./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5e519f3a 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_a4ade9df-ee7a-4b06-9e82-21863cf6c0a1/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ade9df-ee7a-4b06-9e82-21863cf6c0a1/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ade9df-ee7a-4b06-9e82-21863cf6c0a1/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ade9df-ee7a-4b06-9e82-21863cf6c0a1/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ade9df-ee7a-4b06-9e82-21863cf6c0a1/bin/utaipan-7li7fVZpFI/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ade9df-ee7a-4b06-9e82-21863cf6c0a1/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 115e066856baca443b44a0f6b5ce54f74ba2b2820e5612bf4393c0e893767d55 --- 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-5e519f3 [2022-11-03 02:17:32,429 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:17:32,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:17:32,497 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:17:32,498 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:17:32,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:17:32,507 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:17:32,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:17:32,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:17:32,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:17:32,526 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:17:32,527 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:17:32,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:17:32,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:17:32,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:17:32,535 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:17:32,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:17:32,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:17:32,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:17:32,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:17:32,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:17:32,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:17:32,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:17:32,561 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:17:32,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:17:32,572 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:17:32,573 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:17:32,574 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:17:32,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:17:32,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:17:32,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:17:32,579 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:17:32,580 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:17:32,582 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:17:32,584 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:17:32,584 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:17:32,585 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:17:32,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:17:32,586 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:17:32,587 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:17:32,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:17:32,589 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ade9df-ee7a-4b06-9e82-21863cf6c0a1/bin/utaipan-7li7fVZpFI/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-03 02:17:32,641 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:17:32,642 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:17:32,643 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:17:32,643 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:17:32,644 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:17:32,644 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:17:32,645 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:17:32,645 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:17:32,645 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:17:32,645 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:17:32,647 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:17:32,647 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:17:32,647 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:17:32,648 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:17:32,648 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:17:32,648 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:17:32,648 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:17:32,649 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:17:32,649 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:17:32,650 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:17:32,650 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 02:17:32,650 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:17:32,650 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:17:32,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:17:32,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:17:32,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:17:32,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:17:32,652 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-03 02:17:32,652 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:17:32,652 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:17:32,653 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:17:32,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:17:32,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:17:32,654 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:17:32,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:17:32,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:17:32,654 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:17:32,655 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:17:32,655 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:17:32,655 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:17:32,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:17:32,656 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:17:32,656 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:17:32,656 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_a4ade9df-ee7a-4b06-9e82-21863cf6c0a1/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ade9df-ee7a-4b06-9e82-21863cf6c0a1/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 