./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe009_power.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b09c85b7 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96129888-ce92-4b9e-8bc0-9bcad71cf426/bin/ugemcutter-QpsTfqS70U/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96129888-ce92-4b9e-8bc0-9bcad71cf426/bin/ugemcutter-QpsTfqS70U/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96129888-ce92-4b9e-8bc0-9bcad71cf426/bin/ugemcutter-QpsTfqS70U/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96129888-ce92-4b9e-8bc0-9bcad71cf426/bin/ugemcutter-QpsTfqS70U/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe009_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96129888-ce92-4b9e-8bc0-9bcad71cf426/bin/ugemcutter-QpsTfqS70U/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96129888-ce92-4b9e-8bc0-9bcad71cf426/bin/ugemcutter-QpsTfqS70U --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash be536b3b382c4e63adbabc11deb06983f35dbd290b78e0d42f1a068990873986 --- 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-b09c85b [2022-11-08 07:42:44,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-08 07:42:44,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-08 07:42:44,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-08 07:42:44,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-08 07:42:44,980 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-08 07:42:44,982 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-08 07:42:44,984 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-08 07:42:44,986 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-08 07:42:44,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-08 07:42:44,988 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-08 07:42:44,989 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-08 07:42:44,990 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-08 07:42:44,991 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-08 07:42:44,992 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-08 07:42:44,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-08 07:42:44,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-08 07:42:44,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-08 07:42:44,999 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-08 07:42:45,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-08 07:42:45,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-08 07:42:45,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-08 07:42:45,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-08 07:42:45,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-08 07:42:45,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-08 07:42:45,010 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-08 07:42:45,011 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-08 07:42:45,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-08 07:42:45,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-08 07:42:45,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-08 07:42:45,014 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-08 07:42:45,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-08 07:42:45,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-08 07:42:45,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-08 07:42:45,018 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-08 07:42:45,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-08 07:42:45,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-08 07:42:45,020 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-08 07:42:45,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-08 07:42:45,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-08 07:42:45,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-08 07:42:45,030 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96129888-ce92-4b9e-8bc0-9bcad71cf426/bin/ugemcutter-QpsTfqS70U/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2022-11-08 07:42:45,064 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-08 07:42:45,064 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-08 07:42:45,065 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-08 07:42:45,065 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-08 07:42:45,072 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-08 07:42:45,072 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-08 07:42:45,073 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-08 07:42:45,073 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-08 07:42:45,073 INFO L138 SettingsManager]: * Use SBE=true [2022-11-08 07:42:45,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-08 07:42:45,075 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-08 07:42:45,075 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-08 07:42:45,075 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-08 07:42:45,075 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-08 07:42:45,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-08 07:42:45,076 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-08 07:42:45,076 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-08 07:42:45,076 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-08 07:42:45,076 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-08 07:42:45,077 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-08 07:42:45,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-08 07:42:45,077 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-08 07:42:45,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-08 07:42:45,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-08 07:42:45,078 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-08 07:42:45,078 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-08 07:42:45,078 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-08 07:42:45,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-08 07:42:45,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-08 07:42:45,079 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-08 07:42:45,080 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-08 07:42:45,080 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-08 07:42:45,080 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-11-08 07:42:45,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-08 07:42:45,081 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-08 07:42:45,081 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-08 07:42:45,081 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-08 07:42:45,081 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-08 07:42:45,082 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-08 07:42:45,082 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_96129888-ce92-4b9e-8bc0-9bcad71cf426/bin/ugemcutter-QpsTfqS70U/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96129888-ce92-4b9e-8bc0-9bcad71cf426/bin/ugemcutter-QpsTfqS70U Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be536b3b382c4e63adbabc11deb06983f35dbd290b78e0d42f1a068990873986 [2022-11-08 07:42:45,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-08 07:42:45,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-08 07:42:45,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-08 07:42:45,388 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-08 07:42:45,389 INFO L275 PluginConnector]: CDTParser initialized [2022-11-08 07:42:45,390 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96129888-ce92-4b9e-8bc0-9bcad71cf426/bin/ugemcutter-QpsTfqS70U/../../sv-benchmarks/c/pthread-wmm/safe009_power.opt.i [2022-11-08 07:42:45,466 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96129888-ce92-4b9e-8bc0-9bcad71cf426/bin/ugemcutter-QpsTfqS70U/data/f91647d74/6398dfdd7c7f4307b4e27b4bd2b1ee08/FLAG8f5c12409 [2022-11-08 07:42:45,992 INFO L306 CDTParser]: Found 1 translation units. [2022-11-08 07:42:45,992 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96129888-ce92-4b9e-8bc0-9bcad71cf426/sv-benchmarks/c/pthread-wmm/safe009_power.opt.i [2022-11-08 07:42:46,011 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96129888-ce92-4b9e-8bc0-9bcad71cf426/bin/ugemcutter-QpsTfqS70U/data/f91647d74/6398dfdd7c7f4307b4e27b4bd2b1ee08/FLAG8f5c12409 [2022-11-08 07:42:46,290 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96129888-ce92-4b9e-8bc0-9bcad71cf426/bin/ugemcutter-QpsTfqS70U/data/f91647d74/6398dfdd7c7f4307b4e27b4bd2b1ee08 [2022-11-08 07:42:46,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-08 07:42:46,294 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-08 07:42:46,295 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-08 07:42:46,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-08 07:42:46,304 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-08 07:42:46,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:42:46" (1/1) ... [2022-11-08 