./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH --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 c0b350b5c7953744a22c8334b20c4dc8efdff09f1ecb36de8b1744d1e20f0260 --- 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-38b53e6 [2022-11-25 18:52:45,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:52:45,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:52:45,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:52:45,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:52:45,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:52:45,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:52:45,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:52:45,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:52:45,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:52:45,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:52:45,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:52:45,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:52:45,219 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:52:45,221 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:52:45,224 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:52:45,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:52:45,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:52:45,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:52:45,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:52:45,241 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:52:45,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:52:45,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:52:45,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:52:45,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:52:45,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:52:45,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:52:45,263 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:52:45,264 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:52:45,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:52:45,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:52:45,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:52:45,271 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:52:45,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:52:45,275 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:52:45,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:52:45,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:52:45,277 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:52:45,277 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:52:45,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:52:45,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:52:45,281 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2022-11-25 18:52:45,332 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:52:45,333 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:52:45,334 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:52:45,334 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:52:45,335 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:52:45,335 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:52:45,336 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:52:45,336 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:52:45,337 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:52:45,337 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:52:45,338 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 18:52:45,339 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:52:45,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:52:45,339 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 18:52:45,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:52:45,339 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 18:52:45,340 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 18:52:45,340 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 18:52:45,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:52:45,340 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 18:52:45,340 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 18:52:45,340 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:52:45,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:52:45,341 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:52:45,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:52:45,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:52:45,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:52:45,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:52:45,342 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:52:45,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:52:45,343 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-25 18:52:45,343 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-25 18:52:45,343 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-25 18:52:45,343 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-25 18:52:45,344 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-25 18:52:45,344 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_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0b350b5c7953744a22c8334b20c4dc8efdff09f1ecb36de8b1744d1e20f0260 [2022-11-25 18:52:45,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:52:45,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:52:45,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:52:45,672 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:52:45,673 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:52:45,675 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH/../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2022-11-25 18:52:48,734 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:52:49,049 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:52:49,050 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2022-11-25 18:52:49,061 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH/data/82c1a70ea/a7b3e644a1894f7a8f4f4371c86d7907/FLAG1af5bb6ab [2022-11-25 18:52:49,088 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH/data/82c1a70ea/a7b3e644a1894f7a8f4f4371c86d7907 [2022-11-25 18:52:49,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:52:49,096 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:52:49,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:52:49,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:52:49,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:52:49,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:52:49" (1/1) ... [2022-11-25 18:52:49,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9dab412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:49, skipping insertion in model container [2022-11-25 18:52:49,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:52:49" (1/1) ... [2022-11-25 18:52:49,121 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:52:49,170 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:52:49,377 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:49,380 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:49,380 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:49,381 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:49,385 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:49,386 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:49,387 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:49,387 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:49,393 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:49,394 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:49,395 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:49,396 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:49,397 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:49,397 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:49,399 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:49,400 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:49,400 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:49,401 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:49,405 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:49,405 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:49,413 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_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c[4225,4238] [2022-11-25 18:52:49,424 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:52:49,437 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) [2022-11-25 18:52:49,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@23846684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:49, skipping insertion in model container [2022-11-25 18:52:49,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:52:49,438 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 18:52:49,440 INFO L158 Benchmark]: Toolchain (without parser) took 343.13ms. Allocated memory is still 174.1MB. Free memory was 135.9MB in the beginning and 124.5MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 18:52:49,441 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory was 77.5MB in the beginning and 77.4MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:52:49,442 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.68ms. Allocated memory is still 174.1MB. Free memory was 135.9MB in the beginning and 124.5MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 18:52:49,443 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory was 77.5MB in the beginning and 77.4MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.68ms. Allocated memory is still 174.1MB. Free memory was 135.9MB in the beginning and 124.5MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 175]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH --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 c0b350b5c7953744a22c8334b20c4dc8efdff09f1ecb36de8b1744d1e20f0260 --- 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-38b53e6 [2022-11-25 18:52:51,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:52:51,950 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:52:51,998 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:52:51,998 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:52:52,003 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:52:52,006 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:52:52,010 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:52:52,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:52:52,019 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:52:52,021 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:52:52,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:52:52,024 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:52:52,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:52:52,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:52:52,035 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:52:52,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:52:52,038 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:52:52,040 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:52:52,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:52:52,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:52:52,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:52:52,056 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:52:52,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:52:52,068 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:52:52,068 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:52:52,068 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:52:52,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:52:52,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:52:52,073 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:52:52,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:52:52,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:52:52,078 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:52:52,080 