115e066856baca443b44a0f6b5ce54f74ba2b2820e5612bf4393c0e893767d55 [2022-11-03 02:17:32,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:17:32,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:17:32,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:17:33,000 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:17:33,002 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:17:33,003 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ade9df-ee7a-4b06-9e82-21863cf6c0a1/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2022-11-03 02:17:33,085 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ade9df-ee7a-4b06-9e82-21863cf6c0a1/bin/utaipan-7li7fVZpFI/data/cfa5ea13a/aa278a722a27438aac99d741b0721224/FLAG80aa6f450 [2022-11-03 02:17:33,855 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:17:33,856 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ade9df-ee7a-4b06-9e82-21863cf6c0a1/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2022-11-03 02:17:33,896 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ade9df-ee7a-4b06-9e82-21863cf6c0a1/bin/utaipan-7li7fVZpFI/data/cfa5ea13a/aa278a722a27438aac99d741b0721224/FLAG80aa6f450 [2022-11-03 02:17:34,049 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ade9df-ee7a-4b06-9e82-21863cf6c0a1/bin/utaipan-7li7fVZpFI/data/cfa5ea13a/aa278a722a27438aac99d741b0721224 [2022-11-03 02:17:34,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:17:34,054 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:17:34,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:17:34,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:17:34,065 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:17:34,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:17:34" (1/1) ... [2022-11-03 02:17:34,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2811689d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:34, skipping insertion in model container [2022-11-03 02:17:34,068 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:17:34" (1/1) ... [2022-11-03 02:17:34,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:17:34,132 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:17:35,180 WARN L230 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_a4ade9df-ee7a-4b06-9e82-21863cf6c0a1/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i[63494,63507] [2022-11-03 02:17:35,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:17:35,248 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:17:35,367 WARN L230 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_a4ade9df-ee7a-4b06-9e82-21863cf6c0a1/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i[63494,63507] [2022-11-03 02:17:35,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:17:35,532 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:17:35,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:35 WrapperNode [2022-11-03 02:17:35,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:17:35,534 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:17:35,535 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:17:35,535 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:17:35,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:35" (1/1) ... [2022-11-03 02:17:35,603 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:35" (1/1) ... [2022-11-03 02:17:35,779 INFO L138 Inliner]: procedures = 397, calls = 214, calls flagged for inlining = 52, calls inlined = 211, statements flattened = 3797 [2022-11-03 02:17:35,780 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:17:35,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:17:35,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:17:35,781 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:17:35,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:35" (1/1) ... [2022-11-03 02:17:35,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:35" (1/1) ... [2022-11-03 02:17:35,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:35" (1/1) ... [2022-11-03 02:17:35,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:35" (1/1) ... [2022-11-03 02:17:35,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:35" (1/1) ... [2022-11-03 02:17:35,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:35" (1/1) ... [2022-11-03 02:17:35,984 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:35" (1/1) ... [2022-11-03 02:17:36,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:35" (1/1) ... [2022-11-03 02:17:36,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:17:36,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:17:36,057 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:17:36,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:17:36,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:35" (1/1) ... [2022-11-03 02:17:36,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:17:36,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ade9df-ee7a-4b06-9e82-21863cf6c0a1/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:17:36,107 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ade9df-ee7a-4b06-9e82-21863cf6c0a1/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:17:36,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ade9df-ee7a-4b06-9e82-21863cf6c0a1/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:17:36,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-03 02:17:36,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:17:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-03 02:17:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:17:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:17:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:17:36,176 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2022-11-03 02:17:36,176 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2022-11-03 02:17:36,176 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2022-11-03 02:17:36,176 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2022-11-03 02:17:36,176 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2022-11-03 02:17:36,176 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2022-11-03 