07:42:46,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75d3a7d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:46, skipping insertion in model container [2022-11-08 07:42:46,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:42:46" (1/1) ... [2022-11-08 07:42:46,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-08 07:42:46,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-08 07:42:46,573 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_96129888-ce92-4b9e-8bc0-9bcad71cf426/sv-benchmarks/c/pthread-wmm/safe009_power.opt.i[951,964] [2022-11-08 07:42:46,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-08 07:42:46,896 INFO L203 MainTranslator]: Completed pre-run [2022-11-08 07:42:46,910 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_96129888-ce92-4b9e-8bc0-9bcad71cf426/sv-benchmarks/c/pthread-wmm/safe009_power.opt.i[951,964] [2022-11-08 07:42:46,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-08 07:42:47,017 INFO L208 MainTranslator]: Completed translation [2022-11-08 07:42:47,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:47 WrapperNode [2022-11-08 07:42:47,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-08 07:42:47,018 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-08 07:42:47,019 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-08 07:42:47,019 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-08 07:42:47,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:47" (1/1) ... [2022-11-08 07:42:47,043 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:47" (1/1) ... [2022-11-08 07:42:47,068 INFO L138 Inliner]: procedures = 176, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 213 [2022-11-08 07:42:47,069 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-08 07:42:47,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-08 07:42:47,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-08 07:42:47,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-08 07:42:47,079 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:47" (1/1) ... [2022-11-08 07:42:47,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:47" (1/1) ... [2022-11-08 07:42:47,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:47" (1/1) ... [2022-11-08 07:42:47,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:47" (1/1) ... [2022-11-08 07:42:47,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:47" (1/1) ... [2022-11-08 07:42:47,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:47" (1/1) ... [2022-11-08 07:42:47,104 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:47" (1/1) ... [2022-11-08 07:42:47,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:47" (1/1) ... [2022-11-08 07:42:47,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-08 07:42:47,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-08 07:42:47,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-08 07:42:47,112 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-08 07:42:47,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:47" (1/1) ... [2022-11-08 07:42:47,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-08 07:42:47,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96129888-ce92-4b9e-8bc0-9bcad71cf426/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:42:47,167 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96129888-ce92-4b9e-8bc0-9bcad71cf426/bin/ugemcutter-QpsTfqS70U/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-08 07:42:47,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96129888-ce92-4b9e-8bc0-9bcad71cf426/bin/ugemcutter-QpsTfqS70U/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-08 07:42:47,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-08 07:42:47,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-08 07:42:47,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-08 07:42:47,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-08 07:42:47,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-08 07:42:47,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-08 07:42:47,209 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-08 07:42:47,209 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-08 07:42:47,209 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-08 07:42:47,210 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-08 07:42:47,210 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-08 07:42:47,210 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-08 07:42:47,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-08 07:42:47,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-08 07:42:47,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-08 07:42:47,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-08 07:42:47,212 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-08 07:42:47,380 INFO L235 CfgBuilder]: Building ICFG [2022-11-08 07:42:47,382 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-08 07:42:48,286 INFO L276 CfgBuilder]: Performing block encoding [2022-11-08 07:42:49,002 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-08 07:42:49,002 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-08 07:42:49,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:42:49 BoogieIcfgContainer [2022-11-08 07:42:49,005 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-08 07:42:49,008 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-08 07:42:49,008 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-08 07:42:49,011 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-08 07:42:49,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:42:46" (1/3) ... [2022-11-08 07:42:49,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@278ca6b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:42:49, skipping insertion in model container [2022-11-08 07:42:49,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:47" (2/3) ... [2022-11-08 07:42:49,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@278ca6b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:42:49, skipping insertion in model container [2022-11-08 07:42:49,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:42:49" (3/3) ... [2022-11-08 07:42:49,015 INFO L112 eAbstractionObserver]: Analyzing ICFG safe009_power.opt.i [2022-11-08 07:42:49,024 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-08 07:42:49,035 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-08 07:42:49,035 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-08 07:42:49,035 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-08 07:42:49,181 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-08 07:42:49,254 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-08 07:42:49,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-08 07:42:49,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96129888-ce92-4b9e-8bc0-9bcad71cf426/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:42:49,261 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96129888-ce92-4b9e-8bc0-9bcad71cf426/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-08 07:42:49,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96129888-ce92-4b9e-8bc0-9bcad71cf426/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-08 07:42:49,303 INFO L156 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-08 07:42:49,321 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Thread1of1ForFork1 ======== [2022-11-08 07:42:49,332 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=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@e230cca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-08 07:42:49,333 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-08 07:42:50,537 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-08 07:42:50,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:50,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1504578793, now seen corresponding path program 1 times [2022-11-08 07:42:50,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:50,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362430615] [2022-11-08 07:42:50,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:50,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:50,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:51,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-08 07:42:51,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:51,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362430615] [2022-11-08 07:42:51,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362430615] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:42:51,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:42:51,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-08 07:42:51,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060056408] [2022-11-08 07:42:51,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:42:51,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-08 