./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/chl-name-comparator-symm.wvr.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for memory safety (deref-memtrack)
Using default analysis
Version 2329fc70
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_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/chl-name-comparator-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
--witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 908fbcc4d3742ed9abcae99df082df11caf0d6bd4e74389f515555cf6e492354
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-2329fc7
[2022-12-13 08:41:10,973 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-12-13 08:41:10,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-12-13 08:41:10,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-12-13 08:41:10,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-12-13 08:41:10,988 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-12-13 08:41:10,989 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-12-13 08:41:10,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-12-13 08:41:10,991 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-12-13 08:41:10,991 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-12-13 08:41:10,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-12-13 08:41:10,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-12-13 08:41:10,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-12-13 08:41:10,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-12-13 08:41:10,994 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-12-13 08:41:10,995 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-12-13 08:41:10,995 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-12-13 08:41:10,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-12-13 08:41:10,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-12-13 08:41:10,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-12-13 08:41:10,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-12-13 08:41:11,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-12-13 08:41:11,001 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-12-13 08:41:11,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-12-13 08:41:11,003 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-12-13 08:41:11,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-12-13 08:41:11,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-12-13 08:41:11,004 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-12-13 08:41:11,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-12-13 08:41:11,005 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-12-13 08:41:11,005 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-12-13 08:41:11,006 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-12-13 08:41:11,006 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-12-13 08:41:11,007 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-12-13 08:41:11,007 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-12-13 08:41:11,008 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-12-13 08:41:11,008 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-12-13 08:41:11,008 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-12-13 08:41:11,008 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-12-13 08:41:11,009 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-12-13 08:41:11,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-12-13 08:41:11,010 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf
[2022-12-13 08:41:11,023 INFO L113 SettingsManager]: Loading preferences was successful
[2022-12-13 08:41:11,024 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-12-13 08:41:11,024 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-12-13 08:41:11,024 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-12-13 08:41:11,024 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-12-13 08:41:11,025 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-12-13 08:41:11,025 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-12-13 08:41:11,025 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-12-13 08:41:11,025 INFO L138 SettingsManager]: * Use SBE=true
[2022-12-13 08:41:11,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-12-13 08:41:11,025 INFO L138 SettingsManager]: * sizeof long=4
[2022-12-13 08:41:11,025 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2022-12-13 08:41:11,026 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-12-13 08:41:11,026 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-12-13 08:41:11,026 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-12-13 08:41:11,026 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2022-12-13 08:41:11,026 INFO L138 SettingsManager]: * Bitprecise bitfields=true
[2022-12-13 08:41:11,026 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2022-12-13 08:41:11,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-12-13 08:41:11,026 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2022-12-13 08:41:11,026 INFO L138 SettingsManager]: * sizeof long double=12
[2022-12-13 08:41:11,026 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-12-13 08:41:11,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-12-13 08:41:11,027 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-12-13 08:41:11,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-12-13 08:41:11,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-12-13 08:41:11,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-12-13 08:41:11,027 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-12-13 08:41:11,027 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-12-13 08:41:11,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-12-13 08:41:11,027 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2022-12-13 08:41:11,027 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL
[2022-12-13 08:41:11,027 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-12-13 08:41:11,028 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2022-12-13 08:41:11,028 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2022-12-13 08:41:11,028 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 908fbcc4d3742ed9abcae99df082df11caf0d6bd4e74389f515555cf6e492354
[2022-12-13 08:41:11,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-12-13 08:41:11,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-12-13 08:41:11,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-12-13 08:41:11,222 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-12-13 08:41:11,222 INFO L275 PluginConnector]: CDTParser initialized
[2022-12-13 08:41:11,224 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/../../sv-benchmarks/c/weaver/chl-name-comparator-symm.wvr.c
[2022-12-13 08:41:13,917 INFO L500 CDTParser]: Created temporary CDT project at NULL
[2022-12-13 08:41:14,040 INFO L351 CDTParser]: Found 1 translation units.
[2022-12-13 08:41:14,040 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/sv-benchmarks/c/weaver/chl-name-comparator-symm.wvr.c
[2022-12-13 08:41:14,046 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/data/5f47ac67e/7f2f86ddb1054fa2b28357c295f15cba/FLAGaf0c91017
[2022-12-13 08:41:14,059 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/data/5f47ac67e/7f2f86ddb1054fa2b28357c295f15cba
[2022-12-13 08:41:14,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-12-13 08:41:14,063 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-12-13 08:41:14,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-12-13 08:41:14,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-12-13 08:41:14,068 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-12-13 08:41:14,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:41:14" (1/1) ...
[2022-12-13 08:41:14,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e59ef7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:41:14, skipping insertion in model container
[2022-12-13 08:41:14,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:41:14" (1/1) ...
[2022-12-13 08:41:14,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-12-13 08:41:14,088 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-12-13 08:41:14,212 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/sv-benchmarks/c/weaver/chl-name-comparator-symm.wvr.c[3856,3869]
[2022-12-13 08:41:14,220 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-12-13 08:41:14,229 ERROR L326 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)
[2022-12-13 08:41:14,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4e2effd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:41:14, skipping insertion in model container
[2022-12-13 08:41:14,229 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-12-13 08:41:14,229 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner
[2022-12-13 08:41:14,231 INFO L158 Benchmark]: Toolchain (without parser) took 167.00ms. Allocated memory is still 127.9MB. Free memory was 87.0MB in the beginning and 77.0MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-12-13 08:41:14,231 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 127.9MB. Free memory is still 95.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-12-13 08:41:14,231 INFO L158 Benchmark]: CACSL2BoogieTranslator took 164.88ms. Allocated memory is still 127.9MB. Free memory was 87.0MB in the beginning and 77.0MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-12-13 08:41:14,232 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.18ms. Allocated memory is still 127.9MB. Free memory is still 95.9MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 164.88ms. Allocated memory is still 127.9MB. Free memory was 87.0MB in the beginning and 77.0MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- UnsupportedSyntaxResult [Line: 122]: 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_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/chl-name-comparator-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
--witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 908fbcc4d3742ed9abcae99df082df11caf0d6bd4e74389f515555cf6e492354
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-2329fc7
[2022-12-13 08:41:15,729 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-12-13 08:41:15,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-12-13 08:41:15,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-12-13 08:41:15,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-12-13 08:41:15,744 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-12-13 08:41:15,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-12-13 08:41:15,746 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-12-13 08:41:15,747 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-12-13 08:41:15,748 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-12-13 08:41:15,748 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-12-13 08:41:15,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-12-13 08:41:15,749 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-12-13 08:41:15,750 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-12-13 08:41:15,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-12-13 08:41:15,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-12-13 08:41:15,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-12-13 08:41:15,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-12-13 08:41:15,753 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-12-13 08:41:15,754 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-12-13 08:41:15,755 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-12-13 08:41:15,756 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-12-13 08:41:15,757 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-12-13 08:41:15,758 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-12-13 08:41:15,760 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-12-13 08:41:15,761 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-12-13 08:41:15,761 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-12-13 08:41:15,761 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-12-13 08:41:15,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-12-13 08:41:15,762 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-12-13 08:41:15,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-12-13 08:41:15,763 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-12-13 08:41:15,769 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-12-13 08:41:15,770 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-12-13 08:41:15,772 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-12-13 08:41:15,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-12-13 08:41:15,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-12-13 08:41:15,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-12-13 08:41:15,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-12-13 08:41:15,775 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-12-13 08:41:15,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-12-13 08:41:15,777 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf
[2022-12-13 08:41:15,792 INFO L113 SettingsManager]: Loading preferences was successful
[2022-12-13 08:41:15,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-12-13 08:41:15,792 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-12-13 08:41:15,792 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-12-13 08:41:15,793 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-12-13 08:41:15,793 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-12-13 08:41:15,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-12-13 08:41:15,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-12-13 08:41:15,793 INFO L138 SettingsManager]: * Use SBE=true
[2022-12-13 08:41:15,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-12-13 08:41:15,794 INFO L138 SettingsManager]: * sizeof long=4
[2022-12-13 08:41:15,794 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2022-12-13 08:41:15,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-12-13 08:41:15,794 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-12-13 08:41:15,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-12-13 08:41:15,794 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2022-12-13 08:41:15,794 INFO L138 SettingsManager]: * Bitprecise bitfields=true
[2022-12-13 08:41:15,794 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2022-12-13 08:41:15,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-12-13 08:41:15,794 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2022-12-13 08:41:15,795 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true
[2022-12-13 08:41:15,795 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2022-12-13 08:41:15,795 INFO L138 SettingsManager]: * sizeof long double=12
[2022-12-13 08:41:15,795 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-12-13 08:41:15,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-12-13 08:41:15,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-12-13 08:41:15,795 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-12-13 08:41:15,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-12-13 08:41:15,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-12-13 08:41:15,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-12-13 08:41:15,796 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF
[2022-12-13 08:41:15,796 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2022-12-13 08:41:15,796 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2022-12-13 08:41:15,796 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL
[2022-12-13 08:41:15,796 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-12-13 08:41:15,796 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2022-12-13 08:41:15,796 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2022-12-13 08:41:15,796 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2022-12-13 08:41:15,796 INFO L138 SettingsManager]: * Logic for external solver=AUFBV
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 908fbcc4d3742ed9abcae99df082df11caf0d6bd4e74389f515555cf6e492354
[2022-12-13 08:41:15,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-12-13 08:41:16,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-12-13 08:41:16,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-12-13 08:41:16,018 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-12-13 08:41:16,018 INFO L275 PluginConnector]: CDTParser initialized
[2022-12-13 08:41:16,019 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/../../sv-benchmarks/c/weaver/chl-name-comparator-symm.wvr.c
[2022-12-13 08:41:18,577 INFO L500 CDTParser]: Created temporary CDT project at NULL
[2022-12-13 08:41:18,725 INFO L351 CDTParser]: Found 1 translation units.
