,240 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-11-06 14:08:27,241 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-06 14:08:27,241 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-11-06 14:08:27,242 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-06 14:08:27,242 INFO  L153        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2023-11-06 14:08:27,243 INFO  L153        SettingsManager]:  * Bitprecise bitfields=true
[2023-11-06 14:08:27,243 INFO  L153        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2023-11-06 14:08:27,244 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-06 14:08:27,244 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-11-06 14:08:27,245 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2023-11-06 14:08:27,245 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-11-06 14:08:27,245 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-06 14:08:27,247 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-06 14:08:27,247 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-06 14:08:27,247 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-06 14:08:27,248 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-06 14:08:27,249 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-06 14:08:27,250 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-06 14:08:27,250 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-06 14:08:27,250 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-06 14:08:27,250 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-06 14:08:27,251 INFO  L153        SettingsManager]:  * Abstraction used for commutativity in POR=VARIABLES_GLOBAL
[2023-11-06 14:08:27,251 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2023-11-06 14:08:27,251 INFO  L153        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2023-11-06 14:08:27,252 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2023-11-06 14:08:27,252 INFO  L153        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_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/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_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i
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 valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )


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 -> 2b8fef41c3119c5f4fc9586ebd31a4ff7152be41d9f2f8da139e8cd34cf0da86
[2023-11-06 14:08:27,572 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-06 14:08:27,603 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-06 14:08:27,606 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-06 14:08:27,609 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-06 14:08:27,609 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-06 14:08:27,611 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/../../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c
[2023-11-06 14:08:30,984 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-06 14:08:31,186 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-06 14:08:31,187 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c
[2023-11-06 14:08:31,204 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/data/3af00c457/d330da61b4b14d65b8cbcaab28b2d67b/FLAGa6469fe45
[2023-11-06 14:08:31,223 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/data/3af00c457/d330da61b4b14d65b8cbcaab28b2d67b
[2023-11-06 14:08:31,226 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-06 14:08:31,228 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-06 14:08:31,230 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-06 14:08:31,231 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-06 14:08:31,238 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-06 14:08:31,239 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:08:31" (1/1) ...
[2023-11-06 14:08:31,241 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22027953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:31, skipping insertion in model container
[2023-11-06 14:08:31,241 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:08:31" (1/1) ...
[2023-11-06 14:08:31,320 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-06 14:08:31,599 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-06 14:08:31,613 ERROR L324         MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation)
[2023-11-06 14:08:31,613 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6a2bad59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:31, skipping insertion in model container
[2023-11-06 14:08:31,614 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-06 14:08:31,614 INFO  L186        ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner
[2023-11-06 14:08:31,616 INFO  L158              Benchmark]: Toolchain (without parser) took 387.39ms. Allocated memory is still 159.4MB. Free memory was 120.9MB in the beginning and 110.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2023-11-06 14:08:31,617 INFO  L158              Benchmark]: CDTParser took 0.26ms. Allocated memory is still 119.5MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-06 14:08:31,617 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 383.94ms. Allocated memory is still 159.4MB. Free memory was 120.3MB in the beginning and 110.4MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2023-11-06 14:08:31,619 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.26ms. Allocated memory is still 119.5MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 383.94ms. Allocated memory is still 159.4MB. Free memory was 120.3MB in the beginning and 110.4MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - UnsupportedSyntaxResult [Line: 183]: Unsupported Syntax
    Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis

### Bit-precise run ###
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )

 --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2b8fef41c3119c5f4fc9586ebd31a4ff7152be41d9f2f8da139e8cd34cf0da86
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-e7bb482
[2023-11-06 14:08:34,207 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-06 14:08:34,346 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf
[2023-11-06 14:08:34,352 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-06 14:08:34,353 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-06 14:08:34,402 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-06 14:08:34,403 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-06 14:08:34,404 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-06 14:08:34,405 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-06 14:08:34,410 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-06 14:08:34,411 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-06 14:08:34,411 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-06 14:08:34,412 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-06 14:08:34,413 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-06 14:08:34,414 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-11-06 14:08:34,414 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-06 14:08:34,415 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-11-06 14:08:34,415 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-06 14:08:34,415 INFO  L153        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2023-11-06 14:08:34,416 INFO  L153        SettingsManager]:  * Bitprecise bitfields=true