07:42:51,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:51,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-08 07:42:51,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-08 07:42:51,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:51,223 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:51,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2022-11-08 07:42:51,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:51,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:51,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-08 07:42:51,333 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-08 07:42:51,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:51,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1365311276, now seen corresponding path program 1 times [2022-11-08 07:42:51,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:51,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933158625] [2022-11-08 07:42:51,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:51,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:51,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:51,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-08 07:42:51,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:51,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933158625] [2022-11-08 07:42:51,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933158625] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:42:51,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:42:51,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-08 07:42:51,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988668957] [2022-11-08 07:42:51,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:42:51,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-08 07:42:51,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:51,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-08 07:42:51,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-08 07:42:51,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:51,726 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:51,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 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) [2022-11-08 07:42:51,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:51,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:51,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:51,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:42:51,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-08 07:42:51,802 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-08 07:42:51,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:51,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1365311275, now seen corresponding path program 1 times [2022-11-08 07:42:51,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:51,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580906079] [2022-11-08 07:42:51,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:51,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:51,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:52,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-08 07:42:52,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:52,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580906079] [2022-11-08 07:42:52,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580906079] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:42:52,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:42:52,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-08 07:42:52,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990828408] [2022-11-08 07:42:52,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:42:52,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-08 07:42:52,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:52,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-08 07:42:52,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-08 07:42:52,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:52,113 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:52,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 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) [2022-11-08 07:42:52,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:52,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:42:52,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:56,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:56,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:42:56,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:42:56,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-08 07:42:56,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-08 07:42:56,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-08 07:42:56,165 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-08 07:42:56,166 INFO L307 ceAbstractionStarter]: Result for error location P2Thread1of1ForFork1 was SAFE,SAFE (1/4) [2022-11-08 07:42:56,180 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-08 07:42:56,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-08 07:42:56,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96129888-ce92-4b9e-8bc0-9bcad71cf426/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:42:56,184 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96129888-ce92-4b9e-8bc0-9bcad71cf426/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-08 07:42:56,227 INFO L156 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-08 07:42:56,228 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P1Thread1of1ForFork0 ======== [2022-11-08 07:42:56,228 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=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@e230cca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-08 07:42:56,228 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-08 07:42:56,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96129888-ce92-4b9e-8bc0-9bcad71cf426/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-11-08 07:42:56,986 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-08 07:42:56,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:56,987 INFO L85 PathProgramCache]: Analyzing trace with hash 562817805, now seen corresponding path program 1 times [2022-11-08 07:42:56,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:56,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833409234] [2022-11-08 07:42:56,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:56,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:57,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:57,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-08 07:42:57,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:57,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833409234] [2022-11-08 07:42:57,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833409234] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:42:57,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:42:57,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-08 07:42:57,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189526061] [2022-11-08 07:42:57,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:42:57,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-08 07:42:57,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:57,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-08 07:42:57,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-08 07:42:57,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:57,152 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:57,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 36.5) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:42:57,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:57,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:57,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-08 07:42:57,373 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-08 07:42:57,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:57,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1599061154, now seen corresponding path program 1 times [2022-11-08 07:42:57,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:57,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886652133] [2022-11-08 07:42:57,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:57,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:57,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:57,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-08 07:42:57,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:57,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886652133] [2022-11-08 07:42:57,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886652133] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:42:57,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:42:57,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-08 07:42:57,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621526269] [2022-11-08 