[2022-12-13 08:41:18,726 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/sv-benchmarks/c/weaver/chl-name-comparator-symm.wvr.c
[2022-12-13 08:41:18,731 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/data/63f8db664/e9b35db89443403798cf2a2ad39c4a3a/FLAG5d80b1b4b
[2022-12-13 08:41:18,744 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/data/63f8db664/e9b35db89443403798cf2a2ad39c4a3a
[2022-12-13 08:41:18,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-12-13 08:41:18,747 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-12-13 08:41:18,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-12-13 08:41:18,748 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-12-13 08:41:18,750 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-12-13 08:41:18,751 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:41:18" (1/1) ...
[2022-12-13 08:41:18,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c4ece90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:41:18, skipping insertion in model container
[2022-12-13 08:41:18,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:41:18" (1/1) ...
[2022-12-13 08:41:18,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-12-13 08:41:18,770 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-12-13 08:41:18,893 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/sv-benchmarks/c/weaver/chl-name-comparator-symm.wvr.c[3856,3869]
[2022-12-13 08:41:18,902 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-12-13 08:41:18,912 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2022-12-13 08:41:18,915 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-12-13 08:41:18,927 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/sv-benchmarks/c/weaver/chl-name-comparator-symm.wvr.c[3856,3869]
[2022-12-13 08:41:18,931 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-12-13 08:41:18,934 INFO L203 MainTranslator]: Completed pre-run
[2022-12-13 08:41:18,952 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/sv-benchmarks/c/weaver/chl-name-comparator-symm.wvr.c[3856,3869]
[2022-12-13 08:41:18,955 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-12-13 08:41:18,967 INFO L208 MainTranslator]: Completed translation
[2022-12-13 08:41:18,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:41:18 WrapperNode
[2022-12-13 08:41:18,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-12-13 08:41:18,969 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-12-13 08:41:18,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-12-13 08:41:18,969 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-12-13 08:41:18,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:41:18" (1/1) ...
[2022-12-13 08:41:18,986 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:41:18" (1/1) ...
[2022-12-13 08:41:19,005 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 14, calls inlined = 16, statements flattened = 201
[2022-12-13 08:41:19,005 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-12-13 08:41:19,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-12-13 08:41:19,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-12-13 08:41:19,006 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-12-13 08:41:19,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:41:18" (1/1) ...
[2022-12-13 08:41:19,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:41:18" (1/1) ...
[2022-12-13 08:41:19,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:41:18" (1/1) ...
[2022-12-13 08:41:19,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:41:18" (1/1) ...
[2022-12-13 08:41:19,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:41:18" (1/1) ...
[2022-12-13 08:41:19,029 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:41:18" (1/1) ...
[2022-12-13 08:41:19,030 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:41:18" (1/1) ...
[2022-12-13 08:41:19,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:41:18" (1/1) ...
[2022-12-13 08:41:19,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-12-13 08:41:19,035 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-12-13 08:41:19,035 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-12-13 08:41:19,035 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-12-13 08:41:19,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:41:18" (1/1) ...
[2022-12-13 08:41:19,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-12-13 08:41:19,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/z3
[2022-12-13 08:41:19,059 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-12-13 08:41:19,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-12-13 08:41:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-12-13 08:41:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2022-12-13 08:41:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-12-13 08:41:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2022-12-13 08:41:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2022-12-13 08:41:19,099 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2022-12-13 08:41:19,100 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2022-12-13 08:41:19,100 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2022-12-13 08:41:19,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2022-12-13 08:41:19,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-12-13 08:41:19,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-12-13 08:41:19,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-12-13 08:41:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2022-12-13 08:41:19,102 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-12-13 08:41:19,194 INFO L235 CfgBuilder]: Building ICFG
[2022-12-13 08:41:19,196 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-12-13 08:41:19,617 INFO L276 CfgBuilder]: Performing block encoding
[2022-12-13 08:41:19,625 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-12-13 08:41:19,626 INFO L300 CfgBuilder]: Removed 3 assume(true) statements.
[2022-12-13 08:41:19,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:41:19 BoogieIcfgContainer
[2022-12-13 08:41:19,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-12-13 08:41:19,630 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-12-13 08:41:19,630 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-12-13 08:41:19,633 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-12-13 08:41:19,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:41:18" (1/3) ...
[2022-12-13 08:41:19,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@642edac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:41:19, skipping insertion in model container
[2022-12-13 08:41:19,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:41:18" (2/3) ...
[2022-12-13 08:41:19,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@642edac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:41:19, skipping insertion in model container
[2022-12-13 08:41:19,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:41:19" (3/3) ...
[2022-12-13 08:41:19,636 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-name-comparator-symm.wvr.c
[2022-12-13 08:41:19,654 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-12-13 08:41:19,654 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations.
[2022-12-13 08:41:19,654 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-12-13 08:41:19,757 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2022-12-13 08:41:19,798 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-12-13 08:41:19,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-12-13 08:41:19,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/z3
[2022-12-13 08:41:19,800 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2022-12-13 08:41:19,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2022-12-13 08:41:19,835 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2022-12-13 08:41:19,843 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork0 ========
[2022-12-13 08:41:19,849 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@754f624c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-12-13 08:41:19,849 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2022-12-13 08:41:20,150 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] ===
[2022-12-13 08:41:20,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 08:41:20,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1640243039, now seen corresponding path program 1 times
[2022-12-13 08:41:20,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 08:41:20,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1397340950]
[2022-12-13 08:41:20,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 08:41:20,168 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
[2022-12-13 08:41:20,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/mathsat
[2022-12-13 08:41:20,201 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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)
[2022-12-13 08:41:20,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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
[2022-12-13 08:41:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 08:41:20,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 1 conjunts are in the unsatisfiable core
[2022-12-13 08:41:20,308 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 08:41:20,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 08:41:20,319 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-12-13 08:41:20,320 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 08:41:20,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1397340950]
[2022-12-13 08:41:20,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1397340950] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 08:41:20,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 08:41:20,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-12-13 08:41:20,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914538836]
[2022-12-13 08:41:20,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 08:41:20,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-12-13 08:41:20,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 08:41:20,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-12-13 08:41:20,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-12-13 08:41:20,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:20,349 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 08:41:20,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 50.0) internal successors, (100), 2 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 08:41:20,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:20,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:20,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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
[2022-12-13 08:41:20,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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
[2022-12-13 08:41:20,592 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] ===
[2022-12-13 08:41:20,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 08:41:20,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1246742353, now seen corresponding path program 1 times
[2022-12-13 08:41:20,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 08:41:20,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1083093508]
[2022-12-13 08:41:20,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 08:41:20,611 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
[2022-12-13 08:41:20,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/mathsat
[2022-12-13 08:41:20,615 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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)
[2022-12-13 08:41:20,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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
[2022-12-13 08:41:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 08:41:20,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 4 conjunts are in the unsatisfiable core
[2022-12-13 08:41:20,832 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 08:41:20,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 08:41:20,897 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-12-13 08:41:20,897 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 08:41:20,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1083093508]
[2022-12-13 08:41:20,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1083093508] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 08:41:20,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 08:41:20,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-12-13 08:41:20,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049876395]
[2022-12-13 08:41:20,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 08:41:20,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-12-13 08:41:20,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 08:41:20,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-12-13 08:41:20,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2022-12-13 08:41:20,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:20,902 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 08:41:20,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 08:41:20,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:20,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:21,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:21,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:41:21,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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)] Ended with exit code 0
[2022-12-13 08:41:21,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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
[2022-12-13 08:41:21,206 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] ===
[2022-12-13 08:41:21,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 08:41:21,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1880011459, now seen corresponding path program 1 times
[2022-12-13 08:41:21,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 08:41:21,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1694363478]
[2022-12-13 08:41:21,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 08:41:21,207 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
[2022-12-13 08:41:21,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/mathsat
[2022-12-13 08:41:21,209 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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)
[2022-12-13 08:41:21,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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
[2022-12-13 08:41:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 08:41:21,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 6 conjunts are in the unsatisfiable core
[2022-12-13 08:41:21,303 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 08:41:21,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 08:41:21,405 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-12-13 08:41:21,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 08:41:21,523 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 08:41:21,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1694363478]
[2022-12-13 08:41:21,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1694363478] provided 0 perfect and 2 imperfect interpolant sequences
[2022-12-13 08:41:21,523 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2022-12-13 08:41:21,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12
[2022-12-13 08:41:21,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197395131]
[2022-12-13 08:41:21,524 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2022-12-13 08:41:21,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2022-12-13 08:41:21,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 08:41:21,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2022-12-13 08:41:21,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132
[2022-12-13 08:41:21,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:21,528 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 08:41:21,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 12 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 08:41:21,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:21,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:41:21,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:21,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:21,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:41:21,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-12-13 08:41:21,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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)] Ended with exit code 0
[2022-12-13 08:41:21,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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
[2022-12-13 08:41:21,983 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] ===
[2022-12-13 08:41:21,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 08:41:21,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1994017259, now seen corresponding path program 2 times
[2022-12-13 08:41:21,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 08:41:21,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1541654712]
[2022-12-13 08:41:21,984 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-12-13 08:41:21,985 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
[2022-12-13 08:41:21,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/mathsat
[2022-12-13 08:41:21,985 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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)
[2022-12-13 08:41:21,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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
[2022-12-13 08:41:22,071 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2022-12-13 08:41:22,072 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-12-13 08:41:22,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 7 conjunts are in the unsatisfiable core
[2022-12-13 08:41:22,080 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 08:41:22,111 INFO L350 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
[2022-12-13 08:41:22,226 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2022-12-13 08:41:22,226 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-12-13 08:41:22,227 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 08:41:22,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1541654712]
[2022-12-13 08:41:22,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1541654712] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 08:41:22,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 08:41:22,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-12-13 08:41:22,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000778449]
[2022-12-13 08:41:22,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 08:41:22,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-12-13 08:41:22,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 08:41:22,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-12-13 08:41:22,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2022-12-13 08:41:22,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:22,230 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 08:41:22,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 17.166666666666668) internal successors, (103), 7 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 08:41:22,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:22,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:41:22,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states.