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:52:52,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:52:52,089 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:52:52,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:52:52,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:52:52,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:52:52,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:52:52,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:52:52,094 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf [2022-11-25 18:52:52,148 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:52:52,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:52:52,150 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:52:52,150 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:52:52,151 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:52:52,151 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:52:52,152 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:52:52,153 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:52:52,153 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:52:52,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:52:52,154 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 18:52:52,155 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:52:52,155 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:52:52,155 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 18:52:52,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:52:52,156 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 18:52:52,156 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 18:52:52,156 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 18:52:52,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:52:52,157 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 18:52:52,157 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 18:52:52,157 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 18:52:52,157 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 18:52:52,158 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:52:52,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:52:52,158 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:52:52,159 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:52:52,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:52:52,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:52:52,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:52:52,160 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 18:52:52,160 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 18:52:52,161 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-25 18:52:52,161 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-25 18:52:52,161 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-25 18:52:52,161 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-25 18:52:52,162 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-25 18:52:52,162 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:52:52,162 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_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0b350b5c7953744a22c8334b20c4dc8efdff09f1ecb36de8b1744d1e20f0260 [2022-11-25 18:52:52,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:52:52,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:52:52,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:52:52,688 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:52:52,689 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:52:52,691 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH/../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2022-11-25 18:52:55,871 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:52:56,197 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:52:56,198 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2022-11-25 18:52:56,205 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH/data/6d92af1a1/2d3c954ad49b4d55a222095209e56ae6/FLAG08d3f8426 [2022-11-25 18:52:56,220 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH/data/6d92af1a1/2d3c954ad49b4d55a222095209e56ae6 [2022-11-25 18:52:56,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:52:56,225 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:52:56,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:52:56,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:52:56,233 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:52:56,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:52:56" (1/1) ... [2022-11-25 18:52:56,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d89b027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:56, skipping insertion in model container [2022-11-25 18:52:56,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:52:56" (1/1) ... [2022-11-25 18:52:56,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:52:56,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:52:56,520 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:56,528 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:56,528 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:56,529 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:56,534 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:56,537 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:56,538 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:56,539 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:56,559 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:56,560 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:56,561 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:56,563 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:56,563 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:56,564 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:56,565 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:56,566 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:56,567 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:56,567 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:56,576 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:56,576 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:56,588 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_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c[4225,4238] [2022-11-25 18:52:56,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:52:56,633 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-25 18:52:56,650 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:52:56,656 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:56,662 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:56,663 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:56,664 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:56,667 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:56,669 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:56,669 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:56,670 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:56,679 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:56,681 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:56,683 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:56,684 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:56,684 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:56,685 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:56,686 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:56,688 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:56,691 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:56,691 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:56,698 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:56,701 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:56,705 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_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c[4225,4238] [2022-11-25 18:52:56,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:52:56,726 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:52:56,749 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:56,750 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:56,750 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:56,751 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:56,752 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:56,753 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:56,754 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:56,754 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:56,767 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:56,768 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:56,769 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:56,770 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:56,770 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:56,770 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:56,771 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:56,772 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:56,772 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:56,772 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:56,774 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:52:56,775 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:52:56,778 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_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c[4225,4238] [2022-11-25 18:52:56,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:52:56,819 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:52:56,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:56 WrapperNode [2022-11-25 18:52:56,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:52:56,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:52:56,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:52:56,824 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:52:56,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:56" (1/1) ... [2022-11-25 18:52:56,865 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:56" (1/1) ... [2022-11-25 18:52:56,917 INFO L138 Inliner]: procedures = 31, calls = 88, calls flagged for inlining = 22, calls inlined = 32, statements flattened = 367 [2022-11-25 18:52:56,918 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:52:56,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:52:56,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:52:56,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:52:56,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:56" (1/1) ... [2022-11-25 18:52:56,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:56" (1/1) ... [2022-11-25 18:52:56,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:56" (1/1) ... [2022-11-25 18:52:56,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:56" (1/1) ... [2022-11-25 18:52:56,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:56" (1/1) ... [2022-11-25 18:52:57,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:56" (1/1) ... [2022-11-25 18:52:57,004 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:56" (1/1) ... [2022-11-25 18:52:57,007 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:56" (1/1) ... [2022-11-25 18:52:57,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:52:57,023 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:52:57,023 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:52:57,024 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:52:57,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:56" (1/1) ... [2022-11-25 18:52:57,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:52:57,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:52:57,064 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:52:57,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:52:57,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:52:57,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 18:52:57,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:52:57,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-25 