07:42:57,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:42:57,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-08 07:42:57,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:57,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-08 07:42:57,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-08 07:42:57,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:57,574 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:57,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 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) [2022-11-08 07:42:57,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:57,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:58,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:58,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:58,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-08 07:42:58,521 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-08 07:42:58,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:58,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1243410838, now seen corresponding path program 1 times [2022-11-08 07:42:58,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:58,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035740247] [2022-11-08 07:42:58,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:58,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:58,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-08 07:42:58,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:58,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035740247] [2022-11-08 07:42:58,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035740247] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:42:58,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:42:58,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-08 07:42:58,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638348312] [2022-11-08 07:42:58,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:42:58,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-08 07:42:58,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:58,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-08 07:42:58,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-08 07:42:58,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:58,724 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:58,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 32.333333333333336) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:42:58,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:58,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:58,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:43:01,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:43:01,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:43:01,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:43:01,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-08 07:43:01,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-08 07:43:01,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-08 07:43:01,093 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-08 07:43:01,093 INFO L307 ceAbstractionStarter]: Result for error location P1Thread1of1ForFork0 was SAFE,SAFE (2/4) [2022-11-08 07:43:01,095 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-08 07:43:01,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-08 07:43:01,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96129888-ce92-4b9e-8bc0-9bcad71cf426/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:43:01,098 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96129888-ce92-4b9e-8bc0-9bcad71cf426/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-08 07:43:01,101 INFO L156 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-08 07:43:01,101 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-08 07:43:01,102 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=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@e230cca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-08 07:43:01,102 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-08 07:43:01,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96129888-ce92-4b9e-8bc0-9bcad71cf426/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-11-08 07:43:02,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 3 remaining) [2022-11-08 07:43:02,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-11-08 07:43:02,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-11-08 07:43:02,761 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-08 07:43:02,761 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE (3/4) [2022-11-08 07:43:02,763 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-08 07:43:02,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-08 07:43:02,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96129888-ce92-4b9e-8bc0-9bcad71cf426/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:43:02,769 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96129888-ce92-4b9e-8bc0-9bcad71cf426/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-08 07:43:02,779 INFO L156 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-08 07:43:02,779 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P0Thread1of1ForFork2 ======== [2022-11-08 07:43:02,780 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=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@e230cca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-08 07:43:02,780 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-08 07:43:02,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96129888-ce92-4b9e-8bc0-9bcad71cf426/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2022-11-08 07:43:03,619 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-08 07:43:03,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:43:03,620 INFO L85 PathProgramCache]: Analyzing trace with hash -761735812, now seen corresponding path program 1 times [2022-11-08 07:43:03,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:43:03,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279288893] [2022-11-08 07:43:03,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:43:03,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:43:03,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:43:03,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-08 07:43:03,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:43:03,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279288893] [2022-11-08 07:43:03,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279288893] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:43:03,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:43:03,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-08 07:43:03,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905079240] [2022-11-08 07:43:03,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:43:03,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-08 07:43:03,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:43:03,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-08 07:43:03,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-08 07:43:03,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:43:03,702 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:43:03,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 59.5) internal successors, (119), 2 states have internal predecessors, (119), 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) [2022-11-08 07:43:03,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:43:03,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:43:03,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-08 07:43:03,770 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-08 07:43:03,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:43:03,771 INFO L85 PathProgramCache]: Analyzing trace with hash 300761049, now seen corresponding path program 1 times [2022-11-08 07:43:03,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:43:03,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825922889] [2022-11-08 07:43:03,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:43:03,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:43:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:43:03,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-08 07:43:03,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:43:03,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825922889] [2022-11-08 07:43:03,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825922889] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:43:03,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:43:03,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-08 07:43:03,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795142575] [2022-11-08 07:43:03,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:43:03,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-08 