[2022-12-13 08:41:22,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:22,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:22,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:41:22,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-12-13 08:41:22,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2022-12-13 08:41:22,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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
[2022-12-13 08:41:22,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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
[2022-12-13 08:41:22,607 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] ===
[2022-12-13 08:41:22,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 08:41:22,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1994017260, now seen corresponding path program 1 times
[2022-12-13 08:41:22,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 08:41:22,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1045270044]
[2022-12-13 08:41:22,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 08:41:22,612 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
[2022-12-13 08:41:22,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/mathsat
[2022-12-13 08:41:22,616 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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)
[2022-12-13 08:41:22,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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
[2022-12-13 08:41:22,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 08:41:22,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 15 conjunts are in the unsatisfiable core
[2022-12-13 08:41:22,881 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 08:41:22,917 INFO L350 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
[2022-12-13 08:41:23,200 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2022-12-13 08:41:23,200 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-12-13 08:41:23,200 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 08:41:23,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1045270044]
[2022-12-13 08:41:23,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1045270044] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 08:41:23,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 08:41:23,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2022-12-13 08:41:23,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099374155]
[2022-12-13 08:41:23,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 08:41:23,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2022-12-13 08:41:23,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 08:41:23,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2022-12-13 08:41:23,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90
[2022-12-13 08:41:23,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:23,204 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 08:41:23,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.444444444444445) internal successors, (103), 10 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 08:41:23,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:23,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:41:23,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states.
[2022-12-13 08:41:23,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states.
[2022-12-13 08:41:23,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:23,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:23,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:41:23,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-12-13 08:41:23,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2022-12-13 08:41:23,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2022-12-13 08:41:23,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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)] Ended with exit code 0
[2022-12-13 08:41:23,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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
[2022-12-13 08:41:23,757 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] ===
[2022-12-13 08:41:23,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 08:41:23,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1942060142, now seen corresponding path program 1 times
[2022-12-13 08:41:23,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 08:41:23,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [801562717]
[2022-12-13 08:41:23,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 08:41:23,761 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
[2022-12-13 08:41:23,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/mathsat
[2022-12-13 08:41:23,764 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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)
[2022-12-13 08:41:23,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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
[2022-12-13 08:41:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 08:41:23,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 17 conjunts are in the unsatisfiable core
[2022-12-13 08:41:23,989 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 08:41:24,020 INFO L350 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
[2022-12-13 08:41:24,429 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2022-12-13 08:41:24,430 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-12-13 08:41:25,673 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2022-12-13 08:41:25,673 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 08:41:25,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [801562717]
[2022-12-13 08:41:25,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [801562717] provided 0 perfect and 2 imperfect interpolant sequences
[2022-12-13 08:41:25,673 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2022-12-13 08:41:25,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21
[2022-12-13 08:41:25,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230391234]
[2022-12-13 08:41:25,674 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2022-12-13 08:41:25,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states
[2022-12-13 08:41:25,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 08:41:25,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants.
[2022-12-13 08:41:25,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462
[2022-12-13 08:41:25,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:25,677 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 08:41:25,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 9.238095238095237) internal successors, (194), 22 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 08:41:25,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:25,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:41:25,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states.
[2022-12-13 08:41:25,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states.
[2022-12-13 08:41:25,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states.
[2022-12-13 08:41:25,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:26,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:26,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:41:26,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-12-13 08:41:26,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2022-12-13 08:41:26,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2022-12-13 08:41:26,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states.
[2022-12-13 08:41:26,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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)] Ended with exit code 0
[2022-12-13 08:41:27,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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
[2022-12-13 08:41:27,120 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] ===
[2022-12-13 08:41:27,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 08:41:27,121 INFO L85 PathProgramCache]: Analyzing trace with hash 758169182, now seen corresponding path program 2 times
[2022-12-13 08:41:27,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 08:41:27,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [885801293]
[2022-12-13 08:41:27,123 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-12-13 08:41:27,124 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
[2022-12-13 08:41:27,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/mathsat
[2022-12-13 08:41:27,127 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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)
[2022-12-13 08:41:27,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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
[2022-12-13 08:41:27,314 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-12-13 08:41:27,314 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-12-13 08:41:27,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 24 conjunts are in the unsatisfiable core
[2022-12-13 08:41:27,323 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 08:41:27,350 INFO L350 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
[2022-12-13 08:41:28,031 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 6 proven. 75 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2022-12-13 08:41:28,032 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-12-13 08:41:30,232 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2022-12-13 08:41:30,232 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 08:41:30,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [885801293]
[2022-12-13 08:41:30,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [885801293] provided 0 perfect and 2 imperfect interpolant sequences
[2022-12-13 08:41:30,232 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2022-12-13 08:41:30,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 11] total 28
[2022-12-13 08:41:30,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31643665]
[2022-12-13 08:41:30,233 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2022-12-13 08:41:30,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states
[2022-12-13 08:41:30,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 08:41:30,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants.
[2022-12-13 08:41:30,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=645, Unknown=0, NotChecked=0, Total=756
[2022-12-13 08:41:30,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:30,235 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 08:41:30,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 9.5) internal successors, (266), 28 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 08:41:30,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:30,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:41:30,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states.
[2022-12-13 08:41:30,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states.
[2022-12-13 08:41:30,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states.
[2022-12-13 08:41:30,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states.
[2022-12-13 08:41:30,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:31,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:31,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:41:31,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-12-13 08:41:31,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2022-12-13 08:41:31,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2022-12-13 08:41:31,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states.
[2022-12-13 08:41:31,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states.
