./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for memory safety (deref-memtrack)
Using default analysis
Version 2329fc70
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/bin/ugemcutter-rbreBovr8w/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/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_8a264980-4da9-4b66-ab3a-e8375c771aea/bin/ugemcutter-rbreBovr8w/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/bin/ugemcutter-rbreBovr8w/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/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_8a264980-4da9-4b66-ab3a-e8375c771aea/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 ceb4cfb737a49cea9ea1be451c16ebb29f48ae611a8c94fc546ca2e3471f0eb3
--- 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 07:00:42,598 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-12-13 07:00:42,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-12-13 07:00:42,612 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-12-13 07:00:42,612 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-12-13 07:00:42,613 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-12-13 07:00:42,614 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-12-13 07:00:42,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-12-13 07:00:42,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-12-13 07:00:42,616 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-12-13 07:00:42,617 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-12-13 07:00:42,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-12-13 07:00:42,618 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-12-13 07:00:42,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-12-13 07:00:42,619 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-12-13 07:00:42,620 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-12-13 07:00:42,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-12-13 07:00:42,621 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-12-13 07:00:42,622 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-12-13 07:00:42,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-12-13 07:00:42,624 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-12-13 07:00:42,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-12-13 07:00:42,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-12-13 07:00:42,626 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-12-13 07:00:42,628 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-12-13 07:00:42,628 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-12-13 07:00:42,628 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-12-13 07:00:42,629 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-12-13 07:00:42,629 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-12-13 07:00:42,629 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-12-13 07:00:42,630 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-12-13 07:00:42,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-12-13 07:00:42,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-12-13 07:00:42,631 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-12-13 07:00:42,632 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-12-13 07:00:42,632 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-12-13 07:00:42,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-12-13 07:00:42,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-12-13 07:00:42,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-12-13 07:00:42,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-12-13 07:00:42,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-12-13 07:00:42,634 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/bin/ugemcutter-rbreBovr8w/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf
[2022-12-13 07:00:42,655 INFO L113 SettingsManager]: Loading preferences was successful
[2022-12-13 07:00:42,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-12-13 07:00:42,666 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-12-13 07:00:42,666 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-12-13 07:00:42,666 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-12-13 07:00:42,667 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-12-13 07:00:42,667 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-12-13 07:00:42,667 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-12-13 07:00:42,668 INFO L138 SettingsManager]: * Use SBE=true
[2022-12-13 07:00:42,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-12-13 07:00:42,668 INFO L138 SettingsManager]: * sizeof long=4
[2022-12-13 07:00:42,668 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2022-12-13 07:00:42,668 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-12-13 07:00:42,668 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-12-13 07:00:42,668 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-12-13 07:00:42,669 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2022-12-13 07:00:42,669 INFO L138 SettingsManager]: * Bitprecise bitfields=true
[2022-12-13 07:00:42,669 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2022-12-13 07:00:42,669 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-12-13 07:00:42,669 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2022-12-13 07:00:42,669 INFO L138 SettingsManager]: * sizeof long double=12
[2022-12-13 07:00:42,670 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-12-13 07:00:42,670 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-12-13 07:00:42,670 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-12-13 07:00:42,670 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-12-13 07:00:42,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-12-13 07:00:42,670 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-12-13 07:00:42,671 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-12-13 07:00:42,671 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-12-13 07:00:42,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-12-13 07:00:42,671 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2022-12-13 07:00:42,671 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL
[2022-12-13 07:00:42,671 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-12-13 07:00:42,671 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2022-12-13 07:00:42,672 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2022-12-13 07:00:42,672 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_8a264980-4da9-4b66-ab3a-e8375c771aea/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/bin/ugemcutter-rbreBovr8w
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ceb4cfb737a49cea9ea1be451c16ebb29f48ae611a8c94fc546ca2e3471f0eb3
[2022-12-13 07:00:42,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-12-13 07:00:42,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-12-13 07:00:42,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-12-13 07:00:42,849 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-12-13 07:00:42,850 INFO L275 PluginConnector]: CDTParser initialized
[2022-12-13 07:00:42,851 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/bin/ugemcutter-rbreBovr8w/../../sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c
[2022-12-13 07:00:45,466 INFO L500 CDTParser]: Created temporary CDT project at NULL
[2022-12-13 07:00:45,609 INFO L351 CDTParser]: Found 1 translation units.