07:43:03,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:43:03,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-08 07:43:03,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-08 07:43:03,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:43:03,922 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:43:03,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:43:03,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:43:03,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:43:03,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:43:03,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:43:03,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-08 07:43:03,968 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-08 07:43:03,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:43:03,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1296356036, now seen corresponding path program 1 times [2022-11-08 07:43:03,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:43:03,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238825495] [2022-11-08 07:43:03,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:43:03,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:43:04,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:43:04,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-08 07:43:04,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:43:04,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238825495] [2022-11-08 07:43:04,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238825495] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:43:04,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:43:04,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-08 07:43:04,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289357141] [2022-11-08 07:43:04,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:43:04,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-08 07:43:04,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:43:04,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-08 07:43:04,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-08 07:43:04,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:43:04,132 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:43:04,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 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) [2022-11-08 07:43:04,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:43:04,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:43:04,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:43:04,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:43:04,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:43:04,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:43:04,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-08 07:43:04,180 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-08 07:43:04,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:43:04,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1801914660, now seen corresponding path program 1 times [2022-11-08 07:43:04,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:43:04,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420124994] [2022-11-08 07:43:04,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:43:04,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:43:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:43:04,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-08 07:43:04,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:43:04,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420124994] [2022-11-08 07:43:04,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420124994] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:43:04,334 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:43:04,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-08 07:43:04,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85058959] [2022-11-08 07:43:04,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:43:04,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-08 07:43:04,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:43:04,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-08 07:43:04,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-08 07:43:04,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:43:04,336 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:43:04,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 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) [2022-11-08 07:43:04,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:43:04,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:43:04,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:43:04,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:43:04,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:43:04,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:43:04,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:43:04,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:43:04,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-08 07:43:04,397 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-08 07:43:04,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:43:04,398 INFO L85 PathProgramCache]: Analyzing trace with hash 86662265, now seen corresponding path program 1 times [2022-11-08 07:43:04,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:43:04,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073114796] [2022-11-08 07:43:04,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:43:04,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:43:04,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:43:04,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-08 07:43:04,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:43:04,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073114796] [2022-11-08 07:43:04,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073114796] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:43:04,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:43:04,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-08 07:43:04,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137411632] [2022-11-08 07:43:04,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:43:04,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-08 07:43:04,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:43:04,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-08 07:43:04,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-08 07:43:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:43:04,681 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:43:04,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 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) [2022-11-08 07:43:04,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:43:04,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:43:04,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:43:04,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:43:04,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:43:08,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:43:08,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:43:08,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:43:08,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:43:08,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:43:08,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-08 07:43:08,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-08 07:43:08,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-08 07:43:08,422 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-08 07:43:08,422 INFO L307 ceAbstractionStarter]: Result for error location P0Thread1of1ForFork2 was SAFE,SAFE (4/4) [2022-11-08 07:43:08,423 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-08 07:43:08,423 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-08 07:43:08,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:43:08 BasicIcfg [2022-11-08 07:43:08,428 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-08 07:43:08,428 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-08 07:43:08,428 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-08 07:43:08,429 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-08 07:43:08,429 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:42:49" (3/4) ... [2022-11-08 07:43:08,432 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-08 07:43:08,438 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-11-08 07:43:08,438 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-11-08 07:43:08,439 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-11-08 07:43:08,444 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2022-11-08 07:43:08,444 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-08 07:43:08,445 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-08 07:43:08,445 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-08 07:43:08,483 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96129888-ce92-4b9e-8bc0-9bcad71cf426/bin/ugemcutter-QpsTfqS70U/witness.graphml [2022-11-08 07:43:08,484 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-08 07:43:08,484 INFO L158 Benchmark]: Toolchain (without parser) took 22190.70ms. Allocated memory was 100.7MB in the beginning and 868.2MB in the end (delta: 767.6MB). Free memory was 61.0MB in the beginning and 549.8MB in the end (delta: -488.7MB). Peak memory consumption was 279.8MB. Max. memory is 16.1GB. [2022-11-08 07:43:08,485 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 100.7MB. Free memory was 79.2MB in the beginning and 79.2MB in the end (delta: 72.