[2022-12-13 08:41:31,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 2 remaining)
[2022-12-13 08:41:31,969 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 2 remaining)
[2022-12-13 08:41:31,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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)] Ended with exit code 0
[2022-12-13 08:41:32,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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
[2022-12-13 08:41:32,185 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1]
[2022-12-13 08:41:32,186 INFO L307 ceAbstractionStarter]: Result for error location thread2Thread1of1ForFork0 was SAFE,SAFE (1/3)
[2022-12-13 08:41:32,190 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-12-13 08:41:32,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-12-13 08:41:32,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/z3
[2022-12-13 08:41:32,191 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2022-12-13 08:41:32,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (10)] Waiting until timeout for monitored process
[2022-12-13 08:41:32,194 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2022-12-13 08:41:32,194 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork1 ========
[2022-12-13 08:41:32,194 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@754f624c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-12-13 08:41:32,194 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2022-12-13 08:41:32,284 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] ===
[2022-12-13 08:41:32,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 08:41:32,284 INFO L85 PathProgramCache]: Analyzing trace with hash -129665646, now seen corresponding path program 1 times
[2022-12-13 08:41:32,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 08:41:32,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [675639553]
[2022-12-13 08:41:32,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 08:41:32,285 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
[2022-12-13 08:41:32,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/mathsat
[2022-12-13 08:41:32,286 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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)
[2022-12-13 08:41:32,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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 (11)] Waiting until timeout for monitored process
[2022-12-13 08:41:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 08:41:32,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 1 conjunts are in the unsatisfiable core
[2022-12-13 08:41:32,340 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 08:41:32,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 08:41:32,341 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-12-13 08:41:32,341 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 08:41:32,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [675639553]
[2022-12-13 08:41:32,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [675639553] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 08:41:32,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 08:41:32,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-12-13 08:41:32,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233528763]
[2022-12-13 08:41:32,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 08:41:32,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-12-13 08:41:32,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 08:41:32,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-12-13 08:41:32,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-12-13 08:41:32,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:32,343 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 08:41:32,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 47.0) internal successors, (94), 2 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 08:41:32,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:32,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:32,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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 (11)] Ended with exit code 0
[2022-12-13 08:41:32,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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
[2022-12-13 08:41:32,555 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] ===
[2022-12-13 08:41:32,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 08:41:32,557 INFO L85 PathProgramCache]: Analyzing trace with hash 2062991157, now seen corresponding path program 1 times
[2022-12-13 08:41:32,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 08:41:32,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [346418338]
[2022-12-13 08:41:32,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 08:41:32,560 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
[2022-12-13 08:41:32,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/mathsat
[2022-12-13 08:41:32,563 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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)
[2022-12-13 08:41:32,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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 (12)] Waiting until timeout for monitored process
[2022-12-13 08:41:32,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 08:41:32,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 4 conjunts are in the unsatisfiable core
[2022-12-13 08:41:32,625 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 08:41:32,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 08:41:32,654 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-12-13 08:41:32,654 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 08:41:32,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [346418338]
[2022-12-13 08:41:32,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [346418338] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 08:41:32,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 08:41:32,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-12-13 08:41:32,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125537911]
[2022-12-13 08:41:32,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 08:41:32,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-12-13 08:41:32,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 08:41:32,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-12-13 08:41:32,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2022-12-13 08:41:32,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:32,656 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 08:41:32,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 08:41:32,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:32,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:32,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:32,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:41:32,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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 (12)] Ended with exit code 0
[2022-12-13 08:41:32,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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
[2022-12-13 08:41:32,895 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] ===
[2022-12-13 08:41:32,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 08:41:32,896 INFO L85 PathProgramCache]: Analyzing trace with hash 334452809, now seen corresponding path program 1 times
[2022-12-13 08:41:32,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 08:41:32,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [802691731]
[2022-12-13 08:41:32,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 08:41:32,898 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
[2022-12-13 08:41:32,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/mathsat
[2022-12-13 08:41:32,901 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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)
[2022-12-13 08:41:32,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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 (13)] Waiting until timeout for monitored process
[2022-12-13 08:41:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 08:41:33,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 6 conjunts are in the unsatisfiable core
[2022-12-13 08:41:33,020 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 08:41:33,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 08:41:33,073 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-12-13 08:41:33,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 08:41:33,145 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 08:41:33,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [802691731]
[2022-12-13 08:41:33,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [802691731] provided 0 perfect and 2 imperfect interpolant sequences
[2022-12-13 08:41:33,145 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2022-12-13 08:41:33,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12
[2022-12-13 08:41:33,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116336170]
[2022-12-13 08:41:33,146 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2022-12-13 08:41:33,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2022-12-13 08:41:33,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 08:41:33,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2022-12-13 08:41:33,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132
[2022-12-13 08:41:33,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:33,147 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 08:41:33,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 12 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 08:41:33,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:33,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:41:33,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:33,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:33,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:41:33,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-12-13 08:41:33,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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 (13)] Ended with exit code 0
[2022-12-13 08:41:33,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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
[2022-12-13 08:41:33,498 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] ===
[2022-12-13 08:41:33,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 08:41:33,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1536856719, now seen corresponding path program 2 times
[2022-12-13 08:41:33,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 08:41:33,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [367219496]
[2022-12-13 08:41:33,499 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-12-13 08:41:33,499 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
[2022-12-13 08:41:33,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/mathsat
[2022-12-13 08:41:33,500 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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)
[2022-12-13 08:41:33,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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 (14)] Waiting until timeout for monitored process
[2022-12-13 08:41:33,553 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2022-12-13 08:41:33,554 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-12-13 08:41:33,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 7 conjunts are in the unsatisfiable core
[2022-12-13 08:41:33,558 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 08:41:33,563 INFO L350 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
[2022-12-13 08:41:33,628 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2022-12-13 08:41:33,628 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-12-13 08:41:33,628 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 08:41:33,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [367219496]
[2022-12-13 08:41:33,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [367219496] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 08:41:33,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 08:41:33,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-12-13 08:41:33,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955178440]
[2022-12-13 08:41:33,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 08:41:33,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-12-13 08:41:33,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 08:41:33,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-12-13 08:41:33,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2022-12-13 08:41:33,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:33,630 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 08:41:33,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.166666666666668) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 08:41:33,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:33,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:41:33,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states.
[2022-12-13 08:41:33,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:33,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:33,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:41:33,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-12-13 08:41:33,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2022-12-13 08:41:33,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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 (14)] Ended with exit code 0
[2022-12-13 08:41:33,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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
[2022-12-13 08:41:33,971 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] ===
[2022-12-13 08:41:33,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 08:41:33,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1536856718, now seen corresponding path program 1 times
[2022-12-13 08:41:33,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 08:41:33,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [644151292]
[2022-12-13 08:41:33,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 08:41:33,973 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
[2022-12-13 08:41:33,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/mathsat
[2022-12-13 08:41:33,973 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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)
[2022-12-13 08:41:33,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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 (15)] Waiting until timeout for monitored process
[2022-12-13 08:41:34,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 08:41:34,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 15 conjunts are in the unsatisfiable core
[2022-12-13 08:41:34,051 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 08:41:34,074 INFO L350 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
[2022-12-13 08:41:34,296 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2022-12-13 08:41:34,296 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-12-13 08:41:34,297 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 08:41:34,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [644151292]
[2022-12-13 08:41:34,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [644151292] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 08:41:34,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 08:41:34,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2022-12-13 08:41:34,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246437301]
[2022-12-13 08:41:34,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 08:41:34,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2022-12-13 08:41:34,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 08:41:34,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2022-12-13 08:41:34,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90
[2022-12-13 08:41:34,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:34,299 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 08:41:34,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.777777777777779) internal successors, (97), 10 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 08:41:34,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:34,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:41:34,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states.
[2022-12-13 08:41:34,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states.
[2022-12-13 08:41:34,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:34,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:34,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:41:34,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-12-13 08:41:34,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2022-12-13 08:41:34,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2022-12-13 08:41:34,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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 (15)] Forceful destruction successful, exit code 0
[2022-12-13 08:41:34,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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
[2022-12-13 08:41:34,785 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] ===
[2022-12-13 08:41:34,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 08:41:34,786 INFO L85 PathProgramCache]: Analyzing trace with hash 273654200, now seen corresponding path program 1 times
[2022-12-13 08:41:34,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 08:41:34,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1841464963]
[2022-12-13 08:41:34,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 08:41:34,788 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
[2022-12-13 08:41:34,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/mathsat
[2022-12-13 08:41:34,791 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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)
[2022-12-13 08:41:34,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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 (16)] Waiting until timeout for monitored process
[2022-12-13 08:41:34,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 08:41:34,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 17 conjunts are in the unsatisfiable core
[2022-12-13 08:41:34,903 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 08:41:34,931 INFO L350 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
[2022-12-13 08:41:35,218 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2022-12-13 08:41:35,218 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-12-13 08:41:36,272 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2022-12-13 08:41:36,273 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 08:41:36,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1841464963]
[2022-12-13 08:41:36,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1841464963] provided 0 perfect and 2 imperfect interpolant sequences
[2022-12-13 08:41:36,273 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2022-12-13 08:41:36,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21
[2022-12-13 08:41:36,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839688605]
[2022-12-13 08:41:36,273 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2022-12-13 08:41:36,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states
[2022-12-13 08:41:36,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 08:41:36,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants.
[2022-12-13 08:41:36,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462
[2022-12-13 08:41:36,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:36,274 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 08:41:36,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 8.666666666666666) internal successors, (182), 22 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 08:41:36,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:36,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:41:36,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states.
[2022-12-13 08:41:36,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states.
[2022-12-13 08:41:36,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states.
[2022-12-13 08:41:36,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:37,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:37,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:41:37,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-12-13 08:41:37,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2022-12-13 08:41:37,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2022-12-13 08:41:37,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states.