[2022-12-13 07:00:45,610 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c
[2022-12-13 07:00:45,615 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/bin/ugemcutter-rbreBovr8w/data/a94084e41/877830aff4894c6995a1e5784c99a1e8/FLAGd58786b8c
[2022-12-13 07:00:45,626 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/bin/ugemcutter-rbreBovr8w/data/a94084e41/877830aff4894c6995a1e5784c99a1e8
[2022-12-13 07:00:45,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-12-13 07:00:45,629 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-12-13 07:00:45,630 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-12-13 07:00:45,630 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-12-13 07:00:45,633 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-12-13 07:00:45,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:00:45" (1/1) ...
[2022-12-13 07:00:45,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f5c45b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:00:45, skipping insertion in model container
[2022-12-13 07:00:45,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:00:45" (1/1) ...
[2022-12-13 07:00:45,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-12-13 07:00:45,652 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-12-13 07:00:45,760 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-13 07:00:45,762 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-13 07:00:45,764 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-13 07:00:45,765 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-13 07:00:45,766 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-13 07:00:45,767 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-13 07:00:45,772 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_8a264980-4da9-4b66-ab3a-e8375c771aea/sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c[2586,2599]
[2022-12-13 07:00:45,781 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-12-13 07:00:45,789 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 07:00:45,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7c11398c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:00:45, skipping insertion in model container
[2022-12-13 07:00:45,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-12-13 07:00:45,790 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner
[2022-12-13 07:00:45,791 INFO L158 Benchmark]: Toolchain (without parser) took 161.94ms. Allocated memory is still 125.8MB. Free memory was 92.7MB in the beginning and 82.6MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-12-13 07:00:45,791 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 125.8MB. Free memory is still 93.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-12-13 07:00:45,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 160.40ms. Allocated memory is still 125.8MB. Free memory was 92.4MB in the beginning and 82.6MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-12-13 07:00:45,793 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.14ms. Allocated memory is still 125.8MB. Free memory is still 93.9MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 160.40ms. Allocated memory is still 125.8MB. Free memory was 92.4MB in the beginning and 82.6MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- UnsupportedSyntaxResult [Line: 109]: Unsupported Syntax
Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/bin/ugemcutter-rbreBovr8w/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/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_8a264980-4da9-4b66-ab3a-e8375c771aea/bin/ugemcutter-rbreBovr8w/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/bin/ugemcutter-rbreBovr8w/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/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_8a264980-4da9-4b66-ab3a-e8375c771aea/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 ceb4cfb737a49cea9ea1be451c16ebb29f48ae611a8c94fc546ca2e3471f0eb3
--- 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 07:00:47,217 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-12-13 07:00:47,218 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-12-13 07:00:47,237 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-12-13 07:00:47,238 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-12-13 07:00:47,239 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-12-13 07:00:47,240 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-12-13 07:00:47,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-12-13 07:00:47,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-12-13 07:00:47,244 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-12-13 07:00:47,245 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-12-13 07:00:47,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-12-13 07:00:47,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-12-13 07:00:47,247 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-12-13 07:00:47,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-12-13 07:00:47,249 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-12-13 07:00:47,250 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-12-13 07:00:47,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-12-13 07:00:47,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-12-13 07:00:47,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-12-13 07:00:47,255 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-12-13 07:00:47,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-12-13 07:00:47,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-12-13 07:00:47,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-12-13 07:00:47,259 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-12-13 07:00:47,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-12-13 07:00:47,259 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-12-13 07:00:47,260 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-12-13 07:00:47,260 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-12-13 07:00:47,261 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-12-13 07:00:47,261 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-12-13 07:00:47,261 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-12-13 07:00:47,262 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-12-13 07:00:47,262 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-12-13 07:00:47,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-12-13 07:00:47,263 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-12-13 07:00:47,264 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-12-13 07:00:47,264 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-12-13 07:00:47,264 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-12-13 07:00:47,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-12-13 07:00:47,265 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-12-13 07:00:47,265 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/bin/ugemcutter-rbreBovr8w/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf
[2022-12-13 07:00:47,292 INFO L113 SettingsManager]: Loading preferences was successful
[2022-12-13 07:00:47,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-12-13 07:00:47,292 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-12-13 07:00:47,292 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-12-13 07:00:47,293 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-12-13 07:00:47,293 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-12-13 07:00:47,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-12-13 07:00:47,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-12-13 07:00:47,294 INFO L138 SettingsManager]: * Use SBE=true