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-08 07:43:08,485 INFO L158 Benchmark]: CACSL2BoogieTranslator took 722.29ms. Allocated memory is still 100.7MB. Free memory was 60.8MB in the beginning and 59.6MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-08 07:43:08,485 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.82ms. Allocated memory is still 100.7MB. Free memory was 59.6MB in the beginning and 57.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-08 07:43:08,486 INFO L158 Benchmark]: Boogie Preprocessor took 41.13ms. Allocated memory is still 100.7MB. Free memory was 56.7MB in the beginning and 54.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-08 07:43:08,486 INFO L158 Benchmark]: RCFGBuilder took 1893.55ms. Allocated memory was 100.7MB in the beginning and 134.2MB in the end (delta: 33.6MB). Free memory was 54.1MB in the beginning and 50.5MB in the end (delta: 3.6MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. [2022-11-08 07:43:08,486 INFO L158 Benchmark]: TraceAbstraction took 19420.26ms. Allocated memory was 134.2MB in the beginning and 868.2MB in the end (delta: 734.0MB). Free memory was 50.5MB in the beginning and 554.0MB in the end (delta: -503.5MB). Peak memory consumption was 529.4MB. Max. memory is 16.1GB. [2022-11-08 07:43:08,487 INFO L158 Benchmark]: Witness Printer took 55.54ms. Allocated memory is still 868.2MB. Free memory was 554.0MB in the beginning and 549.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-08 07:43:08,488 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 100.7MB. Free memory was 79.2MB in the beginning and 79.2MB in the end (delta: 72.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 722.29ms. Allocated memory is still 100.7MB. Free memory was 60.8MB in the beginning and 59.6MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.82ms. Allocated memory is still 100.7MB. Free memory was 59.6MB in the beginning and 57.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.13ms. Allocated memory is still 100.7MB. Free memory was 56.7MB in the beginning and 54.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1893.55ms. Allocated memory was 100.7MB in the beginning and 134.2MB in the end (delta: 33.6MB). Free memory was 54.1MB in the beginning and 50.5MB in the end (delta: 3.6MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. * TraceAbstraction took 19420.26ms. Allocated memory was 134.2MB in the beginning and 868.2MB in the end (delta: 734.0MB). Free memory was 50.5MB in the beginning and 554.0MB in the end (delta: -503.5MB). Peak memory consumption was 529.4MB. Max. memory is 16.1GB. * Witness Printer took 55.54ms. Allocated memory is still 868.2MB. Free memory was 554.0MB in the beginning and 549.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 108349, positive: 92377, positive conditional: 89919, positive unconditional: 2458, negative: 15972, negative conditional: 15901, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 96740, positive: 92377, positive conditional: 89919, positive unconditional: 2458, negative: 4363, negative conditional: 4292, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 96740, positive: 92377, positive conditional: 89919, positive unconditional: 2458, negative: 4363, negative conditional: 4292, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 111530, positive: 92377, positive conditional: 2177, positive unconditional: 90200, negative: 19153, negative conditional: 12613, negative unconditional: 6540, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 111530, positive: 92377, positive conditional: 2177, positive unconditional: 90200, negative: 19153, negative conditional: 620, negative unconditional: 18533, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 111530, positive: 92377, positive conditional: 2177, positive unconditional: 90200, negative: 19153, negative conditional: 620, negative unconditional: 18533, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2548, positive: 2474, positive conditional: 10, positive unconditional: 2464, negative: 74, negative conditional: 3, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2548, positive: 2444, positive conditional: 0, positive unconditional: 2444, negative: 104, negative conditional: 0, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 104, positive: 30, positive conditional: 10, positive unconditional: 20, negative: 74, negative conditional: 3, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2584, positive: 136, positive conditional: 17, positive unconditional: 119, negative: 2448, negative conditional: 7, negative unconditional: 2441, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 111530, positive: 89903, positive conditional: 2167, positive unconditional: 87736, negative: 19079, negative conditional: 617, negative unconditional: 18462, unknown: 2548, unknown conditional: 13, unknown unconditional: 2535] , Statistics on independence cache: Total cache size (in pairs): 2548, Positive cache size: 2474, Positive conditional cache size: 10, Positive unconditional cache size: 2464, Negative cache size: 74, Negative conditional cache size: 3, Negative unconditional cache size: 71, Eliminated conditions: 11993, Maximal queried relation: 3, Independence queries for same thread: 11609 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 3.1s, Number of persistent set computation: 5120, Number of trivial persistent sets: 3575, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2529, positive: 2458, positive conditional: 0, positive unconditional: 2458, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 108349, positive: 92377, positive conditional: 89919, positive unconditional: 2458, negative: 15972, negative conditional: 15901, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 96740, positive: 92377, positive conditional: 89919, positive unconditional: 2458, negative: 4363, negative conditional: 4292, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 96740, positive: 92377, positive conditional: 89919, positive unconditional: 2458, negative: 4363, negative conditional: 4292, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 111530, positive: 92377, positive conditional: 2177, positive unconditional: 90200, negative: 19153, negative conditional: 12613, negative unconditional: 6540, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 111530, positive: 92377, positive conditional: 2177, positive unconditional: 90200, negative: 19153, negative conditional: 620, negative unconditional: 18533, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 111530, positive: 92377, positive conditional: 2177, positive unconditional: 90200, negative: 19153, negative conditional: 620, negative unconditional: 18533, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2548, positive: 2474, positive conditional: 10, positive unconditional: 2464, negative: 74, negative conditional: 3, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2548, positive: 2444, positive conditional: 0, positive unconditional: 2444, negative: 104, negative conditional: 0, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 104, positive: 30, positive conditional: 10, positive unconditional: 20, negative: 74, negative conditional: 3, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2584, positive: 136, positive conditional: 17, positive unconditional: 119, negative: 2448, negative conditional: 7, negative unconditional: 2441, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 111530, positive: 89903, positive conditional: 2167, positive unconditional: 87736, negative: 19079, negative conditional: 617, negative unconditional: 18462, unknown: 2548, unknown conditional: 13, unknown unconditional: 2535] , Statistics on independence cache: Total cache size (in pairs): 2548, Positive cache size: 2474, Positive conditional cache size: 10, Positive unconditional cache size: 2464, Negative cache size: 74, Negative conditional cache size: 3, Negative unconditional cache size: 71, Eliminated conditions: 11993, Maximal queried relation: 3, Independence queries for same thread: 11609 