02:17:36,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:17:36,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:17:36,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:17:36,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:17:36,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:17:36,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:17:36,178 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2022-11-03 02:17:36,178 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2022-11-03 02:17:36,178 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2022-11-03 02:17:36,178 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2022-11-03 02:17:36,178 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2022-11-03 02:17:36,179 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2022-11-03 02:17:36,179 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2022-11-03 02:17:36,179 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2022-11-03 02:17:36,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:17:36,184 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-03 02:17:36,872 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:17:36,887 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:17:41,562 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:17:45,298 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:17:45,299 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 02:17:45,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:17:45 BoogieIcfgContainer [2022-11-03 02:17:45,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:17:45,309 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:17:45,309 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:17:45,314 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:17:45,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:17:34" (1/3) ... [2022-11-03 02:17:45,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23b581f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:17:45, skipping insertion in model container [2022-11-03 02:17:45,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:35" (2/3) ... [2022-11-03 02:17:45,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23b581f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:17:45, skipping insertion in model container [2022-11-03 02:17:45,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:17:45" (3/3) ... [2022-11-03 02:17:45,320 INFO L112 eAbstractionObserver]: Analyzing ICFG elimination_backoff_stack.i [2022-11-03 02:17:45,336 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-03 02:17:45,349 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:17:45,350 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 84 error locations. [2022-11-03 02:17:45,350 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-03 02:17:46,463 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-03 02:17:46,548 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-03 02:17:46,567 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 2537 places, 2662 transitions, 5359 flow [2022-11-03 02:17:46,573 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 2537 places, 2662 transitions, 5359 flow [2022-11-03 02:17:46,576 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 2537 places, 2662 transitions, 5359 flow [2022-11-03 02:17:53,167 INFO L130 PetriNetUnfolder]: 147/2655 cut-off events. [2022-11-03 02:17:53,167 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-03 02:17:53,478 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2677 conditions, 2655 events. 147/2655 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 18127 event pairs, 0 based on Foata normal form. 0/2424 useless extension candidates. Maximal degree in co-relation 2600. Up to 6 conditions per place. [2022-11-03 02:17:55,205 INFO L118 LiptonReduction]: Number of co-enabled transitions 5686704 [2022-11-03 02:18:21,834 WARN L234 SmtUtils]: Spent 21.03s on a formula simplification. DAG size of input: 306 DAG size of output: 299 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:18:29,913 WARN L234 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 296 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:18:53,359 WARN L234 SmtUtils]: Spent 23.44s on a formula simplification. DAG size of input: 330 DAG size of output: 323 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:19:05,422 WARN L234 SmtUtils]: Spent 12.06s on a formula simplification that was a NOOP. DAG size: 320 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:19:27,106 WARN L234 SmtUtils]: Spent 20.82s on a formula simplification. DAG size of input: 307 DAG size of output: 300 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:19:36,618 WARN L234 SmtUtils]: Spent 9.49s on a formula simplification that was a NOOP. DAG size: 300 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:20:02,370 WARN L234 SmtUtils]: Spent 25.75s on a formula simplification. DAG size of input: 331 DAG size of output: 324 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:20:15,590 WARN L234 SmtUtils]: Spent 13.22s on a formula simplification that was a NOOP. DAG size: 324 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:20:32,625 WARN L230 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ade9df-ee7a-4b06-9e82-21863cf6c0a1/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2022-11-03 02:20:32,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ade9df-ee7a-4b06-9e82-21863cf6c0a1/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2022-11-03 02:20:32,627 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ade9df-ee7a-4b06-9e82-21863cf6c0a1/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:139) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.checkImplication(TransFormulaUtils.java:1149) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.performInclusionCheck(SemanticIndependenceRelation.java:190) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.containsLBool(SemanticIndependenceRelation.java:141) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:119) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.UnionIndependenceRelation.lambda$2(UnionIndependenceRelation.java:70) at java.base/java.util.stream.MatchOps$1MatchSink.accept(MatchOps.java:90) at