[2022-12-13 08:41:37,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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 (16)] Forceful destruction successful, exit code 0
[2022-12-13 08:41:37,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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
[2022-12-13 08:41:37,616 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] ===
[2022-12-13 08:41:37,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 08:41:37,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1544578620, now seen corresponding path program 2 times
[2022-12-13 08:41:37,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 08:41:37,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1669207004]
[2022-12-13 08:41:37,619 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-12-13 08:41:37,619 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
[2022-12-13 08:41:37,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/mathsat
[2022-12-13 08:41:37,622 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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)
[2022-12-13 08:41:37,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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 (17)] Waiting until timeout for monitored process
[2022-12-13 08:41:37,793 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-12-13 08:41:37,794 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-12-13 08:41:37,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 24 conjunts are in the unsatisfiable core
[2022-12-13 08:41:37,802 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 08:41:37,823 INFO L350 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
[2022-12-13 08:41:38,404 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 6 proven. 75 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2022-12-13 08:41:38,404 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-12-13 08:41:40,639 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2022-12-13 08:41:40,640 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 08:41:40,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1669207004]
[2022-12-13 08:41:40,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1669207004] provided 0 perfect and 2 imperfect interpolant sequences
[2022-12-13 08:41:40,640 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2022-12-13 08:41:40,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 11] total 28
[2022-12-13 08:41:40,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134343057]
[2022-12-13 08:41:40,640 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2022-12-13 08:41:40,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states
[2022-12-13 08:41:40,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 08:41:40,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants.
[2022-12-13 08:41:40,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=645, Unknown=0, NotChecked=0, Total=756
[2022-12-13 08:41:40,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:40,642 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 08:41:40,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 9.071428571428571) internal successors, (254), 28 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 08:41:40,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:40,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:41:40,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states.
[2022-12-13 08:41:40,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states.
[2022-12-13 08:41:40,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states.
[2022-12-13 08:41:40,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states.
[2022-12-13 08:41:40,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:42,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:42,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:41:42,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-12-13 08:41:42,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2022-12-13 08:41:42,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2022-12-13 08:41:42,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states.
[2022-12-13 08:41:42,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states.
[2022-12-13 08:41:42,439 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 2 remaining)
[2022-12-13 08:41:42,439 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 2 remaining)
[2022-12-13 08:41:42,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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 (17)] Ended with exit code 0
[2022-12-13 08:41:42,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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
[2022-12-13 08:41:42,643 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1]
[2022-12-13 08:41:42,643 INFO L307 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork1 was SAFE,SAFE (2/3)
[2022-12-13 08:41:42,645 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-12-13 08:41:42,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-12-13 08:41:42,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/z3
[2022-12-13 08:41:42,646 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2022-12-13 08:41:42,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (18)] Waiting until timeout for monitored process
[2022-12-13 08:41:42,650 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2022-12-13 08:41:42,650 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2022-12-13 08:41:42,651 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@754f624c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-12-13 08:41:42,651 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations.
[2022-12-13 08:41:42,673 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] ===
[2022-12-13 08:41:42,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 08:41:42,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1527700214, now seen corresponding path program 1 times
[2022-12-13 08:41:42,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 08:41:42,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2116130325]
[2022-12-13 08:41:42,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 08:41:42,674 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
[2022-12-13 08:41:42,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/mathsat
[2022-12-13 08:41:42,675 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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)
[2022-12-13 08:41:42,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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 (19)] Waiting until timeout for monitored process
[2022-12-13 08:41:42,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 08:41:42,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 1 conjunts are in the unsatisfiable core
[2022-12-13 08:41:42,719 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 08:41:42,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 08:41:42,720 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-12-13 08:41:42,720 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 08:41:42,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2116130325]
[2022-12-13 08:41:42,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2116130325] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 08:41:42,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 08:41:42,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-12-13 08:41:42,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456280588]
[2022-12-13 08:41:42,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 08:41:42,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-12-13 08:41:42,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 08:41:42,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-12-13 08:41:42,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-12-13 08:41:42,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:42,722 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 08:41:42,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 08:41:42,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:42,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:42,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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 (19)] Ended with exit code 0
[2022-12-13 08:41:42,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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
[2022-12-13 08:41:42,926 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] ===
[2022-12-13 08:41:42,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 08:41:42,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1690786677, now seen corresponding path program 1 times
[2022-12-13 08:41:42,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 08:41:42,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [893839941]
[2022-12-13 08:41:42,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 08:41:42,929 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
[2022-12-13 08:41:42,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/mathsat
[2022-12-13 08:41:42,932 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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)
[2022-12-13 08:41:42,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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 (20)] Waiting until timeout for monitored process
[2022-12-13 08:41:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 08:41:43,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core
[2022-12-13 08:41:43,008 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 08:41:43,011 INFO L350 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
[2022-12-13 08:41:43,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 08:41:43,022 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-12-13 08:41:43,022 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 08:41:43,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [893839941]
[2022-12-13 08:41:43,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [893839941] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 08:41:43,022 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 08:41:43,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-12-13 08:41:43,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603943127]
[2022-12-13 08:41:43,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 08:41:43,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-12-13 08:41:43,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 08:41:43,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-12-13 08:41:43,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-12-13 08:41:43,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:43,024 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 08:41:43,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 08:41:43,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:43,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:43,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:43,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:41:43,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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 (20)] Ended with exit code 0
[2022-12-13 08:41:43,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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
[2022-12-13 08:41:43,260 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] ===
[2022-12-13 08:41:43,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 08:41:43,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1690786676, now seen corresponding path program 1 times
[2022-12-13 08:41:43,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 08:41:43,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [840200525]
[2022-12-13 08:41:43,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 08:41:43,261 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
[2022-12-13 08:41:43,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/mathsat
[2022-12-13 08:41:43,262 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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)
[2022-12-13 08:41:43,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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 (21)] Waiting until timeout for monitored process
[2022-12-13 08:41:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 08:41:43,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 9 conjunts are in the unsatisfiable core
[2022-12-13 08:41:43,349 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 08:41:43,378 INFO L350 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
[2022-12-13 08:41:43,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 08:41:43,422 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-12-13 08:41:43,422 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 08:41:43,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [840200525]
[2022-12-13 08:41:43,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [840200525] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 08:41:43,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 08:41:43,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-12-13 08:41:43,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436073036]
[2022-12-13 08:41:43,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 08:41:43,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-12-13 08:41:43,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 08:41:43,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-12-13 08:41:43,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2022-12-13 08:41:43,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:43,424 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 08:41:43,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.666666666666666) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 08:41:43,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:43,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:41:43,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:43,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:43,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:41:43,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2022-12-13 08:41:43,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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 (21)] Ended with exit code 0
[2022-12-13 08:41:43,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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
[2022-12-13 08:41:43,744 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] ===
[2022-12-13 08:41:43,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 08:41:43,745 INFO L85 PathProgramCache]: Analyzing trace with hash 469501688, now seen corresponding path program 1 times
[2022-12-13 08:41:43,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 08:41:43,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [242860168]
[2022-12-13 08:41:43,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 08:41:43,747 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
[2022-12-13 08:41:43,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/mathsat
[2022-12-13 08:41:43,750 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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)
[2022-12-13 08:41:43,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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 (22)] Waiting until timeout for monitored process
[2022-12-13 08:41:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 08:41:43,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 11 conjunts are in the unsatisfiable core
[2022-12-13 08:41:43,856 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 08:41:43,882 INFO L350 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
[2022-12-13 08:41:43,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 08:41:43,978 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-12-13 08:41:44,414 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 08:41:44,414 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 08:41:44,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [242860168]
[2022-12-13 08:41:44,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [242860168] provided 0 perfect and 2 imperfect interpolant sequences
[2022-12-13 08:41:44,415 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2022-12-13 08:41:44,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15
[2022-12-13 08:41:44,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688423333]
[2022-12-13 08:41:44,415 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2022-12-13 08:41:44,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2022-12-13 08:41:44,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 08:41:44,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2022-12-13 08:41:44,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240
[2022-12-13 08:41:44,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:44,417 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 08:41:44,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 6.933333333333334) internal successors, (104), 16 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 08:41:44,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:44,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:41:44,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states.
[2022-12-13 08:41:44,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:45,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:45,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:41:45,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2022-12-13 08:41:45,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2022-12-13 08:41:45,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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 (22)] Ended with exit code 0
[2022-12-13 08:41:45,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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
[2022-12-13 08:41:45,247 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] ===
[2022-12-13 08:41:45,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 08:41:45,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1851132112, now seen corresponding path program 2 times
[2022-12-13 08:41:45,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 08:41:45,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1478277899]
[2022-12-13 08:41:45,249 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-12-13 08:41:45,249 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
[2022-12-13 08:41:45,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/mathsat
[2022-12-13 08:41:45,252 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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)
[2022-12-13 08:41:45,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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 (23)] Waiting until timeout for monitored process
[2022-12-13 08:41:45,384 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-12-13 08:41:45,384 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-12-13 08:41:45,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 16 conjunts are in the unsatisfiable core
[2022-12-13 08:41:45,389 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 08:41:45,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7
[2022-12-13 08:41:45,689 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 08:41:45,689 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-12-13 08:41:47,177 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 08:41:47,177 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 08:41:47,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1478277899]
[2022-12-13 08:41:47,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1478277899] provided 0 perfect and 2 imperfect interpolant sequences
[2022-12-13 08:41:47,177 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2022-12-13 08:41:47,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 25
[2022-12-13 08:41:47,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076955936]
[2022-12-13 08:41:47,178 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2022-12-13 08:41:47,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states
[2022-12-13 08:41:47,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 08:41:47,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants.