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 120644, positive: 103853, positive conditional: 101458, positive unconditional: 2395, negative: 16791, negative conditional: 16720, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 108619, positive: 103853, positive conditional: 101458, positive unconditional: 2395, negative: 4766, negative conditional: 4695, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 108619, positive: 103853, positive conditional: 101458, positive unconditional: 2395, negative: 4766, negative conditional: 4695, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 124557, positive: 103853, positive conditional: 2849, positive unconditional: 101004, negative: 20704, negative conditional: 13089, negative unconditional: 7615, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 124557, positive: 103853, positive conditional: 2849, positive unconditional: 101004, negative: 20704, negative conditional: 619, negative unconditional: 20085, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 124557, positive: 103853, positive conditional: 2849, positive unconditional: 101004, negative: 20704, negative conditional: 619, negative unconditional: 20085, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2493, positive: 2419, positive conditional: 18, positive unconditional: 2401, negative: 74, negative conditional: 3, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2493, positive: 2381, positive conditional: 0, positive unconditional: 2381, negative: 112, negative conditional: 0, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 112, positive: 38, positive conditional: 18, positive unconditional: 20, negative: 74, negative conditional: 3, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2274, positive: 169, positive conditional: 99, positive unconditional: 70, negative: 2105, negative conditional: 5, negative unconditional: 2100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 124557, positive: 101434, positive conditional: 2831, positive unconditional: 98603, negative: 20630, negative conditional: 616, negative unconditional: 20014, unknown: 2493, unknown conditional: 21, unknown unconditional: 2472] , Statistics on independence cache: Total cache size (in pairs): 2493, Positive cache size: 2419, Positive conditional cache size: 18, Positive unconditional cache size: 2401, Negative cache size: 74, Negative conditional cache size: 3, Negative unconditional cache size: 71, Eliminated conditions: 12470, Maximal queried relation: 3, Independence queries for same thread: 12025 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 2.4s, Number of persistent set computation: 4777, Number of trivial persistent sets: 3464, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2466, positive: 2395, positive conditional: 0, positive unconditional: 2395, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 120644, positive: 103853, positive conditional: 101458, positive unconditional: 2395, negative: 16791, negative conditional: 16720, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 108619, positive: 103853, positive conditional: 101458, positive unconditional: 2395, negative: 4766, negative conditional: 4695, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 108619, positive: 103853, positive conditional: 101458, positive unconditional: 2395, negative: 4766, negative conditional: 4695, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 124557, positive: 103853, positive conditional: 2849, positive unconditional: 101004, negative: 20704, negative conditional: 13089, negative unconditional: 7615, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 124557, positive: 103853, positive conditional: 2849, positive unconditional: 101004, negative: 20704, negative conditional: 619, negative unconditional: 20085, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 124557, positive: 103853, positive conditional: 2849, positive unconditional: 101004, negative: 20704, negative conditional: 619, negative unconditional: 20085, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2493, positive: 2419, positive conditional: 18, positive unconditional: 2401, negative: 74, negative conditional: 3, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2493, positive: 2381, positive conditional: 0, positive unconditional: 2381, negative: 112, negative conditional: 0, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 112, positive: 38, positive conditional: 18, positive unconditional: 20, negative: 74, negative conditional: 3, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2274, positive: 169, positive conditional: 99, positive unconditional: 70, negative: 2105, negative conditional: 5, negative unconditional: 2100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 124557, positive: 101434, positive conditional: 2831, positive unconditional: 98603, negative: 20630, negative conditional: 616, negative unconditional: 20014, unknown: 2493, unknown conditional: 21, unknown unconditional: 2472] , Statistics on independence cache: Total cache size (in pairs): 2493, Positive cache size: 2419, Positive conditional cache size: 18, Positive unconditional cache size: 2401, Negative cache size: 74, Negative conditional cache size: 3, Negative unconditional cache size: 71, Eliminated conditions: 12470, Maximal queried relation: 3, Independence queries for same thread: 12025 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3418, positive: 2763, positive conditional: 1659, positive unconditional: 1104, negative: 655, negative conditional: 614, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2898, positive: 2763, positive conditional: 1659, positive unconditional: 1104, negative: 135, negative conditional: 94, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2898, positive: 2763, positive conditional: 1659, positive unconditional: 1104, negative: 135, negative conditional: 94, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2898, positive: 2763, positive conditional: 0, positive unconditional: 2763, negative: 135, negative conditional: 0, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2898, positive: 2763, positive conditional: 0, positive unconditional: 2763, negative: 135, negative conditional: 0, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2898, positive: 2763, positive conditional: 0, positive unconditional: 2763, negative: 135, negative conditional: 0, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1147, positive: 1106, positive conditional: 0, positive unconditional: 1106, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1147, positive: 1094, positive conditional: 0, positive unconditional: 1094, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 53, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1588, positive: 57, positive conditional: 0, positive unconditional: 57, negative: 1531, negative conditional: 0, negative unconditional: 1531, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2898, positive: 1657, positive conditional: 0, positive unconditional: 1657, negative: 94, negative conditional: 0, negative unconditional: 94, unknown: 1147, unknown conditional: 0, unknown unconditional: 1147] , Statistics on independence cache: Total cache size (in pairs): 1147, Positive cache size: 1106, Positive conditional cache size: 0, Positive unconditional cache size: 1106, Negative cache size: 41, Negative conditional cache size: 0, Negative unconditional cache size: 41, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 520 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 1.6s, Number of persistent set computation: 403, Number of trivial persistent sets: 210, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1145, positive: 1104, positive conditional: 0, positive unconditional: 1104, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3418, positive: 2763, positive conditional: 1659, positive unconditional: 1104, negative: 655, negative conditional: 614, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2898, positive: 2763, positive conditional: 1659, positive unconditional: 1104, negative: 135, negative conditional: 94, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2898, positive: 2763, positive conditional: 1659, positive unconditional: 1104, negative: 135, negative conditional: 94, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2898, positive: 2763, positive conditional: 0, positive unconditional: 2763, negative: 135, negative conditional: 0, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2898, positive: 2763, positive conditional: 0, positive unconditional: 2763, negative: 135, negative conditional: 0, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2898, positive: 2763, positive conditional: 0, positive unconditional: 2763, negative: 135, negative conditional: 0, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1147, positive: 1106, positive