java.base/java.util.Spliterators$ArraySpliterator.tryAdvance(Spliterators.java:958) at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:127) at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:502) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:488) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:230) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:196) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.anyMatch(ReferencePipeline.java:528) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.UnionIndependenceRelation.contains(UnionIndependenceRelation.java:70) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.CachedIndependenceRelation.contains(CachedIndependenceRelation.java:120) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.lambda$1(LiptonReduction.java:465) at java.base/java.util.stream.MatchOps$1MatchSink.accept(MatchOps.java:90) at java.base/java.util.HashMap$KeySpliterator.tryAdvance(HashMap.java:1642) at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:127) at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:502) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:488) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:230) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:196) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.allMatch(ReferencePipeline.java:533) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.isRightMover(LiptonReduction.java:465) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.sequenceRuleCheck(LiptonReduction.java:408) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.sequenceRule(LiptonReduction.java:311) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.(LiptonReduction.java:128) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.petrinetlbe.PetriNetLargeBlockEncoding.(PetriNetLargeBlockEncoding.java:133) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.initialabstraction.PetriLbeInitialAbstractionProvider.getInitialAbstraction(PetriLbeInitialAbstractionProvider.java:95) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.initialabstraction.PetriLbeInitialAbstractionProvider.getInitialAbstraction(PetriLbeInitialAbstractionProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.initialabstraction.Petri2FiniteAutomatonAbstractionProvider$Eager.getInitialAbstraction(Petri2FiniteAutomatonAbstractionProvider.java:148) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.initialabstraction.Petri2FiniteAutomatonAbstractionProvider$Eager.getInitialAbstraction(Petri2FiniteAutomatonAbstractionProvider.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopFactory.constructInitialAbstraction(CegarLoopFactory.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopFactory.createAutomataAbstraction(CegarLoopFactory.java:248) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopFactory.createFiniteAutomataCegarLoop(CegarLoopFactory.java:220) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopFactory.constructCegarLoop(CegarLoopFactory.java:172) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) ... 63 more [2022-11-03 02:20:32,633 INFO L158 Benchmark]: Toolchain (without parser) took 178579.28ms. Allocated memory was 146.8MB in the beginning and 4.0GB in the end (delta: 3.9GB). Free memory was 111.2MB in the beginning and 3.2GB in the end (delta: -3.1GB). Peak memory consumption was 878.8MB. Max. memory is 16.1GB. [2022-11-03 02:20:32,634 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 96.5MB. Free memory was 51.0MB in the beginning and 50.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:20:32,635 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1476.24ms. Allocated memory is still 146.8MB. Free memory was 110.9MB in the beginning and 85.0MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-03 02:20:32,636 INFO L158 Benchmark]: Boogie Procedure Inliner took 245.78ms. Allocated memory is still 146.8MB. Free memory was 84.5MB in the beginning and 108.0MB in the end (delta: -23.4MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2022-11-03 02:20:32,636 INFO L158 Benchmark]: Boogie Preprocessor took 275.15ms. Allocated memory is still 146.8MB. Free memory was 108.0MB in the beginning and 89.6MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-03 02:20:32,637 INFO L158 Benchmark]: RCFGBuilder took 9249.58ms. Allocated memory was 146.8MB in the beginning and 432.0MB in the end (delta: 285.2MB). Free memory was 89.6MB in the beginning and 163.8MB in the end (delta: -74.3MB). Peak memory consumption was 230.2MB. Max. memory is 16.1GB. [2022-11-03 02:20:32,638 INFO L158 Benchmark]: TraceAbstraction took 167322.97ms. Allocated memory was 432.0MB in the beginning and 4.0GB in the end (delta: 3.6GB). Free memory was 163.8MB in the beginning and 3.2GB in the end (delta: -3.0GB). Peak memory consumption was 646.9MB. Max. memory is 16.1GB. [2022-11-03 02:20:32,644 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 96.5MB. Free memory was 51.0MB in the beginning and 50.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1476.24ms. Allocated memory is still 146.8MB. Free memory was 110.9MB in the beginning and 85.0MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 245.78ms. Allocated memory is still 146.8MB. Free memory was 84.5MB in the beginning and 108.0MB in the end (delta: -23.4MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 275.15ms. Allocated memory is still 146.8MB. Free memory was 108.0MB in the beginning and 89.6MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * RCFGBuilder took 9249.58ms. Allocated memory was 146.8MB in the beginning and 432.0MB in the end (delta: 285.2MB). Free memory was 89.6MB in the beginning and 163.8MB in the end (delta: -74.3MB). Peak memory consumption was 230.2MB. Max. memory is 16.1GB. * TraceAbstraction took 167322.97ms. Allocated memory was 432.0MB in the beginning and 4.0GB in the end (delta: 3.6GB). Free memory was 163.8MB in the beginning and 3.2GB in the end (delta: -3.0GB). Peak memory consumption was 646.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ade9df-ee7a-4b06-9e82-21863cf6c0a1/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ade9df-ee7a-4b06-9e82-21863cf6c0a1/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) 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 No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ade9df-ee7a-4b06-9e82-21863cf6c0a1/bin/utaipan-7li7fVZpFI/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ade9df-ee7a-4b06-9e82-21863cf6c0a1/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")