[2022-12-13 07:00:47,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-12-13 07:00:47,294 INFO L138 SettingsManager]: * sizeof long=4
[2022-12-13 07:00:47,295 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2022-12-13 07:00:47,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-12-13 07:00:47,295 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-12-13 07:00:47,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-12-13 07:00:47,295 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2022-12-13 07:00:47,295 INFO L138 SettingsManager]: * Bitprecise bitfields=true
[2022-12-13 07:00:47,296 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2022-12-13 07:00:47,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-12-13 07:00:47,296 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2022-12-13 07:00:47,296 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true
[2022-12-13 07:00:47,296 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2022-12-13 07:00:47,296 INFO L138 SettingsManager]: * sizeof long double=12
[2022-12-13 07:00:47,296 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-12-13 07:00:47,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-12-13 07:00:47,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-12-13 07:00:47,297 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-12-13 07:00:47,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-12-13 07:00:47,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-12-13 07:00:47,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-12-13 07:00:47,298 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF
[2022-12-13 07:00:47,298 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2022-12-13 07:00:47,298 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2022-12-13 07:00:47,298 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL
[2022-12-13 07:00:47,298 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-12-13 07:00:47,298 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2022-12-13 07:00:47,299 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2022-12-13 07:00:47,299 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2022-12-13 07:00:47,299 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_8a264980-4da9-4b66-ab3a-e8375c771aea/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/bin/ugemcutter-rbreBovr8w
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ceb4cfb737a49cea9ea1be451c16ebb29f48ae611a8c94fc546ca2e3471f0eb3
[2022-12-13 07:00:47,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-12-13 07:00:47,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-12-13 07:00:47,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-12-13 07:00:47,560 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-12-13 07:00:47,560 INFO L275 PluginConnector]: CDTParser initialized
[2022-12-13 07:00:47,561 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/bin/ugemcutter-rbreBovr8w/../../sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c
[2022-12-13 07:00:50,092 INFO L500 CDTParser]: Created temporary CDT project at NULL
[2022-12-13 07:00:50,250 INFO L351 CDTParser]: Found 1 translation units.
[2022-12-13 07:00:50,251 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c
[2022-12-13 07:00:50,256 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/bin/ugemcutter-rbreBovr8w/data/cd4db2348/beb36f7921894ca7a0eab9d8d027de64/FLAG004136512
[2022-12-13 07:00:50,269 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/bin/ugemcutter-rbreBovr8w/data/cd4db2348/beb36f7921894ca7a0eab9d8d027de64
[2022-12-13 07:00:50,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-12-13 07:00:50,272 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-12-13 07:00:50,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-12-13 07:00:50,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-12-13 07:00:50,276 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-12-13 07:00:50,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:00:50" (1/1) ...
[2022-12-13 07:00:50,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1df04ec1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:00:50, skipping insertion in model container
[2022-12-13 07:00:50,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:00:50" (1/1) ...
[2022-12-13 07:00:50,284 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-12-13 07:00:50,301 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-12-13 07:00:50,424 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-13 07:00:50,426 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-13 07:00:50,429 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-13 07:00:50,431 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-13 07:00:50,432 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-13 07:00:50,433 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-13 07:00:50,441 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_8a264980-4da9-4b66-ab3a-e8375c771aea/sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c[2586,2599]
[2022-12-13 07:00:50,451 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-12-13 07:00:50,461 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2022-12-13 07:00:50,465 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-12-13 07:00:50,471 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-13 07:00:50,472 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-13 07:00:50,473 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-13 07:00:50,474 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-13 07:00:50,476 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-13 07:00:50,477 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-13 07:00:50,482 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_8a264980-4da9-4b66-ab3a-e8375c771aea/sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c[2586,2599]
[2022-12-13 07:00:50,486 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-12-13 07:00:50,491 INFO L203 MainTranslator]: Completed pre-run
[2022-12-13 07:00:50,503 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-13 07:00:50,505 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-13 07:00:50,506 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-13 07:00:50,507 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-13 07:00:50,508 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-13 07:00:50,509 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-13 07:00:50,514 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_8a264980-4da9-4b66-ab3a-e8375c771aea/sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c[2586,2599]
[2022-12-13 07:00:50,517 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-12-13 07:00:50,531 INFO L208 MainTranslator]: Completed translation
[2022-12-13 07:00:50,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:00:50 WrapperNode
[2022-12-13 07:00:50,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-12-13 07:00:50,533 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-12-13 07:00:50,533 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-12-13 07:00:50,533 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-12-13 07:00:50,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:00:50" (1/1) ...