conditional: 0, positive unconditional: 1106, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1147, positive: 1094, positive conditional: 0, positive unconditional: 1094, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 53, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1588, positive: 57, positive conditional: 0, positive unconditional: 57, negative: 1531, negative conditional: 0, negative unconditional: 1531, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2898, positive: 1657, positive conditional: 0, positive unconditional: 1657, negative: 94, negative conditional: 0, negative unconditional: 94, unknown: 1147, unknown conditional: 0, unknown unconditional: 1147] , Statistics on independence cache: Total cache size (in pairs): 1147, Positive cache size: 1106, Positive conditional cache size: 0, Positive unconditional cache size: 1106, Negative cache size: 41, Negative conditional cache size: 0, Negative unconditional cache size: 41, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 520 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 142085, positive: 124501, positive conditional: 121959, positive unconditional: 2542, negative: 17584, negative conditional: 17513, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 130192, positive: 124501, positive conditional: 121959, positive unconditional: 2542, negative: 5691, negative conditional: 5620, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 130192, positive: 124501, positive conditional: 121959, positive unconditional: 2542, negative: 5691, negative conditional: 5620, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 150642, positive: 124501, positive conditional: 408, positive unconditional: 124093, negative: 26141, negative conditional: 20042, negative unconditional: 6099, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 150642, positive: 124501, positive conditional: 408, positive unconditional: 124093, negative: 26141, negative conditional: 0, negative unconditional: 26141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 150642, positive: 124501, positive conditional: 408, positive unconditional: 124093, negative: 26141, negative conditional: 0, negative unconditional: 26141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2627, positive: 2556, positive conditional: 10, positive unconditional: 2546, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2627, positive: 2528, positive conditional: 0, positive unconditional: 2528, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 99, positive: 28, positive conditional: 10, positive unconditional: 18, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1916, positive: 106, positive conditional: 17, positive unconditional: 89, negative: 1788, negative conditional: 0, negative unconditional: 1788, unknown: 22, unknown conditional: 0, unknown unconditional: 22] ], Cache Queries: [ total: 150642, positive: 121945, positive conditional: 398, positive unconditional: 121547, negative: 26070, negative conditional: 0, negative unconditional: 26070, unknown: 2627, unknown conditional: 10, unknown unconditional: 2617] , Statistics on independence cache: Total cache size (in pairs): 2627, Positive cache size: 2556, Positive conditional cache size: 10, Positive unconditional cache size: 2546, Negative cache size: 71, Negative conditional cache size: 0, Negative unconditional cache size: 71, Eliminated conditions: 20042, Maximal queried relation: 4, Independence queries for same thread: 11893 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 2.4s, Number of persistent set computation: 8852, Number of trivial persistent sets: 8852, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2613, positive: 2542, positive conditional: 0, positive unconditional: 2542, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 142085, positive: 124501, positive conditional: 121959, positive unconditional: 2542, negative: 17584, negative conditional: 17513, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 130192, positive: 124501, positive conditional: 121959, positive unconditional: 2542, negative: 5691, negative conditional: 5620, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 130192, positive: 124501, positive conditional: 121959, positive unconditional: 2542, negative: 5691, negative conditional: 5620, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 150642, positive: 124501, positive conditional: 408, positive unconditional: 124093, negative: 26141, negative conditional: 20042, negative unconditional: 6099, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 150642, positive: 124501, positive conditional: 408, positive unconditional: 124093, negative: 26141, negative conditional: 0, negative unconditional: 26141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 150642, positive: 124501, positive conditional: 408, positive unconditional: 124093, negative: 26141, negative conditional: 0, negative unconditional: 26141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2627, positive: 2556, positive conditional: 10, positive unconditional: 2546, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2627, positive: 2528, positive conditional: 0, positive unconditional: 2528, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 99, positive: 28, positive conditional: 10, positive unconditional: 18, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1916, positive: 106, positive conditional: 17, positive unconditional: 89, negative: 1788, negative conditional: 0, negative unconditional: 1788, unknown: 22, unknown conditional: 0, unknown unconditional: 22] ], Cache Queries: [ total: 150642, positive: 121945, positive conditional: 398, positive unconditional: 121547, negative: 26070, negative conditional: 0, negative unconditional: 26070, unknown: 2627, unknown conditional: 10, unknown unconditional: 2617] , Statistics on independence cache: Total cache size (in pairs): 2627, Positive cache size: 2556, Positive conditional cache size: 10, Positive unconditional cache size: 2546, Negative cache size: 71, Negative conditional cache size: 0, Negative unconditional cache size: 71, Eliminated conditions: 20042, Maximal queried relation: 4, Independence queries for same thread: 11893 - PositiveResult [Line: 833]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 833]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 816]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 816]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 780]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 780]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P2Thread1of1ForFork1 with 1 thread instances CFG has 7 procedures, 167 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 6.9s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 5.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 256 NumberOfCodeBlocks, 256 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 253 ConstructedInterpolants, 0 QuantifiedInterpolants, 689 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P1Thread1of1ForFork0 with 1 thread instances CFG has 7 procedures, 167 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 4.9s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 4.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 269 NumberOfCodeBlocks, 269 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 266 ConstructedInterpolants, 0 QuantifiedInterpolants, 750 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 167 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 1.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P0Thread1of1ForFork2 with 1 thread instances CFG has 7 procedures, 167 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 5.6s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 4.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 515 NumberOfCodeBlocks, 515 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 510 ConstructedInterpolants, 0 QuantifiedInterpolants, 1130 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-08 07:43:08,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96129888-ce92-4b9e-8bc0-9bcad71cf426/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Ended with exit code 0 [2022-11-08 07:43:08,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96129888-ce92-4b9e-8bc0-9bcad71cf426/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Ended with exit code 0 [2022-11-08 07:43:08,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96129888-ce92-4b9e-8bc0-9bcad71cf426/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2022-11-08 07:43:09,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96129888-ce92-4b9e-8bc0-9bcad71cf426/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-11-08 07:43:09,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96129888-ce92-4b9e-8bc0-9bcad71cf426/bin/ugemcutter-QpsTfqS70U/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE