./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for memory safety (deref-memtrack)
Using default analysis
Version 9bd2c7ff
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_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7fb5800c8758888815eae44b37eaf9bc49d0baa078e11009154801fa3e07455f
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:42:33,356 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:42:33,488 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf
[2023-11-19 07:42:33,496 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:42:33,497 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:42:33,538 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:42:33,539 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:42:33,539 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:42:33,540 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:42:33,546 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:42:33,547 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:42:33,548 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:42:33,548 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:42:33,550 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:42:33,550 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:42:33,551 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:42:33,551 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2023-11-19 07:42:33,552 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2023-11-19 07:42:33,552 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2023-11-19 07:42:33,553 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:42:33,553 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2023-11-19 07:42:33,554 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 07:42:33,554 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:42:33,555 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:42:33,556 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:42:33,556 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:42:33,557 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:42:33,557 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:42:33,558 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:42:33,558 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:42:33,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:42:33,560 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:42:33,560 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:42:33,560 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:42:33,561 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:42:33,561 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
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_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7fb5800c8758888815eae44b37eaf9bc49d0baa078e11009154801fa3e07455f
[2023-11-19 07:42:33,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:42:33,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:42:33,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:42:33,859 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:42:33,859 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:42:33,861 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i
[2023-11-19 07:42:36,872 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:42:37,323 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:42:37,324 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i
[2023-11-19 07:42:37,361 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/data/7c4ba89f2/27522bb25ef64408b6001d58e510ff78/FLAG3c0a08dc5
[2023-11-19 07:42:37,382 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/data/7c4ba89f2/27522bb25ef64408b6001d58e510ff78
[2023-11-19 07:42:37,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:42:37,390 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:42:37,393 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:42:37,393 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:42:37,399 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:42:37,400 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:37" (1/1) ...
[2023-11-19 07:42:37,401 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79a72d30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:37, skipping insertion in model container
[2023-11-19 07:42:37,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:37" (1/1) ...
[2023-11-19 07:42:37,501 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:42:38,836 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:42:38,873 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)
[2023-11-19 07:42:38,873 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3493e43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:38, skipping insertion in model container
[2023-11-19 07:42:38,873 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:42:38,874 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner
[2023-11-19 07:42:38,876 INFO L158 Benchmark]: Toolchain (without parser) took 1485.33ms. Allocated memory is still 155.2MB. Free memory was 109.5MB in the beginning and 80.1MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB.
[2023-11-19 07:42:38,877 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 155.2MB. Free memory is still 100.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:42:38,878 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1480.88ms. Allocated memory is still 155.2MB. Free memory was 108.9MB in the beginning and 80.1MB in the end (delta: 28.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB.
[2023-11-19 07:42:38,881 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.22ms. Allocated memory is still 155.2MB. Free memory is still 100.0MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1480.88ms. Allocated memory is still 155.2MB. Free memory was 108.9MB in the beginning and 80.1MB in the end (delta: 28.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- UnsupportedSyntaxResult [Line: 2428]: 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7fb5800c8758888815eae44b37eaf9bc49d0baa078e11009154801fa3e07455f
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:42:41,411 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:42:41,538 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf
[2023-11-19 07:42:41,547 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:42:41,548 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:42:41,589 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:42:41,589 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:42:41,590 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:42:41,591 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:42:41,597 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:42:41,598 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:42:41,598 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:42:41,599 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:42:41,600 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:42:41,601 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:42:41,601 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:42:41,602 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2023-11-19 07:42:41,602 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2023-11-19 07:42:41,603 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2023-11-19 07:42:41,603 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:42:41,604 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2023-11-19 07:42:41,604 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2023-11-19 07:42:41,605 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2023-11-19 07:42:41,605 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 07:42:41,606 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:42:41,607 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:42:41,607 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:42:41,607 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:42:41,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:42:41,608 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:42:41,610 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:42:41,610 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2023-11-19 07:42:41,610 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-11-19 07:42:41,611 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:42:41,611 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:42:41,611 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:42:41,612 INFO L153 SettingsManager]: * Logic for external solver=AUFBV
[2023-11-19 07:42:41,612 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:42:41,612 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
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_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7fb5800c8758888815eae44b37eaf9bc49d0baa078e11009154801fa3e07455f
[2023-11-19 07:42:42,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:42:42,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:42:42,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:42:42,087 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:42:42,088 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:42:42,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i
[2023-11-19 07:42:45,394 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:42:45,871 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:42:45,872 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i
[2023-11-19 07:42:45,909 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/data/05c5533cf/a41b7d6b3b794216b525702021e97873/FLAG5ded42d7d
[2023-11-19 07:42:45,924 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/data/05c5533cf/a41b7d6b3b794216b525702021e97873
[2023-11-19 07:42:45,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:42:45,929 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:42:45,931 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:42:45,931 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:42:45,937 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:42:45,938 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:45" (1/1) ...