[2022-12-13 07:00:50,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:00:50" (1/1) ...
[2022-12-13 07:00:50,569 INFO L138 Inliner]: procedures = 26, calls = 43, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 99
[2022-12-13 07:00:50,569 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-12-13 07:00:50,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-12-13 07:00:50,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-12-13 07:00:50,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-12-13 07:00:50,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:00:50" (1/1) ...
[2022-12-13 07:00:50,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:00:50" (1/1) ...
[2022-12-13 07:00:50,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:00:50" (1/1) ...
[2022-12-13 07:00:50,582 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:00:50" (1/1) ...
[2022-12-13 07:00:50,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:00:50" (1/1) ...
[2022-12-13 07:00:50,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:00:50" (1/1) ...
[2022-12-13 07:00:50,596 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:00:50" (1/1) ...
[2022-12-13 07:00:50,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:00:50" (1/1) ...
[2022-12-13 07:00:50,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-12-13 07:00:50,602 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-12-13 07:00:50,602 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-12-13 07:00:50,602 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-12-13 07:00:50,603 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:00:50" (1/1) ...
[2022-12-13 07:00:50,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-12-13 07:00:50,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/bin/ugemcutter-rbreBovr8w/z3
[2022-12-13 07:00:50,635 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-12-13 07:00:50,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-12-13 07:00:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-12-13 07:00:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2022-12-13 07:00:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-12-13 07:00:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2022-12-13 07:00:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2022-12-13 07:00:50,672 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2022-12-13 07:00:50,672 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2022-12-13 07:00:50,672 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2022-12-13 07:00:50,672 INFO L130 BoogieDeclarations]: Found specification of procedure thread3
[2022-12-13 07:00:50,672 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3
[2022-12-13 07:00:50,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2022-12-13 07:00:50,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2022-12-13 07:00:50,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2022-12-13 07:00:50,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-12-13 07:00:50,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-12-13 07:00:50,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-12-13 07:00:50,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2022-12-13 07:00:50,674 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 07:00:50,763 INFO L235 CfgBuilder]: Building ICFG
[2022-12-13 07:00:50,765 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-12-13 07:00:51,179 INFO L276 CfgBuilder]: Performing block encoding
[2022-12-13 07:00:51,257 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-12-13 07:00:51,258 INFO L300 CfgBuilder]: Removed 4 assume(true) statements.
[2022-12-13 07:00:51,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:00:51 BoogieIcfgContainer
[2022-12-13 07:00:51,260 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-12-13 07:00:51,261 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-12-13 07:00:51,261 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-12-13 07:00:51,263 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-12-13 07:00:51,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 07:00:50" (1/3) ...
[2022-12-13 07:00:51,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6654d7cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:00:51, skipping insertion in model container
[2022-12-13 07:00:51,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:00:50" (2/3) ...
[2022-12-13 07:00:51,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6654d7cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:00:51, skipping insertion in model container
[2022-12-13 07:00:51,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:00:51" (3/3) ...
[2022-12-13 07:00:51,265 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-min-array-hom.wvr.c
[2022-12-13 07:00:51,278 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-12-13 07:00:51,279 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations.