[2023-11-06 14:08:34,417 INFO  L153        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2023-11-06 14:08:34,417 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-06 14:08:34,418 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-11-06 14:08:34,418 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-11-06 14:08:34,418 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-11-06 14:08:34,419 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2023-11-06 14:08:34,419 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-11-06 14:08:34,420 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-06 14:08:34,420 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-06 14:08:34,421 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-06 14:08:34,421 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-06 14:08:34,421 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-06 14:08:34,422 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-06 14:08:34,422 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-06 14:08:34,422 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-11-06 14:08:34,422 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-11-06 14:08:34,422 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-06 14:08:34,423 INFO  L153        SettingsManager]:  * Abstraction used for commutativity in POR=VARIABLES_GLOBAL
[2023-11-06 14:08:34,423 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2023-11-06 14:08:34,423 INFO  L153        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2023-11-06 14:08:34,423 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2023-11-06 14:08:34,424 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-06 14:08:34,424 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
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_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/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_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i
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 valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )


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 -> 2b8fef41c3119c5f4fc9586ebd31a4ff7152be41d9f2f8da139e8cd34cf0da86
[2023-11-06 14:08:34,888 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-06 14:08:34,919 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-06 14:08:34,922 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-06 14:08:34,923 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-06 14:08:34,924 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-06 14:08:34,925 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/../../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c
[2023-11-06 14:08:38,284 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-06 14:08:38,559 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-06 14:08:38,560 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c
[2023-11-06 14:08:38,571 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/data/5399ec61f/38dc1fccf3b54b5e83007bfb766e784c/FLAG1f41782f7
[2023-11-06 14:08:38,590 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/data/5399ec61f/38dc1fccf3b54b5e83007bfb766e784c
[2023-11-06 14:08:38,593 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-06 14:08:38,594 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-06 14:08:38,596 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-06 14:08:38,596 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-06 14:08:38,601 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-06 14:08:38,602 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:08:38" (1/1) ...
[2023-11-06 14:08:38,603 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37ee1436 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:38, skipping insertion in model container
[2023-11-06 14:08:38,603 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:08:38" (1/1) ...
[2023-11-06 14:08:38,633 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-06 14:08:38,943 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-06 14:08:38,967 INFO  L199         MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2023-11-06 14:08:38,981 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-06 14:08:39,018 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-06 14:08:39,036 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-06 14:08:39,097 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-06 14:08:39,116 WARN  L672               CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler.
[2023-11-06 14:08:39,117 WARN  L672               CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler.
[2023-11-06 14:08:39,125 INFO  L206         MainTranslator]: Completed translation
[2023-11-06 14:08:39,125 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:39 WrapperNode
[2023-11-06 14:08:39,125 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-06 14:08:39,127 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-06 14:08:39,127 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-06 14:08:39,128 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-06 14:08:39,135 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:39" (1/1) ...
[2023-11-06 14:08:39,162 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:39" (1/1) ...
[2023-11-06 14:08:39,204 INFO  L138                Inliner]: procedures = 31, calls = 96, calls flagged for inlining = 22, calls inlined = 28, statements flattened = 291
[2023-11-06 14:08:39,205 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-06 14:08:39,206 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-06 14:08:39,206 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-06 14:08:39,206 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-06 14:08:39,216 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:39" (1/1) ...
[2023-11-06 14:08:39,216 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:39" (1/1) ...
[2023-11-06 14:08:39,237 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:39" (1/1) ...
[2023-11-06 14:08:39,237 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:39" (1/1) ...
[2023-11-06 14:08:39,267 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:39" (1/1) ...
[2023-11-06 14:08:39,272 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:39" (1/1) ...
[2023-11-06 14:08:39,275 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:39" (1/1) ...
[2023-11-06 14:08:39,277 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:39" (1/1) ...
[2023-11-06 14:08:39,282 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-06 14:08:39,283 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-06 14:08:39,283 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-06 14:08:39,283 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-06 14:08:39,285 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:39" (1/1) ...
[2023-11-06 14:08:39,292 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-06 14:08:39,307 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/z3
[2023-11-06 14:08:39,319 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-06 14:08:39,332 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-06 14:08:39,358 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-06 14:08:39,358 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2023-11-06 14:08:39,358 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-06 14:08:39,358 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2023-11-06 14:08:39,358 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2023-11-06 14:08:39,359 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2023-11-06 14:08:39,359 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2023-11-06 14:08:39,359 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2023-11-06 14:08:39,361 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2023-11-06 14:08:39,362 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2023-11-06 14:08:39,362 INFO  L130     BoogieDeclarations]: Found specification of procedure thread4
[2023-11-06 14:08:39,362 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread4
[2023-11-06 14:08:39,362 INFO  L130     BoogieDeclarations]: Found specification of procedure thread5
[2023-11-06 14:08:39,362 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread5
[2023-11-06 14:08:39,362 INFO  L130     BoogieDeclarations]: Found specification of procedure thread6
[2023-11-06 14:08:39,363 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread6
[2023-11-06 14:08:39,363 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2023-11-06 14:08:39,363 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2023-11-06 14:08:39,363 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2023-11-06 14:08:39,364 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-06 14:08:39,364 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-06 14:08:39,364 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-06 14:08:39,364 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2023-11-06 14:08:39,366 WARN  L210             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2023-11-06 14:08:39,515 INFO  L236             CfgBuilder]: Building ICFG
[2023-11-06 14:08:39,517 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-06 14:08:40,550 INFO  L277             CfgBuilder]: Performing block encoding
[2023-11-06 14:08:40,894 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-06 14:08:40,895 INFO  L302             CfgBuilder]: Removed 5 assume(true) statements.
[2023-11-06 14:08:40,899 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:08:40 BoogieIcfgContainer
[2023-11-06 14:08:40,899 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-06 14:08:40,904 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-06 14:08:40,904 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-11-06 14:08:40,907 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-11-06 14:08:40,907 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 02:08:38" (1/3) ...
[2023-11-06 14:08:40,908 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4269192a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 02:08:40, skipping insertion in model container
[2023-11-06 14:08:40,908 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:39" (2/3) ...
[2023-11-06 14:08:40,910 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4269192a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 02:08:40, skipping insertion in model container
[2023-11-06 14:08:40,910 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:08:40" (3/3) ...
[2023-11-06 14:08:40,912 INFO  L112   eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1-dsl.wvr.c
[2023-11-06 14:08:40,931 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-06 14:08:40,932 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations.
[2023-11-06 14:08:40,932 INFO  L519   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-11-06 14:08:41,136 INFO  L144    ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions.
[2023-11-06 14:08:41,206 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-06 14:08:41,207 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2023-11-06 14:08:41,207 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/z3
[2023-11-06 14:08:41,210 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2023-11-06 14:08:41,275 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2023-11-06 14:08:41,362 INFO  L159   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2023-11-06 14:08:41,375 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork3 ========
[2023-11-06 14:08:41,383 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=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@3f67bb53, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-06 14:08:41,383 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2023-11-06 14:08:42,482 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] ===
[2023-11-06 14:08:42,487 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-06 14:08:42,488 INFO  L85        PathProgramCache]: Analyzing trace with hash -982820134, now seen corresponding path program 1 times
[2023-11-06 14:08:42,503 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-06 14:08:42,504 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2017873984]
[2023-11-06 14:08:42,504 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-06 14:08:42,505 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-06 14:08:42,505 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/mathsat
[2023-11-06 14:08:42,535 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-06 14:08:42,544 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2023-11-06 14:08:42,719 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-06 14:08:42,727 INFO  L262         TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-11-06 14:08:42,734 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-06 14:08:42,752 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-06 14:08:42,752 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-06 14:08:42,753 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-06 14:08:42,753 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2017873984]
[2023-11-06 14:08:42,754 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2017873984] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-06 14:08:42,754 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-06 14:08:42,754 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-06 14:08:42,756 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442443658]
[2023-11-06 14:08:42,757 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-06 14:08:42,762 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-06 14:08:42,763 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-06 14:08:42,794 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-06 14:08:42,795 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-06 14:08:42,796 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-06 14:08:42,800 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-11-06 14:08:42,802 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 54.5) internal successors, (109), 2 states have internal predecessors, (109), 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)
[2023-11-06 14:08:42,802 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-11-06 14:08:42,892 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-06 14:08:42,910 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2023-11-06 14:08:43,105 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-06 14:08:43,105 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] ===
[2023-11-06 14:08:43,105 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-06 14:08:43,106 INFO  L85        PathProgramCache]: Analyzing trace with hash 859176426, now seen corresponding path program 1 times
[2023-11-06 14:08:43,106 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-06 14:08:43,106 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1058140482]
[2023-11-06 14:08:43,107 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-06 14:08:43,107 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-06 14:08:43,107 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/mathsat
[2023-11-06 14:08:43,108 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-06 14:08:43,114 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2023-11-06 14:08:43,320 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-06 14:08:43,326 INFO  L262         TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 12 conjunts are in the unsatisfiable core
[2023-11-06 14:08:43,331 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-06 14:08:44,221 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-06 14:08:44,222 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-06 14:08:44,222 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-06 14:08:44,222 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1058140482]
[2023-11-06 14:08:44,222 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1058140482] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-06 14:08:44,223 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-06 14:08:44,223 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2023-11-06 14:08:44,223 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162825152]
[2023-11-06 14:08:44,223 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-06 14:08:44,225 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2023-11-06 14:08:44,225 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-06 14:08:44,226 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2023-11-06 14:08:44,227 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156
[2023-11-06 14:08:44,227 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-06 14:08:44,229 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-11-06 14:08:44,229 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 12 states have (on average 8.833333333333334) internal successors, (106), 13 states have internal predecessors, (106), 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)
[2023-11-06 14:08:44,229 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-11-06 14:08:44,229 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-11-06 14:08:45,304 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-06 14:08:45,306 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2023-11-06 14:08:45,325 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0
[2023-11-06 14:08:45,514 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-06 14:08:45,515 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] ===
[2023-11-06 14:08:45,516 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-06 14:08:45,516 INFO  L85        PathProgramCache]: Analyzing trace with hash 1420367770, now seen corresponding path program 1 times
[2023-11-06 14:08:45,517 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-06 14:08:45,517 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1087342161]
[2023-11-06 14:08:45,517 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-06 14:08:45,517 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-06 14:08:45,517 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/mathsat
[2023-11-06 14:08:45,520 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-06 14:08:45,536 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2023-11-06 14:08:45,749 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-06 14:08:45,757 INFO  L262         TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 15 conjunts are in the unsatisfiable core
[2023-11-06 14:08:45,762 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-06 14:08:46,868 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-06 14:08:46,868 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-11-06 14:08:47,745 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-06 14:08:47,746 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-06 14:08:47,746 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1087342161]
[2023-11-06 14:08:47,746 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1087342161] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-06 14:08:47,746 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-11-06 14:08:47,747 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11] total 25
[2023-11-06 14:08:47,747 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888023520]
[2023-11-06 14:08:47,747 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-11-06 14:08:47,750 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 26 states
[2023-11-06 14:08:47,751 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-06 14:08:47,755 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants.
[2023-11-06 14:08:47,759 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=506, Unknown=0, NotChecked=0, Total=650
[2023-11-06 14:08:47,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-06 14:08:47,761 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-11-06 14:08:47,762 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 26 states, 25 states have (on average 6.88) internal successors, (172), 26 states have internal predecessors, (172), 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)
[2023-11-06 14:08:47,763 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-11-06 14:08:47,763 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2023-11-06 14:08:47,764 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-11-06 14:08:49,631 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-06 14:08:49,631 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2023-11-06 14:08:49,633 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2023-11-06 14:08:49,645 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0
[2023-11-06 14:08:49,833 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-06 14:08:49,834 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] ===
[2023-11-06 14:08:49,834 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-06 14:08:49,834 INFO  L85        PathProgramCache]: Analyzing trace with hash -1543063574, now seen corresponding path program 2 times
[2023-11-06 14:08:49,835 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-06 14:08:49,835 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1512683080]
[2023-11-06 14:08:49,835 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-06 14:08:49,836 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-06 14:08:49,836 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/mathsat
[2023-11-06 14:08:49,838 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-06 14:08:49,843 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process
[2023-11-06 14:08:50,055 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2023-11-06 14:08:50,056 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-06 14:08:50,062 INFO  L262         TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 11 conjunts are in the unsatisfiable core
[2023-11-06 14:08:50,068 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-06 14:08:50,101 INFO  L351             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7
[2023-11-06 14:08:50,249 INFO  L322             Elim1Store]: treesize reduction 24, result has 33.3 percent of original size
[2023-11-06 14:08:50,249 INFO  L351             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20
[2023-11-06 14:08:50,268 INFO  L322             Elim1Store]: treesize reduction 17, result has 29.2 percent of original size
[2023-11-06 14:08:50,269 INFO  L351             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20
[2023-11-06 14:08:50,310 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2023-11-06 14:08:50,310 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-06 14:08:50,311 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-06 14:08:50,311 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1512683080]
[2023-11-06 14:08:50,311 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1512683080] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-06 14:08:50,311 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-06 14:08:50,312 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-11-06 14:08:50,312 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757141253]
[2023-11-06 14:08:50,312 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-06 14:08:50,313 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-11-06 14:08:50,313 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-06 14:08:50,314 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-11-06 14:08:50,314 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2023-11-06 14:08:50,314 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-06 14:08:50,315 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-11-06 14:08:50,316 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 6 states have (on average 18.833333333333332) internal successors, (113), 7 states have internal predecessors, (113), 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)
[2023-11-06 14:08:50,316 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-11-06 14:08:50,316 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2023-11-06 14:08:50,316 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2023-11-06 14:08:50,317 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-11-06 14:08:51,011 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-06 14:08:51,011 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2023-11-06 14:08:51,011 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2023-11-06 14:08:51,012 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2023-11-06 14:08:51,029 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0
[2023-11-06 14:08:51,213 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-06 14:08:51,213 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] ===
[2023-11-06 14:08:51,213 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-06 14:08:51,214 INFO  L85        PathProgramCache]: Analyzing trace with hash -1543063573, now seen corresponding path program 1 times
[2023-11-06 14:08:51,214 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-06 14:08:51,214 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [196016034]
[2023-11-06 14:08:51,214 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-06 14:08:51,215 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-06 14:08:51,215 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/mathsat
[2023-11-06 14:08:51,217 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-06 14:08:51,239 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb75c05-298d-499d-a1b1-3e47f8aa2920/bin/ugemcutter-verify-t8buoWUS1i/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process
[2023-11-06 14:08:51,482 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-06 14:08:51,492 INFO  L262         TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 34 conjunts are in the unsatisfiable core
[2023-11-06 14:08:51,498 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-06 14:08:51,712 INFO  L351             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7
[2023-11-06 14:08:51,731 INFO  L351             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7
[2023-11-06 14:08:54,133 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2023-11-06 14:08:54,134 INFO  L351             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 14
[2023-11-06 14:08:54,149 INFO  L322             Elim1Store]: treesize reduction 6, result has 40.0 percent of original size
[2023-11-06 14:08:54,149 INFO  L351             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13
[2023-11-06 14:08:54,283 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2023-11-06 14:08:54,286 INFO  L351             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 14
[2023-11-06 14:08:54,794 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-06 14:08:54,794 INFO  L327         TraceCheckSpWp]: Computing backward predicates...