[2022-12-13 08:41:47,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=477, Unknown=0, NotChecked=0, Total=600
[2022-12-13 08:41:47,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:47,179 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 08:41:47,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 5.12) internal successors, (128), 25 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 08:41:47,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:47,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:41:47,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states.
[2022-12-13 08:41:47,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2022-12-13 08:41:47,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:48,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:48,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:41:48,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2022-12-13 08:41:48,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2022-12-13 08:41:48,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states.
[2022-12-13 08:41:48,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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 (23)] Ended with exit code 0
[2022-12-13 08:41:48,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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
[2022-12-13 08:41:48,961 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] ===
[2022-12-13 08:41:48,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 08:41:48,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1694153267, now seen corresponding path program 1 times
[2022-12-13 08:41:48,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 08:41:48,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1237223034]
[2022-12-13 08:41:48,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 08:41:48,965 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
[2022-12-13 08:41:48,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/mathsat
[2022-12-13 08:41:48,968 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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)
[2022-12-13 08:41:48,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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 (24)] Waiting until timeout for monitored process
[2022-12-13 08:41:49,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 08:41:49,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 5 conjunts are in the unsatisfiable core
[2022-12-13 08:41:49,098 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 08:41:49,149 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2022-12-13 08:41:49,149 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-12-13 08:41:49,149 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 08:41:49,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1237223034]
[2022-12-13 08:41:49,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1237223034] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 08:41:49,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 08:41:49,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-12-13 08:41:49,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875570073]
[2022-12-13 08:41:49,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 08:41:49,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-12-13 08:41:49,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 08:41:49,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-12-13 08:41:49,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2022-12-13 08:41:49,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:49,150 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 08:41:49,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.833333333333332) internal successors, (185), 6 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 08:41:49,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:49,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:41:49,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states.
[2022-12-13 08:41:49,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2022-12-13 08:41:49,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states.
[2022-12-13 08:41:49,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:49,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:49,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:41:49,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2022-12-13 08:41:49,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2022-12-13 08:41:49,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states.
[2022-12-13 08:41:49,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-12-13 08:41:49,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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 (24)] Forceful destruction successful, exit code 0
[2022-12-13 08:41:49,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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
[2022-12-13 08:41:49,496 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] ===
[2022-12-13 08:41:49,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 08:41:49,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1148469561, now seen corresponding path program 1 times
[2022-12-13 08:41:49,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 08:41:49,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2062563479]
[2022-12-13 08:41:49,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 08:41:49,499 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
[2022-12-13 08:41:49,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/mathsat
[2022-12-13 08:41:49,501 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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)
[2022-12-13 08:41:49,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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 (25)] Waiting until timeout for monitored process
[2022-12-13 08:41:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 08:41:49,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 7 conjunts are in the unsatisfiable core
[2022-12-13 08:41:49,682 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 08:41:49,774 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2022-12-13 08:41:49,774 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-12-13 08:41:49,869 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2022-12-13 08:41:49,869 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 08:41:49,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2062563479]
[2022-12-13 08:41:49,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2062563479] provided 0 perfect and 2 imperfect interpolant sequences
[2022-12-13 08:41:49,870 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2022-12-13 08:41:49,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13
[2022-12-13 08:41:49,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733734126]
[2022-12-13 08:41:49,870 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2022-12-13 08:41:49,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2022-12-13 08:41:49,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 08:41:49,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2022-12-13 08:41:49,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156
[2022-12-13 08:41:49,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:49,872 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 08:41:49,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 17.846153846153847) internal successors, (232), 13 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 08:41:49,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:49,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:41:49,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states.
[2022-12-13 08:41:49,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2022-12-13 08:41:49,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states.
[2022-12-13 08:41:49,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2022-12-13 08:41:49,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:50,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:50,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:41:50,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2022-12-13 08:41:50,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2022-12-13 08:41:50,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states.
[2022-12-13 08:41:50,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-12-13 08:41:50,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2022-12-13 08:41:50,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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 (25)] Ended with exit code 0
[2022-12-13 08:41:50,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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
[2022-12-13 08:41:50,327 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] ===
[2022-12-13 08:41:50,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 08:41:50,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1867952443, now seen corresponding path program 2 times
[2022-12-13 08:41:50,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 08:41:50,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [915416444]
[2022-12-13 08:41:50,330 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-12-13 08:41:50,331 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
[2022-12-13 08:41:50,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/mathsat
[2022-12-13 08:41:50,333 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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)
[2022-12-13 08:41:50,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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 (26)] Waiting until timeout for monitored process
[2022-12-13 08:41:50,647 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2022-12-13 08:41:50,647 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-12-13 08:41:50,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 5 conjunts are in the unsatisfiable core
[2022-12-13 08:41:50,653 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 08:41:50,705 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked.
[2022-12-13 08:41:50,705 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-12-13 08:41:50,706 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 08:41:50,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [915416444]
[2022-12-13 08:41:50,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [915416444] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 08:41:50,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 08:41:50,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-12-13 08:41:50,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833668558]
[2022-12-13 08:41:50,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 08:41:50,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-12-13 08:41:50,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 08:41:50,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-12-13 08:41:50,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2022-12-13 08:41:50,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:50,707 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 08:41:50,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 33.833333333333336) internal successors, (203), 6 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 08:41:50,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:50,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:41:50,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states.
[2022-12-13 08:41:50,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2022-12-13 08:41:50,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states.
[2022-12-13 08:41:50,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2022-12-13 08:41:50,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2022-12-13 08:41:50,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:50,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:50,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:41:50,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2022-12-13 08:41:50,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2022-12-13 08:41:50,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states.
[2022-12-13 08:41:50,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-12-13 08:41:50,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2022-12-13 08:41:50,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-12-13 08:41:50,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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 (26)] Ended with exit code 0
[2022-12-13 08:41:51,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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
[2022-12-13 08:41:51,078 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] ===
[2022-12-13 08:41:51,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 08:41:51,079 INFO L85 PathProgramCache]: Analyzing trace with hash -68550367, now seen corresponding path program 1 times
[2022-12-13 08:41:51,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 08:41:51,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [551363264]
[2022-12-13 08:41:51,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 08:41:51,081 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
[2022-12-13 08:41:51,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/mathsat
[2022-12-13 08:41:51,084 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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)
[2022-12-13 08:41:51,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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 (27)] Waiting until timeout for monitored process
[2022-12-13 08:41:51,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 08:41:51,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 7 conjunts are in the unsatisfiable core
[2022-12-13 08:41:51,309 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 08:41:51,409 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked.
[2022-12-13 08:41:51,409 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-12-13 08:41:51,538 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked.
[2022-12-13 08:41:51,538 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 08:41:51,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [551363264]
[2022-12-13 08:41:51,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [551363264] provided 0 perfect and 2 imperfect interpolant sequences
[2022-12-13 08:41:51,538 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2022-12-13 08:41:51,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13
[2022-12-13 08:41:51,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614143123]
[2022-12-13 08:41:51,538 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2022-12-13 08:41:51,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2022-12-13 08:41:51,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 08:41:51,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2022-12-13 08:41:51,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156
[2022-12-13 08:41:51,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:51,539 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 08:41:51,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 19.23076923076923) internal successors, (250), 13 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 08:41:51,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:51,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:41:51,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states.
[2022-12-13 08:41:51,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2022-12-13 08:41:51,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states.
[2022-12-13 08:41:51,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2022-12-13 08:41:51,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2022-12-13 08:41:51,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2022-12-13 08:41:51,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:52,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:52,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:41:52,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2022-12-13 08:41:52,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2022-12-13 08:41:52,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states.
[2022-12-13 08:41:52,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-12-13 08:41:52,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2022-12-13 08:41:52,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-12-13 08:41:52,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states.
[2022-12-13 08:41:52,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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 (27)] Ended with exit code 0
[2022-12-13 08:41:52,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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
[2022-12-13 08:41:52,226 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] ===
[2022-12-13 08:41:52,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 08:41:52,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1998272621, now seen corresponding path program 2 times
[2022-12-13 08:41:52,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 08:41:52,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2079741516]
[2022-12-13 08:41:52,229 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-12-13 08:41:52,229 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
[2022-12-13 08:41:52,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/mathsat
[2022-12-13 08:41:52,232 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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)
[2022-12-13 08:41:52,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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 (28)] Waiting until timeout for monitored process
[2022-12-13 08:41:52,533 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2022-12-13 08:41:52,533 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-12-13 08:41:52,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 28 conjunts are in the unsatisfiable core
[2022-12-13 08:41:52,541 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 08:41:57,628 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked.