[2022-12-13 07:00:51,279 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-12-13 07:00:51,335 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2022-12-13 07:00:51,370 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-12-13 07:00:51,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-12-13 07:00:51,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/bin/ugemcutter-rbreBovr8w/z3
[2022-12-13 07:00:51,371 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2022-12-13 07:00:51,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2022-12-13 07:00:51,409 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2022-12-13 07:00:51,418 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork0 ========
[2022-12-13 07:00:51,422 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;@2f6a9eb9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-12-13 07:00:51,422 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2022-12-13 07:00:51,629 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1 more)] ===
[2022-12-13 07:00:51,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 07:00:51,633 INFO L85 PathProgramCache]: Analyzing trace with hash -880895794, now seen corresponding path program 1 times
[2022-12-13 07:00:51,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 07:00:51,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [683339246]
[2022-12-13 07:00:51,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 07:00:51,643 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 07:00:51,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/bin/ugemcutter-rbreBovr8w/mathsat
[2022-12-13 07:00:51,665 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/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 07:00:51,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/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 07:00:51,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 07:00:51,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 1 conjunts are in the unsatisfiable core
[2022-12-13 07:00:51,770 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 07:00:51,784 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 07:00:51,785 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-12-13 07:00:51,785 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 07:00:51,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [683339246]
[2022-12-13 07:00:51,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [683339246] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 07:00:51,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 07:00:51,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-12-13 07:00:51,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602687682]
[2022-12-13 07:00:51,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 07:00:51,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-12-13 07:00:51,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 07:00:51,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-12-13 07:00:51,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-12-13 07:00:51,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 07:00:51,818 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 07:00:51,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 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 07:00:51,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 07:00:51,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 07:00:51,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/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 07:00:52,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/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 07:00:52,058 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1 more)] ===
[2022-12-13 07:00:52,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 07:00:52,061 INFO L85 PathProgramCache]: Analyzing trace with hash -2027526501, now seen corresponding path program 1 times
[2022-12-13 07:00:52,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 07:00:52,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1840483608]
[2022-12-13 07:00:52,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 07:00:52,063 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 07:00:52,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/bin/ugemcutter-rbreBovr8w/mathsat
[2022-12-13 07:00:52,067 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/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 07:00:52,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/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 07:00:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 07:00:52,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 7 conjunts are in the unsatisfiable core
[2022-12-13 07:00:52,259 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 07:00:52,291 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 07:00:52,393 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 07:00:52,393 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-12-13 07:00:52,393 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 07:00:52,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1840483608]
[2022-12-13 07:00:52,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1840483608] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 07:00:52,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 07:00:52,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-12-13 07:00:52,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4712709]
[2022-12-13 07:00:52,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 07:00:52,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-12-13 07:00:52,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 07:00:52,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-12-13 07:00:52,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2022-12-13 07:00:52,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 07:00:52,398 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 07:00:52,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.0) internal successors, (72), 7 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 07:00:52,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 07:00:52,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 07:00:52,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 07:00:52,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2022-12-13 07:00:52,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/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 07:00:52,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/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 07:00:52,832 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1 more)] ===
[2022-12-13 07:00:52,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 07:00:52,833 INFO L85 PathProgramCache]: Analyzing trace with hash -2027526500, now seen corresponding path program 1 times
[2022-12-13 07:00:52,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 07:00:52,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1627420227]
[2022-12-13 07:00:52,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 07:00:52,835 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 07:00:52,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/bin/ugemcutter-rbreBovr8w/mathsat
[2022-12-13 07:00:52,837 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/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 07:00:52,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/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 07:00:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 07:00:53,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 24 conjunts are in the unsatisfiable core
[2022-12-13 07:00:53,039 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 07:00:53,289 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 07:00:56,033 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 07:00:56,033 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-12-13 07:00:56,033 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 07:00:56,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1627420227]
[2022-12-13 07:00:56,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1627420227] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 07:00:56,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 07:00:56,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18
[2022-12-13 07:00:56,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53581502]
[2022-12-13 07:00:56,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 07:00:56,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-12-13 07:00:56,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 07:00:56,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-12-13 07:00:56,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342
[2022-12-13 07:00:56,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 07:00:56,036 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 07:00:56,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 4.0) internal successors, (72), 19 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 07:00:56,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 07:00:56,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states.
[2022-12-13 07:00:56,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 07:00:58,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 07:00:58,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2022-12-13 07:00:58,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states.
[2022-12-13 07:00:58,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/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 07:00:58,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/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 07:00:58,881 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1 more)] ===
[2022-12-13 07:00:58,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 07:00:58,882 INFO L85 PathProgramCache]: Analyzing trace with hash 982547736, now seen corresponding path program 1 times
[2022-12-13 07:00:58,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 07:00:58,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1801853637]
[2022-12-13 07:00:58,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 07:00:58,885 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 07:00:58,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/bin/ugemcutter-rbreBovr8w/mathsat
[2022-12-13 07:00:58,888 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/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 07:00:58,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/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 07:00:58,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 07:00:58,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 27 conjunts are in the unsatisfiable core
[2022-12-13 07:00:58,974 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 07:00:59,195 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 07:01:01,123 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 07:01:01,123 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-12-13 07:01:04,281 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 07:01:04,281 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 07:01:04,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1801853637]
[2022-12-13 07:01:04,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1801853637] provided 0 perfect and 2 imperfect interpolant sequences
[2022-12-13 07:01:04,282 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2022-12-13 07:01:04,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20] total 40
[2022-12-13 07:01:04,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146847453]
[2022-12-13 07:01:04,282 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2022-12-13 07:01:04,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states
[2022-12-13 07:01:04,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 07:01:04,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants.
[2022-12-13 07:01:04,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=1480, Unknown=0, NotChecked=0, Total=1640
[2022-12-13 07:01:04,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 07:01:04,284 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 07:01:04,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 3.175) internal successors, (127), 41 states have internal predecessors, (127), 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 07:01:04,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 07:01:04,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states.
[2022-12-13 07:01:04,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states.
[2022-12-13 07:01:04,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 07:01:15,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 07:01:15,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2022-12-13 07:01:15,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states.
[2022-12-13 07:01:15,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states.
[2022-12-13 07:01:15,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/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 07:01:16,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/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 07:01:16,076 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1 more)] ===
[2022-12-13 07:01:16,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 07:01:16,077 INFO L85 PathProgramCache]: Analyzing trace with hash 883572632, now seen corresponding path program 2 times
[2022-12-13 07:01:16,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 07:01:16,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1440525212]
[2022-12-13 07:01:16,079 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-12-13 07:01:16,079 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 07:01:16,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/bin/ugemcutter-rbreBovr8w/mathsat
[2022-12-13 07:01:16,080 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/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 07:01:16,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/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 07:01:16,157 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2022-12-13 07:01:16,157 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-12-13 07:01:16,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 13 conjunts are in the unsatisfiable core
[2022-12-13 07:01:16,162 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 07:01:16,432 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 07:01:16,432 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-12-13 07:01:16,433 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 07:01:16,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1440525212]
[2022-12-13 07:01:16,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1440525212] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 07:01:16,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 07:01:16,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2022-12-13 07:01:16,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772898928]
[2022-12-13 07:01:16,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 07:01:16,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2022-12-13 07:01:16,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 07:01:16,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2022-12-13 07:01:16,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182
[2022-12-13 07:01:16,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 07:01:16,436 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 07:01:16,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.428571428571429) internal successors, (76), 14 states have internal predecessors, (76), 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 07:01:16,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 07:01:16,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states.
[2022-12-13 07:01:16,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states.
[2022-12-13 07:01:16,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states.
[2022-12-13 07:01:16,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 07:01:16,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 07:01:16,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2022-12-13 07:01:16,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states.
[2022-12-13 07:01:16,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states.
[2022-12-13 07:01:16,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2022-12-13 07:01:16,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/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 07:01:17,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/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 07:01:17,157 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1 more)] ===
[2022-12-13 07:01:17,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 07:01:17,158 INFO L85 PathProgramCache]: Analyzing trace with hash -209310081, now seen corresponding path program 1 times
[2022-12-13 07:01:17,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 07:01:17,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1752954117]
[2022-12-13 07:01:17,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 07:01:17,159 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 07:01:17,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/bin/ugemcutter-rbreBovr8w/mathsat
[2022-12-13 07:01:17,160 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/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 07:01:17,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/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 07:01:17,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 07:01:17,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 34 conjunts are in the unsatisfiable core
[2022-12-13 07:01:17,262 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 07:01:17,459 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 07:01:19,740 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-12-13 07:01:19,743 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-12-13 07:01:26,219 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-12-13 07:01:26,220 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 07:01:26,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1752954117]
[2022-12-13 07:01:26,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1752954117] provided 0 perfect and 2 imperfect interpolant sequences
[2022-12-13 07:01:26,220 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2022-12-13 07:01:26,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 27] total 54
[2022-12-13 07:01:26,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204003380]
[2022-12-13 07:01:26,220 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2022-12-13 07:01:26,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states
[2022-12-13 07:01:26,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 07:01:26,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants.
[2022-12-13 07:01:26,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=287, Invalid=2683, Unknown=0, NotChecked=0, Total=2970
[2022-12-13 07:01:26,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 07:01:26,224 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 07:01:26,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 54 states have (on average 2.9444444444444446) internal successors, (159), 55 states have internal predecessors, (159), 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 07:01:26,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 07:01:26,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states.
[2022-12-13 07:01:26,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states.
[2022-12-13 07:01:26,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states.