[2023-11-19 07:42:45,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@644ed3b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:45, skipping insertion in model container
[2023-11-19 07:42:45,939 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:45" (1/1) ...
[2023-11-19 07:42:46,037 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:42:47,291 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:42:47,331 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2023-11-19 07:42:47,358 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:42:47,508 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:42:47,531 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:42:47,701 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:42:47,995 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:42:47,995 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:42:48,003 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:42:48,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:48 WrapperNode
[2023-11-19 07:42:48,004 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:42:48,005 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:42:48,005 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:42:48,010 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:42:48,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:48" (1/1) ...
[2023-11-19 07:42:48,088 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:48" (1/1) ...
[2023-11-19 07:42:48,154 INFO L138 Inliner]: procedures = 629, calls = 250, calls flagged for inlining = 25, calls inlined = 23, statements flattened = 686
[2023-11-19 07:42:48,157 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:42:48,157 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:42:48,158 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:42:48,158 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:42:48,167 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:48" (1/1) ...
[2023-11-19 07:42:48,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:48" (1/1) ...
[2023-11-19 07:42:48,188 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:48" (1/1) ...
[2023-11-19 07:42:48,189 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:48" (1/1) ...
[2023-11-19 07:42:48,284 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:48" (1/1) ...
[2023-11-19 07:42:48,302 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:48" (1/1) ...
[2023-11-19 07:42:48,329 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:48" (1/1) ...
[2023-11-19 07:42:48,337 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:48" (1/1) ...
[2023-11-19 07:42:48,381 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:42:48,382 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:42:48,382 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:42:48,383 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:42:48,383 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:48" (1/1) ...
[2023-11-19 07:42:48,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:42:48,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:42:48,426 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:42:48,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:42:48,469 INFO L130 BoogieDeclarations]: Found specification of procedure execvp
[2023-11-19 07:42:48,470 INFO L138 BoogieDeclarations]: Found implementation of procedure execvp
[2023-11-19 07:42:48,470 INFO L130 BoogieDeclarations]: Found specification of procedure strerror
[2023-11-19 07:42:48,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 07:42:48,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2023-11-19 07:42:48,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4
[2023-11-19 07:42:48,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2023-11-19 07:42:48,471 INFO L130 BoogieDeclarations]: Found specification of procedure fflush
[2023-11-19 07:42:48,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:42:48,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2023-11-19 07:42:48,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8
[2023-11-19 07:42:48,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2
[2023-11-19 07:42:48,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4
[2023-11-19 07:42:48,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1
[2023-11-19 07:42:48,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:42:48,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:42:48,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1
[2023-11-19 07:42:48,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy
[2023-11-19 07:42:48,474 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy
[2023-11-19 07:42:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2023-11-19 07:42:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$
[2023-11-19 07:42:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$
[2023-11-19 07:42:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure bb_perror_msg_and_die
[2023-11-19 07:42:48,476 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_perror_msg_and_die
[2023-11-19 07:42:48,476 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-11-19 07:42:48,476 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-11-19 07:42:48,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 07:42:48,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2023-11-19 07:42:48,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1
[2023-11-19 07:42:48,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2023-11-19 07:42:48,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2023-11-19 07:42:48,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4
[2023-11-19 07:42:48,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2
[2023-11-19 07:42:48,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1
[2023-11-19 07:42:48,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8
[2023-11-19 07:42:49,055 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:42:49,059 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:42:55,038 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:42:55,059 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:42:55,059 INFO L302 CfgBuilder]: Removed 10 assume(true) statements.