18:52:57,116 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-25 18:52:57,116 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-25 18:52:57,116 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-25 18:52:57,116 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-25 18:52:57,116 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-25 18:52:57,116 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-25 18:52:57,116 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-25 18:52:57,117 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-25 18:52:57,117 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-11-25 18:52:57,117 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-11-25 18:52:57,117 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2022-11-25 18:52:57,117 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2022-11-25 18:52:57,117 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-25 18:52:57,117 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-25 18:52:57,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 18:52:57,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:52:57,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:52:57,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:52:57,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-25 18:52:57,120 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 18:52:57,299 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:52:57,302 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:52:58,365 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:52:58,703 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:52:58,704 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-25 18:52:58,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:52:58 BoogieIcfgContainer [2022-11-25 18:52:58,708 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:52:58,711 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:52:58,711 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:52:58,715 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:52:58,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:52:56" (1/3) ... [2022-11-25 18:52:58,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fe0f7d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:52:58, skipping insertion in model container [2022-11-25 18:52:58,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:52:56" (2/3) ... [2022-11-25 18:52:58,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fe0f7d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:52:58, skipping insertion in model container [2022-11-25 18:52:58,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:52:58" (3/3) ... [2022-11-25 18:52:58,721 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-2.wvr.c [2022-11-25 18:52:58,747 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:52:58,747 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2022-11-25 18:52:58,747 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 18:52:58,972 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2022-11-25 18:52:59,041 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:52:59,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-25 18:52:59,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:52:59,051 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-25 18:52:59,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-25 18:52:59,133 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-25 18:52:59,145 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork1 ======== [2022-11-25 18:52:59,151 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;@3be306b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:52:59,151 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 18:53:00,410 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2022-11-25 18:53:00,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:53:00,435 INFO L85 PathProgramCache]: Analyzing trace with hash 782748943, now seen corresponding path program 1 times [2022-11-25 18:53:00,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:53:00,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2138382092] [2022-11-25 18:53:00,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:53:00,459 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 [2022-11-25 18:53:00,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH/mathsat [2022-11-25 18:53:00,499 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH/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) [2022-11-25 18:53:00,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH/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 [2022-11-25 18:53:00,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:53:00,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-25 18:53:00,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:53:00,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:53:00,732 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:53:00,733 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:53:00,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2138382092] [2022-11-25 18:53:00,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2138382092] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:53:00,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:53:00,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:53:00,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734368876] [2022-11-25 18:53:00,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:53:00,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 18:53:00,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:53:00,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 18:53:00,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 18:53:00,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:53:00,778 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:53:00,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 59.0) internal successors, (118), 2 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:53:00,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:53:00,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:53:00,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH/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 [2022-11-25 18:53:01,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH/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 [2022-11-25 18:53:01,060 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2022-11-25 18:53:01,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:53:01,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1027748495, now seen corresponding path program 1 times [2022-11-25 18:53:01,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:53:01,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1140895679] [2022-11-25 18:53:01,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:53:01,062 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 [2022-11-25 18:53:01,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH/mathsat [2022-11-25 18:53:01,063 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH/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) [2022-11-25 18:53:01,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH/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 [2022-11-25 18:53:01,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:53:01,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-25 18:53:01,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:53:02,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:53:02,355 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:53:02,355 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:53:02,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1140895679] [2022-11-25 18:53:02,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1140895679] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:53:02,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:53:02,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-25 18:53:02,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681613173] [2022-11-25 18:53:02,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:53:02,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-25 18:53:02,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:53:02,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-25 18:53:02,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2022-11-25 18:53:02,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:53:02,361 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:53:02,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.142857142857142) internal successors, (114), 15 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:53:02,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:53:02,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:53:33,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:53:33,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-25 18:53:33,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH/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 [2022-11-25 18:53:34,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH/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 [2022-11-25 18:53:34,163 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE] === [2022-11-25 18:53:34,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:53:34,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1047521398, now seen corresponding path program 1 times [2022-11-25 18:53:34,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:53:34,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1977758918] [2022-11-25 18:53:34,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:53:34,165 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 [2022-11-25 18:53:34,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH/mathsat [2022-11-25 18:53:34,167 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH/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) [2022-11-25 18:53:34,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c4f30c3-29fe-406d-92c9-dd4592aff7a8/bin/ugemcutter-syNpU3ikLH/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 [2022-11-25 18:53:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:53:34,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-25 18:53:34,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:53:35,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:53:35,676 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:53:36,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:53:36,645 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:53:36,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1977758918] [2022-11-25 18:53:36,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1977758918] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:53:36,646 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 18:53:36,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 13] total 29 [2022-11-25 18:53:36,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539580766] [2022-11-25 18:53:36,647 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 18:53:36,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-11-25 18:53:36,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:53:36,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-11-25 18:53:36,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=692, Unknown=0, NotChecked=0, Total=870 [2022-11-25 18:53:36,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:53:36,659 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:53:36,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 6.206896551724138) internal successors, (180), 30 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:53:36,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:53:36,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-25 18:53:36,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.