[2022-12-13 07:01:26,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states.
[2022-12-13 07:01:26,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 07:01:58,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 07:01:58,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2022-12-13 07:01:58,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states.
[2022-12-13 07:01:58,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states.
[2022-12-13 07:01:58,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2022-12-13 07:01:58,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states.
[2022-12-13 07:01:58,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/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 07:01:58,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/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 07:01:58,308 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1 more)] ===
[2022-12-13 07:01:58,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 07:01:58,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1695603199, now seen corresponding path program 2 times
[2022-12-13 07:01:58,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 07:01:58,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [970413731]
[2022-12-13 07:01:58,312 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-12-13 07:01:58,312 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 07:01:58,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/bin/ugemcutter-rbreBovr8w/mathsat
[2022-12-13 07:01:58,314 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/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 07:01:58,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/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 07:01:58,437 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-12-13 07:01:58,437 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-12-13 07:01:58,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 39 conjunts are in the unsatisfiable core
[2022-12-13 07:01:58,447 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 07:01:58,615 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 07:02:04,920 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-12-13 07:02:04,921 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-12-13 07:02:14,169 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-12-13 07:02:14,169 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 07:02:14,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [970413731]
[2022-12-13 07:02:14,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [970413731] provided 0 perfect and 2 imperfect interpolant sequences
[2022-12-13 07:02:14,169 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2022-12-13 07:02:14,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 32] total 64
[2022-12-13 07:02:14,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052683096]
[2022-12-13 07:02:14,170 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2022-12-13 07:02:14,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states
[2022-12-13 07:02:14,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 07:02:14,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants.
[2022-12-13 07:02:14,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=366, Invalid=3794, Unknown=0, NotChecked=0, Total=4160
[2022-12-13 07:02:14,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 07:02:14,172 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 07:02:14,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 64 states have (on average 3.109375) internal successors, (199), 65 states have internal predecessors, (199), 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 07:02:14,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 07:02:14,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states.
[2022-12-13 07:02:14,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states.
[2022-12-13 07:02:14,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states.
[2022-12-13 07:02:14,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states.
[2022-12-13 07:02:14,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states.
[2022-12-13 07:02:14,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 07:02:50,707 WARN L233 SmtUtils]: Spent 6.42s on a formula simplification. DAG size of input: 198 DAG size of output: 142 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2022-12-13 07:03:08,062 WARN L233 SmtUtils]: Spent 5.49s on a formula simplification. DAG size of input: 184 DAG size of output: 132 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2022-12-13 07:06:05,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 07:06:05,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2022-12-13 07:06:05,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states.
[2022-12-13 07:06:05,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states.
[2022-12-13 07:06:05,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2022-12-13 07:06:05,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states.
[2022-12-13 07:06:05,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states.
[2022-12-13 07:06:05,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/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 07:06:06,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/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 07:06:06,155 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1 more)] ===
[2022-12-13 07:06:06,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 07:06:06,156 INFO L85 PathProgramCache]: Analyzing trace with hash 309063935, now seen corresponding path program 3 times
[2022-12-13 07:06:06,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 07:06:06,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [3837370]
[2022-12-13 07:06:06,159 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-12-13 07:06:06,159 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 07:06:06,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/bin/ugemcutter-rbreBovr8w/mathsat
[2022-12-13 07:06:06,161 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/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 07:06:06,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/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 (10)] Waiting until timeout for monitored process
[2022-12-13 07:06:06,256 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2022-12-13 07:06:06,256 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-12-13 07:06:06,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 17 conjunts are in the unsatisfiable core
[2022-12-13 07:06:06,262 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 07:06:06,860 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked.
[2022-12-13 07:06:06,861 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-12-13 07:06:07,973 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked.
[2022-12-13 07:06:07,973 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 07:06:07,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [3837370]
[2022-12-13 07:06:07,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [3837370] provided 0 perfect and 2 imperfect interpolant sequences
[2022-12-13 07:06:07,974 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2022-12-13 07:06:07,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17] total 34
[2022-12-13 07:06:07,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034536582]
[2022-12-13 07:06:07,974 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2022-12-13 07:06:07,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states
[2022-12-13 07:06:07,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 07:06:07,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants.
[2022-12-13 07:06:07,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=929, Unknown=0, NotChecked=0, Total=1122
[2022-12-13 07:06:07,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 07:06:07,977 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 07:06:07,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 3.911764705882353) internal successors, (133), 34 states have internal predecessors, (133), 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 07:06:07,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 07:06:07,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states.
[2022-12-13 07:06:07,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states.
[2022-12-13 07:06:07,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states.
[2022-12-13 07:06:07,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states.
[2022-12-13 07:06:07,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states.
[2022-12-13 07:06:07,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states.
[2022-12-13 07:06:07,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 07:06:09,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 07:06:09,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2022-12-13 07:06:09,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states.
[2022-12-13 07:06:09,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states.
[2022-12-13 07:06:09,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2022-12-13 07:06:09,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states.
[2022-12-13 07:06:09,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states.
[2022-12-13 07:06:09,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states.
[2022-12-13 07:06:09,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/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 (10)] Ended with exit code 0
[2022-12-13 07:06:09,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/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 07:06:09,881 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1 more)] ===
[2022-12-13 07:06:09,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 07:06:09,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1529547302, now seen corresponding path program 4 times
[2022-12-13 07:06:09,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 07:06:09,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1785070929]
[2022-12-13 07:06:09,883 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2022-12-13 07:06:09,883 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 07:06:09,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/bin/ugemcutter-rbreBovr8w/mathsat
[2022-12-13 07:06:09,884 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/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 07:06:09,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a264980-4da9-4b66-ab3a-e8375c771aea/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 07:06:10,027 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2022-12-13 07:06:10,027 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-12-13 07:06:10,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 64 conjunts are in the unsatisfiable core
[2022-12-13 07:06:10,042 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 07:06:10,282 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 07:06:21,392 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 0 proven. 555 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2022-12-13 07:06:21,392 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-12-13 07:07:19,940 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 0 proven. 555 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2022-12-13 07:07:19,940 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 07:07:19,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1785070929]
[2022-12-13 07:07:19,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1785070929] provided 0 perfect and 2 imperfect interpolant sequences
[2022-12-13 07:07:19,940 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2022-12-13 07:07:19,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 57] total 114
[2022-12-13 07:07:19,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519429727]
[2022-12-13 07:07:19,942 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2022-12-13 07:07:19,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 115 states
[2022-12-13 07:07:19,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 07:07:19,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants.
[2022-12-13 07:07:19,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1343, Invalid=11767, Unknown=0, NotChecked=0, Total=13110
[2022-12-13 07:07:19,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 07:07:19,947 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 07:07:19,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 114 states have (on average 2.4473684210526314) internal successors, (279), 115 states have internal predecessors, (279), 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 07:07:19,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 07:07:19,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states.
[2022-12-13 07:07:19,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states.
[2022-12-13 07:07:19,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states.
[2022-12-13 07:07:19,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states.
[2022-12-13 07:07:19,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states.
[2022-12-13 07:07:19,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states.
[2022-12-13 07:07:19,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states.
[2022-12-13 07:07:19,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-12-13 07:08:50,568 WARN L233 SmtUtils]: Spent 27.66s on a formula simplification. DAG size of input: 224 DAG size of output: 149 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2022-12-13 07:10:01,657 WARN L233 SmtUtils]: Spent 1.04m on a formula simplification. DAG size of input: 340 DAG size of output: 226 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2022-12-13 07:10:33,858 WARN L233 SmtUtils]: Spent 27.92s on a formula simplification. DAG size of input: 215 DAG size of output: 138 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2022-12-13 07:10:57,634 WARN L233 SmtUtils]: Spent 19.52s on a formula simplification. DAG size of input: 211 DAG size of output: 134 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2022-12-13 07:12:03,615 WARN L233 SmtUtils]: Spent 57.63s on a formula simplification. DAG size of input: 326 DAG size of output: 216 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2022-12-13 07:13:19,858 WARN L233 SmtUtils]: Spent 1.06m on a formula simplification. DAG size of input: 322 DAG size of output: 217 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2022-12-13 07:13:57,486 WARN L233 SmtUtils]: Spent 25.07s on a formula simplification. DAG size of input: 205 DAG size of output: 134 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2022-12-13 07:14:23,828 WARN L233 SmtUtils]: Spent 18.22s on a formula simplification. DAG size of input: 201 DAG size of output: 130 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2022-12-13 07:15:20,754 WARN L233 SmtUtils]: Spent 46.61s on a formula simplification. DAG size of input: 308 DAG size of output: 204 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)