[2023-11-19 07:42:55,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:42:55 BoogieIcfgContainer
[2023-11-19 07:42:55,073 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:42:55,076 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:42:55,077 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:42:55,080 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:42:55,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:42:45" (1/3) ...
[2023-11-19 07:42:55,082 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7267a757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:42:55, skipping insertion in model container
[2023-11-19 07:42:55,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:48" (2/3) ...
[2023-11-19 07:42:55,084 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7267a757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:42:55, skipping insertion in model container
[2023-11-19 07:42:55,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:42:55" (3/3) ...
[2023-11-19 07:42:55,085 INFO L112 eAbstractionObserver]: Analyzing ICFG chroot-incomplete-2.i
[2023-11-19 07:42:55,107 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:42:55,107 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 199 error locations.
[2023-11-19 07:42:55,179 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:42:55,185 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=PETRI_NET, 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;@7e626037, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:42:55,186 INFO L358 AbstractCegarLoop]: Starting to check reachability of 199 error locations.
[2023-11-19 07:42:55,191 INFO L276 IsEmpty]: Start isEmpty. Operand has 498 states, 279 states have (on average 1.913978494623656) internal successors, (534), 478 states have internal predecessors, (534), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15)
[2023-11-19 07:42:55,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2023-11-19 07:42:55,197 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:42:55,198 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1]
[2023-11-19 07:42:55,198 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 196 more)] ===
[2023-11-19 07:42:55,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:42:55,203 INFO L85 PathProgramCache]: Analyzing trace with hash 449896, now seen corresponding path program 1 times
[2023-11-19 07:42:55,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:42:55,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [216923148]
[2023-11-19 07:42:55,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:42:55,224 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
[2023-11-19 07:42:55,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:42:55,229 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/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)
[2023-11-19 07:42:55,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/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 (2)] Waiting until timeout for monitored process
[2023-11-19 07:42:55,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:42:55,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-19 07:42:55,581 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:42:55,663 INFO L378 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
[2023-11-19 07:42:55,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:42:55,691 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:42:55,692 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:42:55,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [216923148]
[2023-11-19 07:42:55,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [216923148] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:42:55,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:42:55,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:42:55,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985676779]
[2023-11-19 07:42:55,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:42:55,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:42:55,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:42:55,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:42:55,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:42:55,740 INFO L87 Difference]: Start difference. First operand has 498 states, 279 states have (on average 1.913978494623656) internal successors, (534), 478 states have internal predecessors, (534), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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)
[2023-11-19 07:42:57,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:42:57,350 INFO L93 Difference]: Finished difference Result 506 states and 558 transitions.
[2023-11-19 07:42:57,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:42:57,354 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3
[2023-11-19 07:42:57,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:42:57,369 INFO L225 Difference]: With dead ends: 506
[2023-11-19 07:42:57,369 INFO L226 Difference]: Without dead ends: 504
[2023-11-19 07:42:57,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:42:57,374 INFO L413 NwaCegarLoop]: 443 mSDtfsCounter, 220 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2023-11-19 07:42:57,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 639 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2023-11-19 07:42:57,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states.
[2023-11-19 07:42:57,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 487.
[2023-11-19 07:42:57,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 273 states have (on average 1.8717948717948718) internal successors, (511), 470 states have internal predecessors, (511), 15 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2023-11-19 07:42:57,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 538 transitions.
[2023-11-19 07:42:57,459 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 538 transitions. Word has length 3
[2023-11-19 07:42:57,459 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:42:57,459 INFO L495 AbstractCegarLoop]: Abstraction has 487 states and 538 transitions.
[2023-11-19 07:42:57,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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)
[2023-11-19 07:42:57,460 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 538 transitions.
[2023-11-19 07:42:57,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2023-11-19 07:42:57,460 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:42:57,461 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1]
[2023-11-19 07:42:57,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/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 (2)] Forceful destruction successful, exit code 0
[2023-11-19 07:42:57,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/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
[2023-11-19 07:42:57,667 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 196 more)] ===
[2023-11-19 07:42:57,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:42:57,668 INFO L85 PathProgramCache]: Analyzing trace with hash 449897, now seen corresponding path program 1 times
[2023-11-19 07:42:57,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:42:57,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1252882975]
[2023-11-19 07:42:57,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:42:57,669 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
[2023-11-19 07:42:57,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:42:57,671 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/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)
[2023-11-19 07:42:57,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/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
[2023-11-19 07:42:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:42:57,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-19 07:42:57,984 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:42:58,006 INFO L378 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 5
[2023-11-19 07:42:58,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:42:58,041 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:42:58,041 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:42:58,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1252882975]
[2023-11-19 07:42:58,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1252882975] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:42:58,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:42:58,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:42:58,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402903310]
[2023-11-19 07:42:58,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:42:58,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:42:58,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:42:58,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:42:58,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:42:58,045 INFO L87 Difference]: Start difference. First operand 487 states and 538 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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)
[2023-11-19 07:43:00,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:43:00,489 INFO L93 Difference]: Finished difference Result 486 states and 537 transitions.
[2023-11-19 07:43:00,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:43:00,490 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3
[2023-11-19 07:43:00,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:43:00,494 INFO L225 Difference]: With dead ends: 486
[2023-11-19 07:43:00,495 INFO L226 Difference]: Without dead ends: 486
[2023-11-19 07:43:00,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:43:00,496 INFO L413 NwaCegarLoop]: 530 mSDtfsCounter, 13 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 860 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time
[2023-11-19 07:43:00,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 860 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time]
[2023-11-19 07:43:00,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states.
[2023-11-19 07:43:00,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 486.
[2023-11-19 07:43:00,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 273 states have (on average 1.8681318681318682) internal successors, (510), 469 states have internal predecessors, (510), 15 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2023-11-19 07:43:00,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 537 transitions.
[2023-11-19 07:43:00,540 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 537 transitions. Word has length 3
[2023-11-19 07:43:00,541 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:43:00,541 INFO L495 AbstractCegarLoop]: Abstraction has 486 states and 537 transitions.
[2023-11-19 07:43:00,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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)
[2023-11-19 07:43:00,541 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 537 transitions.
[2023-11-19 07:43:00,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2023-11-19 07:43:00,542 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:43:00,542 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2023-11-19 07:43:00,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/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
[2023-11-19 07:43:00,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/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
[2023-11-19 07:43:00,748 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 196 more)] ===
[2023-11-19 07:43:00,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:43:00,749 INFO L85 PathProgramCache]: Analyzing trace with hash 518346313, now seen corresponding path program 1 times
[2023-11-19 07:43:00,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:43:00,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [756150688]
[2023-11-19 07:43:00,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:43:00,751 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
[2023-11-19 07:43:00,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:43:00,755 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/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)
[2023-11-19 07:43:00,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/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
[2023-11-19 07:43:01,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:43:01,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-11-19 07:43:01,040 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:43:01,061 INFO L378 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 5
[2023-11-19 07:43:01,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:43:01,200 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:43:01,200 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:43:01,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [756150688]
[2023-11-19 07:43:01,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [756150688] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:43:01,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:43:01,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:43:01,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743886838]
[2023-11-19 07:43:01,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:43:01,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:43:01,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:43:01,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:43:01,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:43:01,202 INFO L87 Difference]: Start difference. First operand 486 states and 537 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:43:03,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:43:03,646 INFO L93 Difference]: Finished difference Result 490 states and 541 transitions.
[2023-11-19 07:43:03,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:43:03,648 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2023-11-19 07:43:03,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:43:03,651 INFO L225 Difference]: With dead ends: 490
[2023-11-19 07:43:03,651 INFO L226 Difference]: Without dead ends: 490
[2023-11-19 07:43:03,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:43:03,652 INFO L413 NwaCegarLoop]: 528 mSDtfsCounter, 16 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 861 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time
[2023-11-19 07:43:03,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 861 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time]
[2023-11-19 07:43:03,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states.
[2023-11-19 07:43:03,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 488.
[2023-11-19 07:43:03,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 275 states have (on average 1.8618181818181818) internal successors, (512), 471 states have internal predecessors, (512), 15 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2023-11-19 07:43:03,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 539 transitions.
[2023-11-19 07:43:03,675 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 539 transitions. Word has length 6
[2023-11-19 07:43:03,675 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:43:03,675 INFO L495 AbstractCegarLoop]: Abstraction has 488 states and 539 transitions.
[2023-11-19 07:43:03,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:43:03,676 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 539 transitions.
[2023-11-19 07:43:03,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2023-11-19 07:43:03,676 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:43:03,677 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:43:03,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/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
[2023-11-19 07:43:03,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/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
[2023-11-19 07:43:03,883 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 196 more)] ===
[2023-11-19 07:43:03,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:43:03,883 INFO L85 PathProgramCache]: Analyzing trace with hash -452851700, now seen corresponding path program 1 times
[2023-11-19 07:43:03,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:43:03,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1957598740]
[2023-11-19 07:43:03,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:43:03,884 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
[2023-11-19 07:43:03,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:43:03,885 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/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)
[2023-11-19 07:43:03,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/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
[2023-11-19 07:43:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:43:04,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-11-19 07:43:04,150 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:43:04,167 INFO L378 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 5
[2023-11-19 07:43:04,432 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:43:04,432 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:43:05,210 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:43:05,210 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:43:05,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1957598740]
[2023-11-19 07:43:05,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1957598740] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:43:05,211 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-11-19 07:43:05,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7
[2023-11-19 07:43:05,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252959861]
[2023-11-19 07:43:05,211 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:43:05,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2023-11-19 07:43:05,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:43:05,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2023-11-19 07:43:05,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2023-11-19 07:43:05,213 INFO L87 Difference]: Start difference. First operand 488 states and 539 transitions. Second operand has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:43:18,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:43:18,251 INFO L93 Difference]: Finished difference Result 494 states and 545 transitions.
[2023-11-19 07:43:18,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2023-11-19 07:43:18,254 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10
[2023-11-19 07:43:18,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:43:18,258 INFO L225 Difference]: With dead ends: 494
[2023-11-19 07:43:18,259 INFO L226 Difference]: Without dead ends: 494
[2023-11-19 07:43:18,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90
[2023-11-19 07:43:18,260 INFO L413 NwaCegarLoop]: 528 mSDtfsCounter, 17 mSDsluCounter, 1326 mSDsCounter, 0 mSdLazyCounter, 802 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 1854 SdHoareTripleChecker+Invalid, 806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 802 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time
[2023-11-19 07:43:18,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 1854 Invalid, 806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 802 Invalid, 0 Unknown, 0 Unchecked, 12.8s Time]
[2023-11-19 07:43:18,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states.
[2023-11-19 07:43:18,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 494.
[2023-11-19 07:43:18,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 282 states have (on average 1.8368794326241136) internal successors, (518), 477 states have internal predecessors, (518), 15 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2023-11-19 07:43:18,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 545 transitions.
[2023-11-19 07:43:18,282 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 545 transitions. Word has length 10
[2023-11-19 07:43:18,283 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:43:18,283 INFO L495 AbstractCegarLoop]: Abstraction has 494 states and 545 transitions.
[2023-11-19 07:43:18,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:43:18,284 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 545 transitions.
[2023-11-19 07:43:18,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2023-11-19 07:43:18,284 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:43:18,285 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:43:18,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/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
[2023-11-19 07:43:18,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/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
[2023-11-19 07:43:18,504 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 196 more)] ===
[2023-11-19 07:43:18,504 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:43:18,504 INFO L85 PathProgramCache]: Analyzing trace with hash -239763898, now seen corresponding path program 1 times
[2023-11-19 07:43:18,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:43:18,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [958498720]
[2023-11-19 07:43:18,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:43:18,506 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
[2023-11-19 07:43:18,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:43:18,508 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/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)
[2023-11-19 07:43:18,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/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
[2023-11-19 07:43:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:43:18,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-11-19 07:43:18,902 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:43:19,131 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:43:19,132 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:43:19,428 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:43:19,429 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:43:19,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [958498720]
[2023-11-19 07:43:19,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [958498720] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:43:19,429 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-11-19 07:43:19,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10
[2023-11-19 07:43:19,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210079054]
[2023-11-19 07:43:19,430 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:43:19,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2023-11-19 07:43:19,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:43:19,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2023-11-19 07:43:19,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90
[2023-11-19 07:43:19,432 INFO L87 Difference]: Start difference. First operand 494 states and 545 transitions. Second operand has 10 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 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)
[2023-11-19 07:43:20,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:43:20,112 INFO L93 Difference]: Finished difference Result 514 states and 565 transitions.
[2023-11-19 07:43:20,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2023-11-19 07:43:20,113 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19
[2023-11-19 07:43:20,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:43:20,117 INFO L225 Difference]: With dead ends: 514
[2023-11-19 07:43:20,118 INFO L226 Difference]: Without dead ends: 514
[2023-11-19 07:43:20,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156
[2023-11-19 07:43:20,119 INFO L413 NwaCegarLoop]: 536 mSDtfsCounter, 15 mSDsluCounter, 3711 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 4247 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2023-11-19 07:43:20,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 4247 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2023-11-19 07:43:20,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states.
[2023-11-19 07:43:20,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 514.
[2023-11-19 07:43:20,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 302 states have (on average 1.781456953642384) internal successors, (538), 497 states have internal predecessors, (538), 15 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2023-11-19 07:43:20,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 565 transitions.
[2023-11-19 07:43:20,143 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 565 transitions. Word has length 19
[2023-11-19 07:43:20,143 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:43:20,143 INFO L495 AbstractCegarLoop]: Abstraction has 514 states and 565 transitions.
[2023-11-19 07:43:20,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 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)
[2023-11-19 07:43:20,144 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 565 transitions.
[2023-11-19 07:43:20,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40
[2023-11-19 07:43:20,145 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:43:20,145 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:43:20,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/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
[2023-11-19 07:43:20,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/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
[2023-11-19 07:43:20,377 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 196 more)] ===
[2023-11-19 07:43:20,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:43:20,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1586441431, now seen corresponding path program 2 times
[2023-11-19 07:43:20,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:43:20,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [679470558]
[2023-11-19 07:43:20,379 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-19 07:43:20,379 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
[2023-11-19 07:43:20,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:43:20,381 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/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)
[2023-11-19 07:43:20,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/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
[2023-11-19 07:43:20,800 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2023-11-19 07:43:20,800 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-19 07:43:20,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-11-19 07:43:20,810 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:43:20,944 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size
[2023-11-19 07:43:20,944 INFO L378 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
[2023-11-19 07:43:21,670 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked.
[2023-11-19 07:43:21,670 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:43:21,671 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:43:21,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [679470558]
[2023-11-19 07:43:21,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [679470558] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:43:21,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:43:21,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2023-11-19 07:43:21,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431860345]
[2023-11-19 07:43:21,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:43:21,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:43:21,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:43:21,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:43:21,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:43:21,673 INFO L87 Difference]: Start difference. First operand 514 states and 565 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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)
[2023-11-19 07:43:23,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:43:23,898 INFO L93 Difference]: Finished difference Result 667 states and 734 transitions.
[2023-11-19 07:43:23,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:43:23,899 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39
[2023-11-19 07:43:23,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:43:23,908 INFO L225 Difference]: With dead ends: 667
[2023-11-19 07:43:23,908 INFO L226 Difference]: Without dead ends: 667
[2023-11-19 07:43:23,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:43:23,911 INFO L413 NwaCegarLoop]: 403 mSDtfsCounter, 490 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time
[2023-11-19 07:43:23,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 525 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time]
[2023-11-19 07:43:23,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states.
[2023-11-19 07:43:23,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 584.
[2023-11-19 07:43:23,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 367 states have (on average 1.8010899182561309) internal successors, (661), 561 states have internal predecessors, (661), 19 states have call successors, (19), 6 states have call predecessors, (19), 5 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2023-11-19 07:43:23,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 696 transitions.
[2023-11-19 07:43:23,943 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 696 transitions. Word has length 39
[2023-11-19 07:43:23,944 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:43:23,944 INFO L495 AbstractCegarLoop]: Abstraction has 584 states and 696 transitions.
[2023-11-19 07:43:23,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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)
[2023-11-19 07:43:23,945 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 696 transitions.
[2023-11-19 07:43:23,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40
[2023-11-19 07:43:23,947 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:43:23,947 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:43:23,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/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)] Forceful destruction successful, exit code 0
[2023-11-19 07:43:24,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/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
[2023-11-19 07:43:24,154 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 196 more)] ===
[2023-11-19 07:43:24,154 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:43:24,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1586441432, now seen corresponding path program 1 times
[2023-11-19 07:43:24,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:43:24,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2064040561]
[2023-11-19 07:43:24,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:43:24,155 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
[2023-11-19 07:43:24,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:43:24,157 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/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)
[2023-11-19 07:43:24,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/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 (8)] Waiting until timeout for monitored process
[2023-11-19 07:43:24,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:43:24,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 10 conjunts are in the unsatisfiable core
[2023-11-19 07:43:24,514 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:43:25,003 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:43:25,003 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:43:25,806 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:43:25,807 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:43:25,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2064040561]
[2023-11-19 07:43:25,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2064040561] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:43:25,807 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-11-19 07:43:25,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20
[2023-11-19 07:43:25,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253614800]
[2023-11-19 07:43:25,807 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:43:25,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states
[2023-11-19 07:43:25,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:43:25,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants.
[2023-11-19 07:43:25,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380
[2023-11-19 07:43:25,809 INFO L87 Difference]: Start difference. First operand 584 states and 696 transitions. Second operand has 20 states, 20 states have (on average 3.65) internal successors, (73), 20 states have internal predecessors, (73), 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)
[2023-11-19 07:43:26,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:43:26,884 INFO L93 Difference]: Finished difference Result 592 states and 704 transitions.
[2023-11-19 07:43:26,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2023-11-19 07:43:26,886 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.65) internal successors, (73), 20 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39
[2023-11-19 07:43:26,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:43:26,891 INFO L225 Difference]: With dead ends: 592
[2023-11-19 07:43:26,891 INFO L226 Difference]: Without dead ends: 592
[2023-11-19 07:43:26,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380
[2023-11-19 07:43:26,893 INFO L413 NwaCegarLoop]: 540 mSDtfsCounter, 9 mSDsluCounter, 4811 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 5351 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:43:26,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 5351 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2023-11-19 07:43:26,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states.
[2023-11-19 07:43:26,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 592.
[2023-11-19 07:43:26,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 375 states have (on average 1.784) internal successors, (669), 569 states have internal predecessors, (669), 19 states have call successors, (19), 6 states have call predecessors, (19), 5 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2023-11-19 07:43:26,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 704 transitions.
[2023-11-19 07:43:26,924 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 704 transitions. Word has length 39
[2023-11-19 07:43:26,925 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:43:26,925 INFO L495 AbstractCegarLoop]: Abstraction has 592 states and 704 transitions.
[2023-11-19 07:43:26,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.65) internal successors, (73), 20 states have internal predecessors, (73), 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)
[2023-11-19 07:43:26,925 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 704 transitions.
[2023-11-19 07:43:26,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2023-11-19 07:43:26,929 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:43:26,929 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:43:26,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/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 (8)] Forceful destruction successful, exit code 0
[2023-11-19 07:43:27,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/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
[2023-11-19 07:43:27,140 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 196 more)] ===
[2023-11-19 07:43:27,140 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:43:27,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1386595438, now seen corresponding path program 2 times
[2023-11-19 07:43:27,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:43:27,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2114540256]
[2023-11-19 07:43:27,141 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-19 07:43:27,142 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
[2023-11-19 07:43:27,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:43:27,143 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/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)
[2023-11-19 07:43:27,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6e5397-da6a-4970-a1a8-3c0a14dcc685/bin/uautomizer-verify-uCwYo4JHxu/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 (9)] Waiting until timeout for monitored process
[2023-11-19 07:43:27,558 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2023-11-19 07:43:27,558 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-19 07:43:27,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 7 conjunts are in the unsatisfiable core
[2023-11-19 07:43:27,571 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:43:27,695 INFO L190 IndexEqualityManager]: detected not equals via solver
[2023-11-19 07:43:27,697 INFO L378 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 14 treesize of output 9
[2023-11-19 07:43:28,962 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked.
[2023-11-19 07:43:28,962 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:43:28,962 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:43:28,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2114540256]
[2023-11-19 07:43:28,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2114540256] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:43:28,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:43:28,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:43:28,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803641848]
[2023-11-19 07:43:28,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:43:28,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:43:28,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:43:28,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:43:28,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:43:28,964 INFO L87 Difference]: Start difference. First operand 592 states and 704 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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)