[2022-12-13 08:41:57,629 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-12-13 08:41:57,629 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 08:41:57,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2079741516]
[2022-12-13 08:41:57,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2079741516] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 08:41:57,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 08:41:57,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26
[2022-12-13 08:41:57,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438407335]
[2022-12-13 08:41:57,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 08:41:57,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states
[2022-12-13 08:41:57,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 08:41:57,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants.
[2022-12-13 08:41:57,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650
[2022-12-13 08:41:57,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:57,632 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 08:41:57,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 8.5) internal successors, (221), 26 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 08:41:57,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:41:57,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:41:57,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states.
[2022-12-13 08:41:57,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2022-12-13 08:41:57,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states.
[2022-12-13 08:41:57,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2022-12-13 08:41:57,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2022-12-13 08:41:57,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2022-12-13 08:41:57,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states.
[2022-12-13 08:41:57,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:42:27,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:42:27,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:42:27,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2022-12-13 08:42:27,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2022-12-13 08:42:27,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states.
[2022-12-13 08:42:27,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-12-13 08:42:27,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2022-12-13 08:42:27,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-12-13 08:42:27,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states.
[2022-12-13 08:42:27,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states.
[2022-12-13 08:42:27,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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 (28)] Forceful destruction successful, exit code 0
[2022-12-13 08:42:28,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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
[2022-12-13 08:42:28,192 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] ===
[2022-12-13 08:42:28,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 08:42:28,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1154002497, now seen corresponding path program 1 times
[2022-12-13 08:42:28,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 08:42:28,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1264276229]
[2022-12-13 08:42:28,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 08:42:28,195 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
[2022-12-13 08:42:28,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/mathsat
[2022-12-13 08:42:28,198 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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)
[2022-12-13 08:42:28,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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 (29)] Waiting until timeout for monitored process
[2022-12-13 08:42:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 08:42:28,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 32 conjunts are in the unsatisfiable core
[2022-12-13 08:42:28,445 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 08:42:30,667 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-12-13 08:42:30,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 102 treesize of output 30
[2022-12-13 08:42:31,679 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-12-13 08:42:31,679 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-12-13 08:42:43,234 INFO L321 Elim1Store]: treesize reduction 156, result has 3.1 percent of original size
[2022-12-13 08:42:43,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 74 treesize of output 21
[2022-12-13 08:42:43,677 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2022-12-13 08:42:43,677 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 08:42:43,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1264276229]
[2022-12-13 08:42:43,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1264276229] provided 0 perfect and 2 imperfect interpolant sequences
[2022-12-13 08:42:43,678 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2022-12-13 08:42:43,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 24] total 46
[2022-12-13 08:42:43,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247289590]
[2022-12-13 08:42:43,678 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2022-12-13 08:42:43,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states
[2022-12-13 08:42:43,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 08:42:43,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants.
[2022-12-13 08:42:43,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=1900, Unknown=4, NotChecked=0, Total=2070
[2022-12-13 08:42:43,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:42:43,681 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 08:42:43,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 8.76086956521739) internal successors, (403), 46 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 08:42:43,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:42:43,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:42:43,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states.
[2022-12-13 08:42:43,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2022-12-13 08:42:43,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states.
[2022-12-13 08:42:43,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2022-12-13 08:42:43,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2022-12-13 08:42:43,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2022-12-13 08:42:43,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states.
[2022-12-13 08:42:43,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states.
[2022-12-13 08:42:43,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:43:03,177 WARN L233 SmtUtils]: Spent 7.70s on a formula simplification. DAG size of input: 65 DAG size of output: 56 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2022-12-13 08:43:16,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:43:16,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:43:16,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2022-12-13 08:43:16,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2022-12-13 08:43:16,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states.
[2022-12-13 08:43:16,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-12-13 08:43:16,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2022-12-13 08:43:16,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-12-13 08:43:16,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states.
[2022-12-13 08:43:16,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states.
[2022-12-13 08:43:16,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states.
[2022-12-13 08:43:16,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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 (29)] Ended with exit code 0
[2022-12-13 08:43:16,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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
[2022-12-13 08:43:16,377 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] ===
[2022-12-13 08:43:16,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 08:43:16,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1051916781, now seen corresponding path program 2 times
[2022-12-13 08:43:16,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 08:43:16,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [944362949]
[2022-12-13 08:43:16,380 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-12-13 08:43:16,380 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
[2022-12-13 08:43:16,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/mathsat
[2022-12-13 08:43:16,383 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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)
[2022-12-13 08:43:16,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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 (30)] Waiting until timeout for monitored process
[2022-12-13 08:43:16,663 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-12-13 08:43:16,663 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-12-13 08:43:16,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 10 conjunts are in the unsatisfiable core
[2022-12-13 08:43:16,683 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 08:43:16,786 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 37 proven. 75 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked.
[2022-12-13 08:43:16,786 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-12-13 08:43:17,046 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 37 proven. 75 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked.
[2022-12-13 08:43:17,047 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 08:43:17,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [944362949]
[2022-12-13 08:43:17,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [944362949] provided 0 perfect and 2 imperfect interpolant sequences
[2022-12-13 08:43:17,047 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2022-12-13 08:43:17,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 18
[2022-12-13 08:43:17,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055208094]
[2022-12-13 08:43:17,047 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2022-12-13 08:43:17,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states
[2022-12-13 08:43:17,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 08:43:17,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2022-12-13 08:43:17,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306
[2022-12-13 08:43:17,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:43:17,050 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 08:43:17,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 17.555555555555557) internal successors, (316), 18 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 08:43:17,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:43:17,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:43:17,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states.
[2022-12-13 08:43:17,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2022-12-13 08:43:17,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states.
[2022-12-13 08:43:17,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2022-12-13 08:43:17,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2022-12-13 08:43:17,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2022-12-13 08:43:17,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states.
[2022-12-13 08:43:17,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states.
[2022-12-13 08:43:17,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states.
[2022-12-13 08:43:17,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:43:33,842 WARN L233 SmtUtils]: Spent 8.11s on a formula simplification. DAG size of input: 72 DAG size of output: 58 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2022-12-13 08:43:57,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2022-12-13 08:43:57,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:43:57,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:43:57,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2022-12-13 08:43:57,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2022-12-13 08:43:57,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states.
[2022-12-13 08:43:57,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-12-13 08:43:57,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2022-12-13 08:43:57,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-12-13 08:43:57,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states.
[2022-12-13 08:43:57,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states.
[2022-12-13 08:43:57,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states.
[2022-12-13 08:43:57,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states.
[2022-12-13 08:43:57,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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 (30)] Ended with exit code 0
[2022-12-13 08:43:57,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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
[2022-12-13 08:43:57,552 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] ===
[2022-12-13 08:43:57,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 08:43:57,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1821636813, now seen corresponding path program 3 times
[2022-12-13 08:43:57,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 08:43:57,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [49423794]
[2022-12-13 08:43:57,555 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-12-13 08:43:57,556 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
[2022-12-13 08:43:57,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/mathsat
[2022-12-13 08:43:57,557 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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)
[2022-12-13 08:43:57,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7920105-77bf-40d7-8a44-1ad0991c2f44/bin/ugemcutter-rbreBovr8w/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 (31)] Waiting until timeout for monitored process
[2022-12-13 08:43:57,880 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2022-12-13 08:43:57,880 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-12-13 08:43:57,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 49 conjunts are in the unsatisfiable core
[2022-12-13 08:43:57,895 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 08:43:57,917 INFO L350 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
[2022-12-13 08:44:17,662 INFO L190 IndexEqualityManager]: detected not equals via solver
[2022-12-13 08:44:17,664 INFO L190 IndexEqualityManager]: detected not equals via solver
[2022-12-13 08:44:17,666 INFO L190 IndexEqualityManager]: detected not equals via solver
[2022-12-13 08:44:17,675 INFO L190 IndexEqualityManager]: detected not equals via solver
[2022-12-13 08:44:17,677 INFO L190 IndexEqualityManager]: detected not equals via solver
[2022-12-13 08:44:17,679 INFO L190 IndexEqualityManager]: detected not equals via solver
[2022-12-13 08:44:17,682 INFO L190 IndexEqualityManager]: detected not equals via solver
[2022-12-13 08:44:17,684 INFO L190 IndexEqualityManager]: detected not equals via solver
[2022-12-13 08:44:17,686 INFO L190 IndexEqualityManager]: detected not equals via solver
[2022-12-13 08:44:17,687 INFO L190 IndexEqualityManager]: detected not equals via solver
[2022-12-13 08:44:17,690 INFO L190 IndexEqualityManager]: detected not equals via solver
[2022-12-13 08:44:17,695 INFO L190 IndexEqualityManager]: detected not equals via solver
[2022-12-13 08:44:17,697 INFO L190 IndexEqualityManager]: detected not equals via solver
[2022-12-13 08:44:17,698 INFO L190 IndexEqualityManager]: detected not equals via solver
[2022-12-13 08:44:17,701 INFO L190 IndexEqualityManager]: detected not equals via solver
[2022-12-13 08:44:17,706 INFO L190 IndexEqualityManager]: detected not equals via solver
[2022-12-13 08:44:17,707 INFO L190 IndexEqualityManager]: detected not equals via solver
[2022-12-13 08:44:17,709 INFO L190 IndexEqualityManager]: detected not equals via solver
[2022-12-13 08:44:17,712 INFO L190 IndexEqualityManager]: detected not equals via solver
[2022-12-13 08:44:17,714 INFO L190 IndexEqualityManager]: detected not equals via solver
[2022-12-13 08:44:17,716 INFO L190 IndexEqualityManager]: detected not equals via solver
[2022-12-13 08:44:17,717 INFO L190 IndexEqualityManager]: detected not equals via solver
[2022-12-13 08:44:17,720 INFO L190 IndexEqualityManager]: detected not equals via solver
[2022-12-13 08:44:17,724 INFO L190 IndexEqualityManager]: detected not equals via solver
[2022-12-13 08:44:17,783 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-12-13 08:44:17,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 58 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 8 case distinctions, treesize of input 208 treesize of output 162
[2022-12-13 08:44:17,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16
[2022-12-13 08:44:24,094 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 134 proven. 51 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked.
[2022-12-13 08:44:24,095 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-12-13 08:45:32,908 INFO L173 IndexEqualityManager]: detected equality via solver
[2022-12-13 08:45:32,909 INFO L173 IndexEqualityManager]: detected equality via solver
[2022-12-13 08:45:32,910 INFO L173 IndexEqualityManager]: detected equality via solver
[2022-12-13 08:45:32,915 INFO L173 IndexEqualityManager]: detected equality via solver
[2022-12-13 08:45:32,916 INFO L173 IndexEqualityManager]: detected equality via solver
[2022-12-13 08:45:32,917 INFO L173 IndexEqualityManager]: detected equality via solver
[2022-12-13 08:45:32,918 INFO L173 IndexEqualityManager]: detected equality via solver
[2022-12-13 08:45:32,919 INFO L173 IndexEqualityManager]: detected equality via solver
[2022-12-13 08:45:32,920 INFO L173 IndexEqualityManager]: detected equality via solver
[2022-12-13 08:45:32,922 INFO L173 IndexEqualityManager]: detected equality via solver
[2022-12-13 08:45:32,923 INFO L173 IndexEqualityManager]: detected equality via solver
[2022-12-13 08:45:32,933 INFO L173 IndexEqualityManager]: detected equality via solver
[2022-12-13 08:45:32,934 INFO L173 IndexEqualityManager]: detected equality via solver
[2022-12-13 08:45:32,935 INFO L173 IndexEqualityManager]: detected equality via solver
[2022-12-13 08:45:32,937 INFO L173 IndexEqualityManager]: detected equality via solver
[2022-12-13 08:45:32,938 INFO L173 IndexEqualityManager]: detected equality via solver
[2022-12-13 08:45:32,939 INFO L173 IndexEqualityManager]: detected equality via solver
[2022-12-13 08:45:32,945 INFO L173 IndexEqualityManager]: detected equality via solver
[2022-12-13 08:45:32,946 INFO L173 IndexEqualityManager]: detected equality via solver
[2022-12-13 08:45:32,947 INFO L173 IndexEqualityManager]: detected equality via solver
[2022-12-13 08:45:32,949 INFO L173 IndexEqualityManager]: detected equality via solver
[2022-12-13 08:45:32,949 INFO L173 IndexEqualityManager]: detected equality via solver
[2022-12-13 08:45:32,963 INFO L173 IndexEqualityManager]: detected equality via solver
[2022-12-13 08:45:32,964 INFO L173 IndexEqualityManager]: detected equality via solver
[2022-12-13 08:45:33,034 INFO L321 Elim1Store]: treesize reduction 88, result has 16.2 percent of original size
[2022-12-13 08:45:33,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 58 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 8 case distinctions, treesize of input 174 treesize of output 47
[2022-12-13 08:46:15,869 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 0 proven. 185 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked.
[2022-12-13 08:46:15,869 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 08:46:15,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [49423794]
[2022-12-13 08:46:15,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [49423794] provided 0 perfect and 2 imperfect interpolant sequences
[2022-12-13 08:46:15,869 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2022-12-13 08:46:15,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41] total 79
[2022-12-13 08:46:15,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692374663]
[2022-12-13 08:46:15,869 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2022-12-13 08:46:15,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 79 states
[2022-12-13 08:46:15,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 08:46:15,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants.
[2022-12-13 08:46:15,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=602, Invalid=5546, Unknown=14, NotChecked=0, Total=6162
[2022-12-13 08:46:15,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:46:15,872 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 08:46:15,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 5.658227848101266) internal successors, (447), 79 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 08:46:15,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:46:15,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2022-12-13 08:46:15,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states.
[2022-12-13 08:46:15,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2022-12-13 08:46:15,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states.
[2022-12-13 08:46:15,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2022-12-13 08:46:15,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2022-12-13 08:46:15,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2022-12-13 08:46:15,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states.
[2022-12-13 08:46:15,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states.
[2022-12-13 08:46:15,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states.
[2022-12-13 08:46:15,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states.
[2022-12-13 08:46:15,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 08:46:52,848 WARN L233 SmtUtils]: Spent 34.57s on a formula simplification. DAG size of input: 97 DAG size of output: 96 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2022-12-13 08:46:54,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1]
[2022-12-13 08:47:19,960 WARN L233 SmtUtils]: Spent 23.27s on a formula simplification. DAG size of input: 90 DAG size of output: 90 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2022-12-13 08:47:35,822 WARN L233 SmtUtils]: Spent 5.10s on a formula simplification. DAG size of input: 108 DAG size of output: 107 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2022-12-13 08:48:01,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2022-12-13 08:48:40,834 WARN L233 SmtUtils]: Spent 15.57s on a formula simplification. DAG size of input: 172 DAG size of output: 165 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2022-12-13 08:48:51,305 WARN L233 SmtUtils]: Spent 8.02s on a formula simplification. DAG size of input: 170 DAG size of output: 149 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2022-12-13 08:49:02,033 WARN L233 SmtUtils]: Spent 6.86s on a formula simplification that was a NOOP. DAG size: 103 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2022-12-13 08:49:22,535 WARN L233 SmtUtils]: Spent 19.06s on a formula simplification. DAG size of input: 113 DAG size of output: 112 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2022-12-13 08:49:55,641 WARN L233 SmtUtils]: Spent 31.78s on a formula simplification. DAG size of input: 117 DAG size of output: 109 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2022-12-13 08:50:26,621 WARN L233 SmtUtils]: Spent 29.47s on a formula simplification. DAG size of input: 117 DAG size of output: 108 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2022-12-13 08:51:02,830 WARN L233 SmtUtils]: Spent 32.86s on a formula simplification. DAG size of input: 181 DAG size of output: 166 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2022-12-13 08:51:30,864 WARN L233 SmtUtils]: Spent 26.94s on a formula simplification. DAG size of input: 151 DAG size of output: 113 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2022-12-13 08:52:14,668 WARN L233 SmtUtils]: Spent 38.72s on a formula simplification. DAG size of input: 107 DAG size of output: 100 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2022-12-13 08:52:38,579 WARN L233 SmtUtils]: Spent 23.16s on a formula simplification. DAG size of input: 95 DAG size of output: 92 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2022-12-13 08:53:21,070 WARN L233 SmtUtils]: Spent 39.47s on a formula simplification. DAG size of input: 141 DAG size of output: 106 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2022-12-13 08:53:47,495 WARN L233 SmtUtils]: Spent 24.11s on a formula simplification. DAG size of input: 129 DAG size of output: 98 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2022-12-13 08:53:49,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2022-12-13 08:53:51,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2022-12-13 08:53:53,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2022-12-13 08:54:18,320 WARN L233 SmtUtils]: Spent 23.54s on a formula simplification. DAG size of input: 131 DAG size of output: 100 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2022-12-13 08:54:19,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2022-12-13 08:54:45,067 WARN L233 SmtUtils]: Spent 23.76s on a formula simplification. DAG size of input: 152 DAG size of output: 119 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2022-12-13 08:55:10,992 WARN L233 SmtUtils]: Spent 23.61s on a formula simplification. DAG size of input: 135 DAG size of output: 104 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2022-12-13 08:55:35,299 WARN L233 SmtUtils]: Spent 23.43s on a formula simplification. DAG size of input: 107 DAG size of output: 104 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2022-12-13 08:55:59,399 WARN L233 SmtUtils]: Spent 23.32s on a formula simplification. DAG size of input: 101 DAG size of output: 98 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)